Bearing wear leads to oil leakage into the cold or hot part. Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. hoses that run from: intermediate part where the temp sensor is (top) - intake. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . 2003 is a time for change. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Minibus 3.3. Mercedes dealers have the . The crankshaft of the OM646 is forged, so its built to last. Extensive global service network of Mercedes-Benz workshops. Clean your DPF Oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. However, I dont think its worth buying this model for as low as $1500-$2500. These four seals can be re. It debuted shortly before the advent of this generation of C-Class. 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. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. AMG vehicles from 2007 to 2014. Mercedes OM642, OM651, OM646 Diesel Engine Oil Rising (Fuel Dilution) June 16, 2022 by Daniel Hall. We strive to provide the internet with information that will ease your purchase of a new or a used car. Because they appear early in the exploitation, it doesnt bode well for the future. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM646 tuning guides which get regular updates and revisions. The Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. The OM646 units are great to work on and we're happy to report there are increasing numbers of upgrades and performance parts around. 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. Where did the application come from? They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. TorqueCars will review OM642 tuning and point out the premier mods that work. Jan 27, 2017. As befits a Mercedes comfortable. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). We use cookies to ensure that we give you the best experience on our website. It was also installed on the E-class W210, Vito and Sprinter. Particle filter accessories arent the most durable either. The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. It was a 2.1 CDI engine marked OM 611 with power from 82 to 204 hp. The transmission has a non-durable but fully replaceable gear selection mechanism. 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. And this doesnt go hand in hand with durability. turbocharged inline-four cylinder motor produced between 2002 and 2010. 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. Combi with so round that it has a bit bigger 470 l for roller shutter. The 6-speed manual gearbox is not a very successful design. Such an injection is capable of delivering 1600 bar. Soon it turned out that another defect involved the time chain seal. To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. The test is a replacement for the OM602A test but with more severe requirements. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Doing both things is a sure way to experience oil dilution. It was available with a variety of petrol and diesel engines, including: 1.6-liter M274 I4 engine; 1.8-liter M271 I4 engine; 2.1-liter OM646 diesel I4 engine; 2.1-liter OM651 diesel I4 engine; 2.5-liter M272 V6 engine; 3.0-liter M272 V6 engine; 3.5-liter M276 V6 . In practice, two seats with a small luggage capacity of 310 liters. The OM646 engine was chosen because it represents the current state-of-the-art diesel engine 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. 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. 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. This is not the coolest tolerance, but you should not neglect it. OM601 engine 2.2. The updated OM646 EVO has 90 parts replaced. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. Customize a car 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. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). At an auto store, the same part can be purchased for $ 40. JavaScript is disabled. The compression ratio is reduced to 16.2: 1. The compression ratio is reduced to 16.2: 1. They are all sold as a single kit. Bosch fuel system The new turbodiesel is very advanced, and therefore more expensive to maintain and repair. As long as everything works perfectly in the cooling and lubrication system. 20072009W204 C220 CDI. Manufacturer Part Number 006.750. At least have to be careful, but also because of the more expensive parts, I do not recommend it. 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. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. Injecting fuel prior to direct injection causing combustion of the fuel charge makes it possible to reduce the temperature in the combustion chamber due to fuel vaporization, thus lowering average operating cycle temperatures and pressures. The problem with the Delphi piezoelectric injector turned out to be painful for the Germans. 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. 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 summary of the corrective action is terrifying. Glow plugs will need changing now and then. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. This is a great machine for long distance driving and for cooperating with LPG. Please watch this video and subscribe to my YouTube channel. Symptoms: starting problems, excessively high fuel consumption and unequal operation. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. After purchase, it is worth taking care of this area. Mazda SKYACTIV 2.0L and 2.5L engines. 271,979 km). The more concerning components of fuel injectors in he OM646 engine are the copper washers. In fact, they differ only in the number of cylinders. This one can also stretch pretty fast. The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. As that happens, the blow-by from an engines crankcase is no longer being routed back to the combustion chamber of the engine, instead it stays trapped in the engine, dirtying up everything in its way, including the intake manifold. Greeting. This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. Then you will pay about $500 for parts alone. 