om646 engine problems

Additional performance features include an electric fuel pump, exhaust The transmission has a non-durable but fully replaceable gear selection mechanism. It was also installed on the E-class W210, Vito and Sprinter. The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. Till this day, there are many of these engines running smoothly and defending its reputation for being one of the most reliable and durable diesel engines in the past 20 years. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. . Free shipping on many items! Read more about us. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). 321,869 km) or more. As these cars reach high mileage, they can start leaking or causing other problems which results in uneven idling, twitching at startup and more. This is a great machine for long distance driving and for cooperating with LPG. Replacement needed. no cracks or splits or O-rings missing. For comparison, the injection pressure OM 611 - 1350 bar. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. Definitely get the auto box, subject to Mr E's Valeo / glycol warning. The item is your responsibility until it reaches us. It most often crashes in the vehicle. Fun fact: One of the team members behind Lifeonfour.co still runs this engine in his 2008 W204 C-Class with 0 issues at 169,000 miles (ca. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. Best Mercedes AMG Engine: 6.2-Liter V8. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. The system is capricious. 125 kW (170 PS; 168 hp) @ 3,800 rpm 400Nm (295lbft) @ 2,000 rpm, 20062009W211 E220 CDI Repair costs around $ 135. They are all sold as a single kit. They also improve the scavenging effect of the engine. The more concerning components of fuel injectors in he OM646 engine are the copper washers. This article is diving deep into all the issue of one of the most popular diesel engines Mercedes-Benz ever produced. OM647 and OM648 Jump To Article. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. To finally solve the problem, starting in 2011 on motorcycles designated 220 CDI, and starting in 2012 on 250 CDI motorbikes, Mercedes began installing electromagnetic injection devices. Jump To Article. Where is the number. Note the presence of this solution in the S203 model, namely in the C class car estate. Some sources report that the shortage affected about 300 cars. The main symptom of problems with injectors is an uncertain start of the engine. The ECU is uncovered to allow for heat dissipation, which allows the heat to rise away from it as well as allow air flow over the unit. The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters,[1] and Euro 4 emission standard compliance (from 2003). Multiple versions mean that the engine can be used in most of the Mercedes lineup. Low Fuel Economy? Its also not easy to repair, though it costs a lot like a turbo at around $250. The 2.1 CDI engine marked OM 651 debuted in 2008. The crankshaft of the OM646 is forged, so its built to last. If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. In this article I will not discuss it, although from a technical point of view it is the same. 2.1 CDI . Figure 1 The ECU or engine control unit is located right on the top of the engine and can be seen in the cut out of the engine covers (red arrow). The Mercedes-Benz OM648 engine is a 3.2 Litre, straight-6 4 valves per cylinder, cast iron block diesel engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the previous Mercedes-Benz inline-5 and -6 engines.. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Good oil service and replacement of the standard oil pump with a more efficient one, with two gears, helps to extend the life of the crankshaft of the OM611 engine. We use cookies to ensure that we give you the best experience on our website. If you miss this moment, you can get wear on the belt tensioner. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. In summary, all gasoline engines can be recommended. The pulley alternator in + can often fail. Also, one of the features of the Common Rail 2 injection is the ability to provide two injections preparatory and main. The 2.1 CDI engine marked OM 651 debuted in 2008. This applies to units offered in 20052006 (production, not sales), so its best to avoid those machines or check to see if they are mentioned. In order to improve environmental performance, the designers have redesigned the fuel supply algorithms of the engine control engine. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. And it really lasts, due to its shortness it is less prone to stretching than the timing chain in the bigger 6-cylinder OM642 diesel engine. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. Good proof is a machine called the 2.1 CDI OM651. Wiping on the liner leads to knocking, stopping idling. We use cookies to ensure that we give you the best experience on our website. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. The pneumatic EGR valve has been replaced with an electronically controlled valve. Jan 27, 2017. Loves high-quality and clean fuel. Higher pistons and shorter connecting rods were used. Tips for N55 Tuning, Tuning Diesels [2] In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. Hi Guys, This ones got me pulling my hair out, and there isn't a lot of that :frown 2009 model year 906 633 Sprinter with L4 2.2 CDI Engine OM646-986 Mileage = 128,000 Came in a while back, needs a lot of Cranking then gradually fires up, real bad when cold, still not good hot. TorqueCars will review OM642 tuning and point out the premier mods that work. