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Emergency
KNOWN FAULT · Mercedes-Benz · Chrysler · Jeep

Oil cooler and injector leaks

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment
OM642 3.0 V6 CDI/BlueTEC (280/300/320/350 CDI, ML, GL, R, Sprinter)
Period mentioned
2005 onwards
Symptoms
Oil pooling in the engine's V, burning oil smell, drips under the engine; or a hiss or chirp next to an injector with an exhaust smell.
Possible cause described
The oil cooler seals (in the engine's V) degrade. Separately, injector washers leak combustion gas and carbon builds up around the injector.
Check for the garage
Visual inspection of the engine's V and the base of the injectors.
Cost cited in the source
Oil cooler seals: labour-heavy, approx. €800–1,800 (estimate)A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

How much does it cost to repair this fault?

Oil cooler seals: labour-heavy, approx. €800–1,800 (estimate)

A rough figure from the original database, not an up-to-date quote.

Calculate estimate
How is it checked?

Visual inspection of the engine's V and the base of the injectors.

What are the symptoms?

Oil pooling in the engine's V, burning oil smell, drips under the engine; or a hiss or chirp next to an injector with an exhaust smell.

Which cars and years does it affect?
Brands
Mercedes-Benz, Chrysler, Jeep
Engine / equipment
OM642 3.0 V6 CDI/BlueTEC (280/300/320/350 CDI, ML, GL, R, Sprinter)
Period mentioned
2005 onwards

Taking it to a garage?

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