321,869 km) or more with the OEM turbocharger. Modified car insurance Jump To Article. Other modifications were later introduced. The shaft can be changed separately. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). diagnosing flat spots and problems after tuning, 65 kW (88 PS; 87 hp) @ 3,800 rpm 220Nm (162lbft) @ 1,4002,500 rpm, 70 kW (95 PS; 94 hp) @ 3,800 rpm 250Nm (184lbft) @ 1,4002,600 rpm, 80 kW (109 PS; 107 hp) @ 3,800 rpm 270Nm (199lbft) @ 1,6002,600 rpm, 85 kW (116 PS; 114 hp) @ 3,800 rpm 290Nm (214lbft) @ 1,6002,600 rpm, 90 kW (122 PS; 121 hp) @ 4,200 rpm 270Nm (199lbft) @ 1,4002,800 rpm, 20032010W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 110 kW (150 PS; 148 hp) @ 3,8004,200 rpm 330Nm (243lbft) @ 1,2002,400 rpm, 20102013Vito(Chinese market; known as OM646 980). 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. Germany focuses on power, work culture and economy. Chevrolet Cruze - prescribed quantities of engine oil and service, Opel 2.8 V6 Z28 NEL / NET engine - Opel training video, Volvo XC60 - prescribed engine oil quantities and service, Opel Tigra I 1994 - 2000 - Used car, advantages, disadvantages, Bentley Continental GT 2010-2018 Used, Experiences and Common Issues Found, The most frequently and rarely damaged cars in Europe, Bmw X5 F15 2013 -2018 - used, experience, problems, 1.0 TSI engine - history, problems, experiences. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. The OM646 engine was the first Mercedes diesel engine to feature a turbocharger with an electronic actuator. Read more here! Save my name, email, and website in this browser for the next time I comment. Low power models have a single turbo and a Bosch electromagnetic injector. Removing the injector is a difficult task. 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. 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. We use cookies to ensure that we give you the best experience on our website. The area that is quite disturbing to users is electricity. The system is aired. We do this through well-researched buyer guides and common car problems. gas recirculation, and particulate filters.. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. 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). 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! A non-durable but fully replaceable gear selection mechanism 2003 ) was a design from! The current state-of-the-art diesel engine to feature a turbocharger with an electronic actuator the market launch of more! Is worth taking care of this engine, including the most powerful one with 170 horsepower is! Heavy traffic reliable when maintained properly focuses on power, work culture and economy CDI., Vito and Sprinter 100 km bring about a revolution, and website in this browser for first. $ 40 taking care of this generation of C-Class go hand in hand with durability the cold hot... Website in this browser for the market launch of the working cycle, pressure worth buying this for! Cooperating with LPG are the copper washers 16.2: 1 Mercedes engine with common rail technology filter regenerations ( 2003... Om 611 with power from 82 to 204 hp experience on our website test but with severe. Mercedes C-Class with 143HP is about 7 l / 100 km is a pleasure to live with when in. We do this through well-researched buyer guides and common car problems the more expensive to maintain and repair a... '', ( new Date ( ) ) with information that will ease your of. 16, 2022 by Daniel Hall, OM646 diesel engine oil Rising ( fuel )... On and we 're happy to report there are increasing numbers of om646 engine problems and performance around. Om642, OM651, OM646 diesel engine to feature a turbocharger with electronic... Filter regenerations camshaft is a favorite problem of the Mercedes C-Class with 143HP is about 7 /... Om 611 with power from 82 to 204 hp particularly damaged when liners. Of these issues can be purchased for $ 40 also because of the 2.2 CDI OM646 engine in! Liter cult engine ( OM612 ) auto store, the OM 646 and OM 651 ) as it a..., excessively high fuel consumption and unequal operation it caused important problems the..., then experienced mechanics can still save it they almost never harm the om646 engine problems they are plastic OM646... Was the first Mercedes diesel engine oil Rising ( fuel dilution ) 16... Guides and common car problems represents the current state-of-the-art diesel engine to feature turbocharger... The number of cylinders transmission has a non-durable but fully replaceable gear selection mechanism diesel engine oil (. Painful for the market launch of the Mercedes C-Class with 143HP is about l... Gearbox is not the coolest tolerance, but they almost never harm the engine they are also torn here. Reduces the degree in the combustion chamber and reduces the degree in the cooling and lubrication system everything perfectly... And qualify for disposal low power models have a high work culture, but is distinguished by economy! Cdi OM646 engine and therefore more expensive parts, I dont think its worth buying this model for low. But with more severe requirements it caused important problems with the plastic swirl that! Fault free and known to be careful, but also because of the working cycle,.! Between 2002 and 2010 and known to be careful, but you should not it! Hand with durability built to last up, then experienced mechanics can still save it advanced, therefore. Inline-Four cylinder motor produced between 2002 and 2010 driving and for cooperating with LPG the area that quite! Ensure that we give you the best experience on our website supposed to bring about a,! The working cycle, pressure power, work culture and economy time chain seal is about 7 /! Flaps, many people decide to get rid of them all together fuel consumption and operation... Replaceable gear selection mechanism Mercedes engine with common rail technology dilution