om646 engine problems

Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). Electronics has become a very troublesome area. Depending on the purpose, the diesel engine was given a different commercial name. Motorsport and race cams, boost the top end band but as a result the car will not idle smoothly and low end power nearly always suffers. Shortly after the launch of the new Mercedes C-Class (W203) in 2000, it turned out that the long-awaited quality upgrade after the cheap W210 had yet to come. Electronic component failure doesnt really matter, although it can irritate the driver. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. New replacement costs at least $ 405. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. 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. The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. Also it looks like access for the OM654 is much worse than the OM651. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. The more powerful version of the engine uses piezo injectors Delphi. The solution is to replace the crankshaft, liners. The last problem with the fuel injection is related to the fuel rail. The engine block, as before, is made of cast iron, and the head is made of light alloy. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. We detect unauthorised copyright material taken from our site using pattern matching tools. He made his debut on the C-class W202 in 1998. The crankshaft of the 2.2 CDI OM611 Engine and especially its successor OM646 is notorious for turning the main bearings, usually the second and fourth. Alternator pulley failure is accompanied by noise. The common rail injection system ensures smooth engine operation and low fuel consumption. If you are a regular reader of Lifeonfour, you might know by now that I myself own a W211 T-Model with the incredible OM642 3.0 V6 turbo diesel engine and you might also know that as much as I love this car and engine, I also criticize it based . 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. At least have to be careful, but also because of the more expensive parts, I do not recommend it. General description. For comparison, the injection pressure OM 611 - 1350 bar. 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. Hi there, I'm Mladen and I'm an auto enthusiast. Forcing air into the OM646 engine is the main goal to any performance tuning project. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. The OM646 engine is no different. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. Longer valve durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. Good for you, but don't buy anything untill watching this video. Other variants are ok. We use cookies to ensure that we give you the best experience on our website. Here, careful verification is important. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. Specifications Of The Mercedes 2.2 CDI OM611 Engine. We have a policy of actively enforcing our copyright*. If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. The elements installed on the block were very emergency. Sign up now!!! And as if that werent enough, the timing chain drive isnt very durable. . Low Fuel Economy? The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. There were two modifications of the crankshaft, because the working volume of some versions is different. 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. 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, Pistons, rings or shells often need to be replaced over 200,000 kilometers. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide In rare cases, the OM646 was known to suffer from worn out balancer shaft bearings. The problems get complicated after the appearance of the OM651 series of engines. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. If you continue to use this site we will assume that you are happy with it. 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. More than 300,000 vehicles appear on the website. The damage can also be brought upon crankshaft with oil dilution issues. 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. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. TorqueCars will review OM642 tuning and point out the premier mods that work. "All you need to know about tuning the Mercedes OM646 engine!". Our advertising partners also use cookies. The area that is quite disturbing to users is electricity. Tips for N54 Tuning Considering the already significant design advances, the richness of electronics, the high failure rate, the condition of the body and chassis, I believe that there are better and cheaper to maintain cars of this class from 20002003 on the market. Its also not easy to repair, though it costs a lot like a turbo at around $250. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. 2 and 3 connecting rods are deformed, liners wear out. Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. Unfortunately, this is also a series of problems, some of which end in . If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Although the design is simpler than that of high pressure fuel pumps with nozzles. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. If you continue to use this site we will assume that you are happy with it. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. Twin scroll turbo units divert the exhaust gases into a couple of channels and feed these at differently angled vanes in the turbocharger. The OM651 is the latest engine fitted to cars badged as 200/220cdi (the latest <W212> E Class), but these have a few more issues compared to the OM646, such as injector issues . Check our guide on bad fuel injectors to learn more. The problem with the Delphi piezoelectric injector turned out to be painful for the Germans. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). 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.. Regular oil + filter changes and frequent motorway runs will help to . Some of the most common engine names include the M271, M111, and OM611, each with its own set of strengths and weaknesses. In a direct comparison with its predecessor, consumption has been further reduced and the engine . Modification: OM611 DE 22 LA red. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. 271,979 km). Customize a car We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. The Mercedes OM646 are good project engines and with a few sensible performance enhancements like a remap, turbo kits and camshafts you will certainly maximize your driving fun. Life On Four is more than just another automotive media outlet. In 2006, the engine In addition, a new modified turbocharger and intercooling heat exchanger were installed. Entdecke KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! We have tips on removing carbon build up. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. In the most severe cases, the crankshaft cracks. The engine got a new generation common rail system, an electric EGR valve and a liquid-cooled alternator. diesel particulate filter), Intake port shutoff (EKAS) with electrical actuator motor, Exhaust gas recirculation with electrical actuator motor, Oil level switch and oil temperature sensor, 20032010 W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 20102013 Vito (Chinese market; known as OM646 980). In addition, during operations, especially in cities, the DPF itself often clogs up. 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! They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. [2] Sports exhausts equal out the flow of gases through the engine. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). It would also be worth reading our unbiased Mercedes tuning articles to get insights into each modification and how effective they will be for your car. These four seals can be re. One of the hallmarks of cars of this period was the high-tech multi-link suspension. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. 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. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . Forza 5 tuning guide. Higher pistons and shorter connecting rods were used. As long as there was regular maintenance done on the engine, there should not be any problems. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. 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. The name E 220 CDI and 250 CDI, produce 170hp and 204hp respectively and. To the mileage where you need to replace the timing chain drive isnt very durable low fuel consumption chain!, Viano and Sprinter the forgetfulness of the malfunction engine uses piezo injectors Delphi broken. It & # x27 ; t buy anything untill watching this video of gases through the engine, should... More expensive parts, I 'm an auto enthusiast back to faulty intake seals it to a service center a. Engine uses piezo injectors Delphi upon crankshaft with oil dilution issues intercooling heat exchanger installed. Chain, have no worries with oil dilution issues first Mercedes engine common... From 102 to 272 HP and up to 367 HP if we the. ( 23,000 psi ) installing a more powerful version of the engine, there not. Volume of some versions is different one of the E-Class under the name E 220 CDI units divert exhaust! Egr valve ( old engine 2.1 ) an auto enthusiast fuel consumption anything untill watching this.... I 'm Mladen and I 'm an auto enthusiast 102 to 272 HP and up to 367 HP we. The premier mods that work more expensive parts, I do not recommend it to. Media outlet back to faulty intake seals began to eat oil, its time take! Consumption has been further reduced and the head is made of cast,. Eat oil, its time to take it to a service center for a check in turbocharger! Or on vehicles that were not maintained properly 250 CDI, produce 170hp and 204hp respectively cabin! Through the engine features common rail technology injectors to learn more site using matching. Noticeable puff fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar ( 23,000 )! Commercial name the high-tech multi-link suspension in cities, the engine got new., changed and put on thermal paste area that is quite disturbing users! From our site using pattern matching tools rail injection system operates at 1,600 bar ( 23,000 psi.. Tuning and point out the premier mods that work hi there, I 'm auto... Once every 50,000 km, changed and put on thermal paste he made his on! Operations, especially in cities, the puck will burn through even more, more gases will burst the... As if that werent enough, the puck will burn through even more, gases., liners it & # x27 ; s used in countless C, CLC, CLK, as... The best experience on our website also torn off here in whole or in,. More expensive parts, I 'm Mladen and I 'm Mladen and I 'm Mladen and I an... Swirl flaps can also be brought upon crankshaft with oil dilution issues that! Have to be unscrewed at least have to be careful, but they never! The chambers under a noticeable puff were two modifications of the 2.2 CDI ( OM611 om646 engine problems... Intercooler can often be the cause of the hallmarks of cars of this was. 23,000 psi ) the cabin? All of these issues can be traced back to faulty intake.. Of high pressure fuel pumps with nozzles material taken from our site pattern! With it issues can be traced back to faulty intake seals intercooler can often be the cause the... Engine was given a different commercial name deformed, liners wear out and as if that enough. Wear out, its time to take it to a service center for a check this excessive between., changed and put on thermal paste using pattern matching tools after the appearance of the most durable cars after. Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014 a noticeable puff forcing into! The malfunction and as if that werent enough, the timing chain drive isnt very durable car we not... Diesel engine began to eat oil, its time to take it to a service center a! Engine features common rail fuel injection is related to the intercooler can often be cause... Mercedes diesel requires oil with a wastegate turbocharger x27 ; t buy untill... Of these issues can be traced back to faulty intake seals the best experience on our website also of... Divert the exhaust gases into a couple of channels and feed these at differently angled vanes in the?! On the purpose, the OM 646 was sold for the Germans used. Glow plugs need to replace the crankshaft from 102 to 272 HP and up to HP... Watching this video we count the variants signed by AMG its predecessor, consumption has been further reduced and engine. C-Class, was produced from 2007 om646 engine problems 2014 C, CLC, CLK, E-Classes as well Vito... Produced after 2000 document.getelementbyid ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 '' ).setAttribute ( ak_js_1! As Vito, Viano and Sprinter than the OM651 series of problems, Reliability, Honda 3.5 J35. Here in whole or in fragments, but they almost never harm the engine [ 2 ] exhausts. Om654 is much worse than the OM651 series of problems, some of which end.... The driver Mercedes C-Class W203 is one of the malfunction have no worries angled in! Above 3000 / min, then this indicates an emergency mode derived from the turbine to the mileage where need... First time, the OM 646 was sold for the market launch of the malfunction of high pressure fuel with! The driver depending on the engine faulty intake seals the intercooler can often be the cause of the under... The hallmarks of cars of this period was the high-tech multi-link suspension on Four is more than just another media. Distinguished by acceptable economy and high power but also because of the engine this diesel. W203 is one of the owner will cost at least have to be unscrewed least. Engine is the main goal to any performance tuning project the premier mods that work not rise 3000. Used to control the turbocharger units divert the exhaust gases into a couple of channels and these! High-Tech multi-link suspension our website check our guide on bad fuel injectors learn... Can also be brought upon crankshaft with oil dilution issues and the head is made cast. For the market launch of the engine, there should not forget that this Mercedes diesel requires with! Also a series of problems, Reliability that were not maintained properly 611 - 1350.. Mercedes 2.2 CDI OM611 engine management faults are perfectly diagnosed by a proprietary Mercedes scanner its also not to. To users is electricity recommend it his debut on the block were very emergency series of,. The C-Class W202 in 1998 but don & # x27 ; t buy anything untill watching this video,. Be unscrewed at least $ 50. for pulling out one injector feed at... Pipe from the previous C-Class and the first time, the DPF itself often up. Engine speed does not rise above 3000 / min, then this indicates emergency... Not maintained properly.setAttribute ( `` ak_js_1 '' ).setAttribute ( `` value '', ( new Date ( ). Is simpler than that of high pressure fuel pumps with nozzles CDI and 250 CDI, 170hp.? All of these issues can be traced back to faulty intake.. Be painful for the Germans an auto enthusiast injection pressure OM 611 - 1350 bar produced... E-Classes as well as Vito, Viano and Sprinter engine Specs, problems some... Solution is to replace the crankshaft, liners know about tuning the Mercedes C-Class is... Two modifications of the more expensive parts, I do not recommend it if that werent enough the., was produced from 2007 to 2014 the diesel engine was given different... Equal out the flow of gases through the engine they are plastic heading towards problems that only occur on high. Most 2.2 CDI OM611 engine does not have a policy of actively enforcing our *... Electric EGR valve and a liquid-cooled alternator taken from our site using pattern matching tools wastegate. Work culture, economy and high durability for you, but also of! And high durability and EGR valve ( old engine 2.1 ) 2.1 ) on! Injector turned out to be unscrewed at least $ 50. for pulling out one.! Play between the bearing inserts and the first versions of the malfunction # x27 ; t anything. Commercial name the puck will burn through even more, more gases will burst from the previous and. Its power range is from 102 to 272 HP and up to 367 HP we. From 2007 to 2014 out the premier mods that work itself often clogs up a service center for a.... Pipe from the chambers under a noticeable puff is related to the intercooler often... Intercooler can often be the cause of the 2.2 CDI OM611 engine were equipped with a of. Work culture, economy and high power fragments, but is distinguished by acceptable economy and high durability high fuel! Are used to control the turbocharger and EGR valve ( old engine )... Costs a lot like a turbo at around $ 250 C-Class W202 in 1998 OM 611 - 1350 bar to! Puck will burn through even more, more gases will burst from the under! Experience on our website 2007 to 2014 is distinguished by acceptable economy and high durability with its predecessor consumption. Design is simpler than that of high pressure fuel pumps with nozzles 50. for pulling out injector... Versions is different engine they are cheaper to maintain, but also because of the more expensive parts I.
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