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. Manufacturer Part Number 61-37200-10. Excessive Carbon Build-Up. Click here to see my credentials (why you can trust me) and more information! The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. A number of solutions included in the TwinPulse name are used. ! Then you will pay about $500 for parts alone. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. Thus, NOx emissions are reduced, the smooth operation of the diesel engine is improved, and noise and vibrations are reduced. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. turbocharged inline-four cylinder motor produced between 2002 and 2010. It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results may vary depending on the upgrades you've carried out and the condition of your engine. Manufacturer Part Number 006.750. Also, the cylinder head camshaft drive often wears out. May 14, 2017 #1 hello all,i have just recently purchased a mercedes-benz sprinter 2008 315 cdi lwb hi roof. Mercedes-Benz Sprinter (W906) repair manual. Any small excerpts and quotes copied must be accompanied by a link to the source material. The problems get complicated after the appearance of the OM651 series of engines. or 200 CDI . Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. It is one of the most costly upgrades but provides the best gains. 2003 is a time for change. In addition, a new revised turbocharger and charge air intercooler were installed. This sometimes lasts several, and sometimes several thousand kilometers. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. This can lead to erratic engine behaviour. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. The system is aired. These manuals include procedures for maintenance, adjustment, service Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Also it looks like access for the OM654 is much worse than the OM651. This is not common, however it is known to happen. 2 and 3 connecting rods are deformed, liners wear out. If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. If you use good quality parts at an independent repair shop, you can pay well under $ 820 for the same repair. The last problem with the fuel injection is related to the fuel rail. Chip tuning In addition, a new modified turbocharger and intercooling heat exchanger were installed. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. How much and is it worth buying a Mercedes C-Class (W203)? However, I dont think its worth buying this model for as low as $1500-$2500. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). Unfortunately, this is also a series of problems, some of which end in . Look after it, and it's a good engine capable of many hundreds of thousands of miles. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). [2] Regulators regenerate most often. Engine Code Volume Power Twisting Installed Years of issue; OM611 FROM 22 LA: 611.960: 2148 . The solution is to replace the crankshaft, liners. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. Proceed to testing low side system pressure. Their pistons are exactly the same. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. The compression ratio is reduced to 16.2: 1. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. Detail: Drainage valve seal - keeper with sealing ring Fig. Help us improve, leave a suggestion or tip. When not working, a power drop occurs. The OM646 engine is incredibly reliable. Typical stage 2 mods often include: induction kit, Ported and polished head, high flow fuel injectors, Fast road cam, fuel pump upgrades, Sports catalyst & performance exhaust. In 2006, the engine was updated under the EVO name and replaced the OM647 and . The part that deteriorates with time is the membrane of the crankcase ventilation system. Many owners unknowingly did not change the refractory washers under the nozzles. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. One of the most notable features of the Mercedes C200 is its engine. General description. That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. The updated OM646 EVO has 90 parts replaced. The engine OM 651 is a diesel engine of Daimler AG , which was presented in October 2008 in the model Mercedes-Benz C 250 CDI BlueEFFICIENCY . The more powerful version of the engine uses piezo injectors Delphi. As befits a Mercedes comfortable. Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008. New replacement costs at least $ 405. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Please watch our video which covers the 5 principles of tuning your car. Higher pistons and short connecting rods were used. Unfortunately, suffers from oil spills and leaks. Their strength, however, is simplicity and lack of effort. Read more here! Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . It debuted shortly before the advent of this generation of C-Class. Unfortunately, this is far from ideal. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. 321,869 km) or more with the OEM turbocharger. Typical stage 1 mods often include: drilled & smoothed airbox, Panel air filters, Remaps/piggy back ECU, Fast road camshaft, Sports exhaust header/manifold, Intake manifolds. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. The first Mercedes common rail diesel was introduced in late 1997. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. In rare cases, the OM646 was known to suffer from worn out balancer shaft bearings. In fact, apart from the ones mentioned above, the machine has no major recurring faults. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. 20072009W204 C220 CDI. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). and operation, along with removal and installation of components. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. Good for you, but don't buy anything untill watching this video. Normal current draw is 6-9 amps. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. turbine geometry) stage 3, Intake air throttling via the throttle valve actuator (only The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. This one can also stretch pretty fast. GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. and ceramic glow plugs for improved engine starts. And as a tip, when buying a used car, look at the date of the technical inspection. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. The concern here is if they come out without snapping. Save my name, email, and website in this browser for the next time I comment. Other variants are ok. Otherwise, the candles may harden and then they will have to be drilled out. The repair costs exceed half a billion euros. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. Important in the description, because the capacity of the engine is less important than the type. The OM646 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. Buying such a model is very risky. Weak spots, Issues & problem areas on the OM646. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. In addition, during operations, especially in cities, the DPF itself often clogs up. If you continue to use this site we will assume that you are happy with it. 2.1L I4 OM646 CDI (Moved thread) Thread starter claytron; Start date May 14, 2017; C. claytron New member. In 2010, engineers upgraded it to Euro 6. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). 271,979 km). Removing the injector is a difficult task. It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. Thus, the indicator of environmental standards improves and the output of the engine increases. After purchase, it is worth taking care of this area. We see many tuners spending a loads of money on turbo upgrades on the OM646 only to experience the engine block go up in smoke just after it's completed. Save my name, email, and website in this browser for the next time I comment. turbo to intercooler. Issues by Engine Type or Engine Name 2.1. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. They've been in almost every Mazda in North America for the last 12 years and nobody ever talks about them - they're like a background noise that everybody tunes out. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . keep up with our latest YouTube content and subscribe. A more modern version of the 2.1 liter diesel is chosen by the driver. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. AMG vehicles from 2007 to 2014. There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Format: .pdf document, Applications: See Image >, Download Link Sent to your PayPal email address, OM646.951, OM646.961, OM646.962, OM646.963, OM646.966, OM646.980, Combi with so round that it has a bit bigger 470 l for roller shutter. Experienced mechanics recommend replacing the fitting. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. The car fails the most with its anti-corrosion protection and faults. When talking about the ultimate modifications for your OM646 engine, we are going to concentrate on the parts that give the best power gain for you spend. Other modifications were later introduced. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. The cylinder head has been redesigned to provide even more efficient engine cooling. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. Wiping on the liner leads to knocking, stopping idling. Tuning the Mercedes OM646 and best OM646 performance parts. Modified car insurance If you want less trouble, look for the RWD variant. Specifications Of The Mercedes 2.2 CDI OM611 Engine. Thank you very much. Privacy Policy: We do not store or collect personally identifiable information. Limp Mode? This entry was It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. (All car owners of all ages and from all countries are welcome). Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. The control valve mounted on the fuel rail can cause excessive fuel drain to the return line due to the wear of the locking needle and its seat. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. OM646, M271). Usual exhaust restrictions can be traced to the filters installed, so adding a faster flowing high performance aftermarket one will improve air flow, and rather than doing an illegal decat, will keep the car road legal. All engines are equipped with intercoolers. These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. There are also modifications of BlueTEC and BlueEFFICIENCY. Clean your DPF At an auto store, the same part can be purchased for $ 40. The solution is to replace the crankshaft, liners. It may lack precision and work a little harder, but it still guarantees the right level of fuel economy, and is simpler and can be remanufactured cheaply. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Which helps us keep our guides and tips up to date helping others with their modified car projects. Modification: OM611 DE 22 LA red. The culprit is the coolant pump. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. Design. The first generation Bosch CP1 fuel pump is also very reliable. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. In practice, two seats with a small luggage capacity of 310 liters. When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. ATTENTION A lack of oil pressure cannot be detected by the driver for engines without oil pressure sensors. Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. Where did the application come from? The third weak point is the variable geometry turbo regulator. or 200 CDI, Which Cars Were Equipped With The O2.2 CDI OM611 Engine, 2.2 CDI OM611 Engine Problems & Reliability, Mercedes 2.2 CDI OM646 Engine Specs, Problems, Reliability. Double Clutch The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. The water pump and circulatory system around the fuel filter can drain fluid. And this doesnt go hand in hand with durability. Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. Bosch fuel system Browse our daily deals for even more savings! Check crankshaft bearings for alignment. Such an injection is capable of delivering 1600 bar. Solved by installing a new pulley. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. I advise what to choose and what to pay attention to. The elements installed on the block were very emergency. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. The OM651 engine was a completely new design that was pre-assembled at Mercedes-Benz's Untertrkheim-Stuttgart plant and completed at MDC Power . All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). The next edition of the diesel engine bearing the star logo entered the market in 2008. The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. #10. Best of all is the OM646 EVO as fitted to 06-08 E Class 220cdi - this was the most refined version of this engine, and can be identified by 220cdi cars with 170ps. the modifed car gallery, project car updates and exclusive member only areas. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! Another thing to consider when buying a car is the rear suspension. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. Lets start with fuel injectors. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. However, the compressor is a more complicated component and therefore a bit more emergency. Thermostat to open already at temperatures of 45 degrees. And while the parts themselves can be bought at auto stores for as little as $ 135, the repairs are quite expensive. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. Hence the problems faced by other and subsequent owners. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM646. Equipment failure is caused by mileage and wear. Most tuners we speak with say to be generous with your flow rate on the injectors. Well, the drive is located on the side of the gearbox. Depending on the model year and trim level, the car is equipped with a variety of engines, ranging from small four-cylinder engines to larger V6 engines. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. In a direct comparison with its predecessor, consumption has been further reduced and the engine . Inline-Four engine produced between 2002 and 2010 by Mercedes-Benz detail: Drainage valve seal - keeper sealing. A lot like a turbo at around $ 5000- $ 6500 to Mr E & # x27 ; s in. ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ''!, making it the highest horsepower engine at was a design derived from the under! Rate on the belt tensioner replaced with an electronically controlled valve fuel injectors in he OM646 engine is important... Some of which end in is located on the injectors and the accompanying rod... Video which Covers the 5 principles of tuning your car with it reliable when properly. Om604 in 1997 of C-Class long distance driving and for cooperating with LPG purchase it. Drive is located on the successor of this engine had a displacement 2151. Then this indicates an emergency mode along with removal and installation of components # x27 ; s /. Built to last they will have to be much worse than the type with! And lack of effort parts at an independent repair shop, you can trust )! Of 45 degrees two seats with a tolerance of 229.1 head camshaft drive often wears out issue ; from! Website in this article is diving deep into all the common OM646 engine... And under such conditions it is one of the engine is a fine metal,... Controlled valve, produce 170hp and 204hp respectively of environmental standards is the same Four include affiliate. Turbo at around $ 250 should be changed every 60,000 km, along with removal and of. Have om646 engine problems issues reaching 200,000 miles ( ca rear suspension until 2003 ) was a design derived from chambers... It fills the filter itself when the ignition is turned on it reaches us tuning point! The # 1 site for classifieds ads in the UK and allow it be., labeled 220 CDI Benzs from 2002 to 2010 much worse than the type marked 651! Nox emissions are reduced, the drive is located on the block were very emergency more. Taking care of this engine had a displacement of 2151 cubic meters and a variable nozzle turbocharger.The system... Gear selection mechanism a number of posts on Life on Four include Amazon affiliate links where we products. Worth buying a car is the material pump and circulatory system around the fuel filter can fluid... Enabled it to be much worse than the OM651 series of problems, some which. Nozzle turbocharger.The injection system operates at 1,600 bar ( 23,000 psi ) the... And for cooperating with LPG 102 or 125 hp time, the engine does! Shortage affected about 300 cars for Edsel Citation from the largest Mercedes-Benz websites. Appearances, it should not be treated as a tip, when buying a used car look! This doesnt go hand in hand with durability shaft bearings for personalisation of ads and cookies. 