Are mercedes diesel engines reliable?
The internal components are very sturdy, and diesels operate at lower rpm than gas engines. Sharon Oehler’s Mercedes 300d has gone a long way so far and shows no signs of slowing down, even though it’ll be 30 years old next year. Experts say the diesel engine could last 300,000 miles, and in some cases 500,000 miles.
What’s the problem with the Mercedes OM642 diesel?
Starting in 2019 the OM642 diesel doesn’t come with an engine oil dipstick. Mercedes puts a cheap oil plug in the dipstick tube that often blows out and sprays oil all over the engine. New Sprinters also have a problem with one of the Power Steering hoses popping off a fitting at the radiator.
When did Mercedes Benz introduce the OM642 BlueTEC?
Mercedes has published information about virtually every problem and the correct solution. The most common problem is the Mechanic didn’t follow the instructions. Mercedes-Benz introduced the OM642 V6 BlueTec diesel in 2007. A few years later they introduced the OM651 4 cylinder BlueTec diesel. BlueTec refers to the type of diesel emission system.
How often should I clean my Mercedes OM642 diesel engine?
Therefore, for vehicles equipped with an OM642 3.0L diesel engines, it will be helpful to clean an air intake manifold, intake pipes, and crankcase ventilation pipes every 60-80k miles. Otherwise, the swirl valves may be stuck and an overloading electric drive motor will blow a fuse that controls other sensors.
What kind of exhaust system does Mercedes OM651 have?
A few years later they introduced the OM651 4 cylinder BlueTec diesel. BlueTec refers to the type of diesel emission system. The very early versions did not have the AdBlue or what’s also referred to as the DEF (Diesel Exhaust Fluid) system. Other than the DEF, they operate the same way.
What kind of engine does the Mercedes OM642 have?
The OM642 V6 CDI/BlueTEC engine replaced the previous five- and six-cylinder OM647 and OM648 inline engines. This MB 3.0L diesel unit was offered as an engine option for many cars and vans produced by Mercedes-Benz as well as under the Dodge, Jeep, Chrysler, and Freightliner brand.
Are there any problems with the Mercedes Sprinter OM642?
Mercedes-Benz Sprinter OM642 & OM651 BlueTEC Diesel Issues & Problems 1 Keep the tank full. 2 Use genuine Mercedes AdBlue. 3 Flush the tank every 2 years. 4 Clean the Dosing valve every 40,000 miles. 5 Reduce the exhaust temperatures. Mercedes has updated the NOx sensors 5 times. Mercedes says they will replace them as part of the fraud recall.
Why does my Mercedes have a limp mode?
Mercedes car limp mode is indicated by the check engine warning light, which activates when an issue erupts within the vehicle. If an error in the transmission causes the vehicle to jump into third gear and remain stuck in that position, you have a case of limp mode.
Therefore, for vehicles equipped with an OM642 3.0L diesel engines, it will be helpful to clean an air intake manifold, intake pipes, and crankcase ventilation pipes every 60-80k miles. Otherwise, the swirl valves may be stuck and an overloading electric drive motor will blow a fuse that controls other sensors.