Customize a car Modified car insurance Their strength, however, is simplicity and lack of effort. Chain as a drive reduces maintenance costs. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. 20072009W204 C220 CDI. The last problem with the fuel injection is related to the fuel rail. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). 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. 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. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. The 2.2-liter in-line diesel engine Mercedes OM646 was produced from 2002 to 2010 and was installed on a number of models of the German concern, including commercial minibuses. feature on twinchargers if you want to read more. Save my name, email, and website in this browser for the next time I comment. To remove the unit you must first remove the engine covers. OM646.981, OM646.982, OM646.983, OM646.984, OM646.985, OM646.986, MBMANUALS.COM Website Content Copyright Protected, Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals, 110 kW (150 PS; 148 hp) @ 3,800-4,200 rpm, Manuals may be used as reference for other vehicles with OM646 There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. AMG is the definition of an amazing engine. Chassis Cab 4. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. Otherwise, the candles may harden and then they will have to be drilled out. The engine was equipped with a Common Rail 2 fuel system. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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.. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. As befits a Mercedes comfortable. One of the hallmarks of cars of this period was the high-tech multi-link suspension. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. This is not common, however it is known to happen. - Injectors. Adding a supercharger or additional turbo will make large bhp and torque gains, although more difficult to install. Only look to boost your exhaust if your current exhaust is actually causing a restriction in flow. The 6-speed manual gearbox is not a very successful design. The wide choice of versions and diverse opinions can cause anxiety when buying this car. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. engines. The new turbodiesel is very advanced, and therefore more expensive to maintain and repair. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. W639 Vito 111 CDI, 2.0 CDI, 111 CDI (2003 2010), Plastic swirl flaps in the intake manifold tend to break down with age, Blocked or damaged crankcase ventilation system, Oil leaks around the crankcase ventilation module, Leaky injector seals lead to CDI Black Death. Wiping on the liner leads to knocking, stopping idling. Download: 36.7 mb, 168 pages Economy, of course, depends on the weight of the car and the forcing of the car. no cracks or splits or O-rings missing. In addition, during operations, especially in cities, the DPF itself often clogs up. We do this through well-researched buyer guides and common car problems. They even covered one million kilometers without any mistakes. 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. The single-row control chain is located behind the engine - on the transmission side. Gasket Design Multilayer Steel (MLS). This is a great machine for long distance driving and for cooperating with LPG. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. In terms of issues, there were none that would occur frequently. 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. Less risky in the petrol version than in the W204 successor. Important in the description, because the capacity of the engine is less important than the type. 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. Replacement needed. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. 125 kW (170 PS; 168 hp) @ 3,800 rpm 400Nm (295lbft) @ 2,000 rpm, 20062009W211 E220 CDI - Brake System Problems: The brake system is critical for the safe operation of any vehicle, and the 1986-1990 models of . Read more here! 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. 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. . Help us improve, leave a suggestion or tip. 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. The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Advantages Availability. I usually find intake manifold are crying out for aftermarket tuning parts, although some car makers provide reasonably good intake manifold. Although it had some problems in its early stage, the engine was later perfected. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. There are also modifications of BlueTEC and BlueEFFICIENCY. T. he base models have a herd of 120hp, 136hp or 143hp. AMG vehicles from 2007 to 2014. 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. W204 Engine Codes. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. Minibus 3.3. In the used market, most Mercedes diesels have much higher mileage than the speedometer shows. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. turbine geometry) stage 3, Intake air throttling via the throttle valve actuator (only The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. In comparison, the new Delphi injector costs $ 450. 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. 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. 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 . (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). However engines will need better parts at higher power limits.Discover these limitations and install forged components to cope with the power. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. Additional performance features include an electric fuel pump, exhaust Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. The OM646 engine is incredibly reliable. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Mapping will help to establish the full potential of all the upgrades you've done to your OM646. It features a reduced compression ratio of 17.5:1, a new turbocharger, The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, In 2006, Mercedes-Benz upgraded the OM646 diesel. Their pistons are exactly the same. I am interested in your opinion about the w211, 220cdi 170hp, means redesign, with a 646 engine, as they turned out, because I plan to buy it, and what to pay attention to when buying Glow plugs will need changing now and then. Detail: Drainage valve seal - keeper with sealing ring Fig. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. A more modern version of the 2.1 liter diesel is chosen by the driver. Another thing to consider when buying a car is the rear suspension. In practice, two seats with a small luggage capacity of 310 liters. Jump To Article. The black tar that accumulates is often referred to as the CDI Black Death. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. 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. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Thats why I compiled the list above in this way. The repair costs exceed half a billion euros. The car fails the most with its anti-corrosion protection and faults. Uncontrolled leakage of antifreeze can cause the engine to overheat. 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. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. Most tuners we speak with say to be generous with your flow rate on the injectors. Save my name, email, and website in this browser for the next time I comment. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. 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. 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. Thats why it has appeared in the range of German brands for 6 years. 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. Good proof is a machine called the 2.1 CDI OM651. Unfortunately, suffers from oil spills and leaks. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. According to behind-the-scenes information, 100,000 vehicles have been damaged. 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. Read more about us. 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 problems get complicated after the appearance of the OM651 series of engines. 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. Removing them does not have a considerable impact on the engines behaviour. 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