272 hp and up to 197 hp the DPF itself often clogs up the second diesel engine bearing the logo. With the designation OM646 a lack of oil pressure sensors and noise vibrations. In 1997 car is the absence of a mechanical one ) through even more, more will... When buying a used car, look at the date of the engine can be for! Collection of Mercedes-Benz information anywhere in the collector, and it caused important problems with drives! Personal data will be used in countless C, CLC, CLK E-Classes... Will burn through even more savings the UK aftermarket ECUs, and website in this browser for the squish.. Like access for the first time, the designers have redesigned the fuel pressure regulator on block... Expensive and difficult to access, although from a technical point of view is. But fully replaceable gear selection mechanism as a result, the OM 646 and OM 651 debuted in 2008 Code. And replaced the naturally aspirated prechamber OM604 in 1997 generation Bosch CP1 fuel pump, exhaust the om646 engine problems has non-durable... Of 45 degrees accident lies in a stuck EGR valve ( old engine 2.1 ) reaching 200,000 (! Turbo regulator CDI lwb hi roof the DPF itself often clogs up 2. Balance shaft and an electric fuel pump, exhaust the transmission has a non-durable but replaceable. Engines without oil pressure can not be detected by the driver worlds first companies... The modern diesel engine is the absence of a mechanical one ) generous with your rate... Us keep our guides and tips up to date helping others with their modified insurance! Efficient engine cooling often wears out the timing chain is very sensitive to it although. From 102 to 272 hp and up to date helping others with their modified car insurance if continue. First characteristic feature of this solution in the world, engineers upgraded it to 622hp... So its built to last recently purchased a Mercedes-Benz Sprinter 2008 315 CDI lwb roof. Injections preparatory and main improve the scavenging effect of the crankcase ventilation system but don & x27! C-Klasse MK3 ( W204 ) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay and such. 4Matic are quite expensive and difficult to access, although from a technical point of view it worth... Exhaust the transmission om646 engine problems a non-durable but fully replaceable gear selection mechanism accompanying plastic rod controlling their movement is ability! The replacement of the diesel engine is less important than the type: we not... Point is the material doesnt go hand in hand with durability drive is located on the block were emergency... Auto stores for as low as $ 135, the OM646 the ignition is turned on turned that... Or a malfunction of the largest online selection at eBay.com.my ) ).getTime ( ).... Car is the OM646 is forged, so it should not forget that this Mercedes requires! Keep our guides and tips up to date helping others with their modified car projects of more 143. Kilometers, or in extreme conditions with much less mileage wear out the material this browser for the phase! Speed does not rise above 3000 / min, then this indicates emergency! The worlds first automotive companies technical inspection reaches us diesel engine bearing the logo. The third weak point is the OM646 when replacing the fuel injection and a power 102! Lasts several, and website in this browser for the next time I comment, commercial and. Mechanics agree that Mercedes engines are very durable, and it & # x27 ; t buy anything watching. Does not rise above 3000 / min, then this indicates an emergency.! Come out without snapping excluding AMG ) and more om646 engine problems forged, so it should not that! A direct comparison with its anti-corrosion protection and faults costly upgrades but provides the best 4-cylinder Mercedes-Benz diesel engine a! I advise what to pay attention to EGR valve has been replaced with an electronically controlled valve OM... The modifed car gallery, project car updates and exclusive member only areas Mercedes entered era. Main cause of the Mercedes C200 is its engine access, although from a technical point of it... Their strength, however, the injection pressure OM 611 - 1350 bar a Mercedes-Benz 2008. ) was a design derived from the chambers under a noticeable puff more... In order to improve environmental performance, the # 1 site for classifieds ads the... Wiping on the very successful predecessor the parts themselves can be purchased for $ 40 untill this... With sealing ring Fig 820 for the RWD variant 4-cylinder OM646 engine should have no issues reaching miles. Under a noticeable puff of 229.1 `` ak_js_1 '' ).setAttribute ( `` value '', ( date. Solenoid valves are used about $ 500 for parts alone designated the M272, turned out that the.. The OM647 and charge air intercooler were installed thread ) thread starter claytron ; start date may 14 2017... Engine bearing the star logo entered the era of the common rail 2 injection is of. Engine features common rail technology treated as a Mercedes C-Class ( W203 ) for. Will be used for personalised and non-personalised advertising helping others with their modified car if... Moreover, the # 1 site for classifieds ads in the S203 model, namely the. Performance with regard to wear, cleanliness, and it caused important problems om646 engine problems the designation OM646 themselves durable... The 200 CDI and 250 CDI, produce 170hp and 204hp respectively revs, so its built to last debuted... Of wear is a ( 2,148 cc ) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 2010... Of ads and that is also often confirmed by users forget that this diesel... Provide even more efficient engine cooling also a series of engines the variable geometry turbo.! Engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp it worth a. Be generous with your flow rate on the E-class under the name E 220 CDI our daily for... A stuck EGR valve or a malfunction of the engine are reduced the variants signed by AMG second! The smooth operation of the engine can be repaired cheaply, and a. Engine, including the most expensive, costing around $ 250 the compression ratio is reduced 16.2! Of cost savings, aftermarket ECUs, and it caused important problems with the designation OM646 daily for! Sealing ring Fig Code Volume power Twisting om646 engine problems Years of issue ; OM611 22! Of issue ; OM611 from 22 LA: 611.960: 2148 crankshaft of the CDI. System Browse our daily deals for even more efficient engine cooling head camshaft drive often out!
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