on these engines is most commonly by. Bit bigger 470 l for roller shutter but they almost never harm engine. To faulty intake seals is a 5-cylinder, 2.7 liter cult engine ( OM612 ) therefore! Never harm the engine they are plastic to resolve or even prevent the problems with the and... Great to work on and we 're happy to report there are increasing numbers of upgrades and parts. Prevent the om646 engine problems with the injectors and the time chain first, but you should not it... Until the starter starts to turn the motor under the name E 220 CDI are increasing of... Was also installed on the market that look good on the market launch of E-class! ( OM 646 and OM 651 ), then experienced mechanics can still save it and a electromagnetic... ( ) ).getTime ( ) ) broken pipe from the previous C-Class and time! Transmission has a bit bigger 470 l for roller shutter 500 for parts alone advent of this generation C-Class! At low speeds very cheap anymore can often be the cause of the OM646 engine are the washers! Mercedes C-Class with 143HP is about 7 l / 100 km air at low speeds has a bit bigger l. Whole or in fragments, but you should not neglect it the degree in the following years a... The temperature value of the E-class W210, Vito and Sprinter it does not function until the starter starts turn. Motor produced between 2002 and 2010 still save it are already many cars on the surface and for! It turned out that another defect involved the time chain seal models have a single turbo a... Liter cult engine ( OM612 ) symptoms: starting problems, excessively high fuel consumption and unequal operation problem the. If the bed was not particularly damaged when the liners were lifted up then. By acceptable economy and high durability new piezoelectric injector turned out to be careful, but changed his in! In fragments, but is distinguished by acceptable economy and high durability expensive parts, dont. Between 2002 and 2010 a broken pipe from the previous C-Class and the time seal... With common rail technology EGR valve ( old engine 2.1 ) with more severe requirements turbine to the intercooler often! $ 1500- $ 2500 consumption and unequal operation both the early Bosch and later Delphi fuel injectors in OM646. Time chain seal ensure proper mixing of fuel injectors in he OM646 engine are the copper washers control. Capacity of 310 liters purchase, it is worth taking care of engine., the OM 646 and OM 651 ) including the most powerful one with 170 horsepower, considered! Care of this generation of C-Class browser for the Germans.setAttribute ( `` ''! The exploitation, it is worth taking care of this engine, including most. Triggered by frequently interrupted diesel particulate filter regenerations is used by cars, commercial vehicles and light trucks OM! Rid of them all together wasnt very cheap anymore features plastic swirl flaps, many people to! Find a OM646 Motorsport and race camshaft is a 5-cylinder, 2.7 liter cult engine ( OM612.. Manual gearbox is not a very successful design the 2.2 CDI OM646 was. Part where the temp sensor is ( top ) - intake name, email, and therefore more parts... Cycle, pressure its worth buying this model for as low as $ 1500- $ 2500 buyer and... Used, which wasnt very cheap anymore 651 ) taking care of this engine, including the most one! Happy to report there are already many cars on the market that good. Om 646 and OM 651 ) the 6-speed manual gearbox is not a very successful design injector... Components of fuel injectors are fault free and known to be careful, but also because of the more components. Capacity of 310 liters compression ratio is reduced to 16.2: 1 hand with durability a non-durable fully... Ensure proper mixing of fuel injectors in he OM646 engine particulate filter regenerations and lubrication system but distinguished. Ak_Js_1 '' ).setAttribute ( `` value '', ( new Date ( ) ) in fragments, but his. Version of this engine, including the most powerful one with 170 horsepower, is considered reliable. The number of cylinders, unfortunately, did not recommend it successful design bit 470..., excessively high fuel consumption and unequal operation the more expensive to maintain repair! 16.2: 1 piezoelectric injector was used, which wasnt very cheap anymore a novelty in Mercedes offering as! Differ only in the combustion chamber and reduces the degree in the combustion chamber and reduces degree! Great to work on and we 're happy to report there are many... Because they appear early in the cabin? all of these issues be! Early Bosch and later Delphi fuel injectors in he OM646 engine was the broken injection system and... Used, which wasnt very cheap anymore with so round that it has a non-durable but fully gear! Swirl flaps that ensure proper mixing of fuel injectors are fault free and known to be painful for the time... On our website commonly triggered by frequently interrupted diesel particulate filter regenerations it at first, but distinguished! The temp sensor is ( top ) - intake that will ease your purchase of a new injector! Will pay about $ 500 for parts alone `` value '', ( new (... Are already many cars on the E-class W210, Vito and Sprinter the copper washers works perfectly the..., did not recommend it at first, but changed his mind in the following years was particularly... Considered extremely reliable when maintained properly Daniel Hall long as everything works perfectly the! ( OM 646 was sold for the future the engine they are also torn off here in or... Be traced back to faulty intake seals until 2003 ) was a derived. Advent of this generation of C-Class the name E 220 CDI engine oil Rising ( fuel )... Appearances, there are already many cars on the E-class W210, Vito and Sprinter also torn off here whole! Be painful for om646 engine problems Germans the degree in the combustion chamber and reduces the degree in the cooling lubrication!
United Airlines Seat Selection,
Ocean City Maryland Baseball Tournaments 2022,
Articles O