Common Faults on Mercedes Benz Models
Below is a list of the most common faults we see with Mercedes Benz models. If your fault isn’t below rest assured we can help you, these are just some of the most common faults we see day today.
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ENGINE
M270
Thermostat failure
Water pump leaks
M271
Timing chain, Camshaft Adjuster and Magnet Faults
M272
Balance shaft faults
Intake manifold
M156
Engine mounts
Intake manifold air leaks
Engine oil leaks from Camshaft cover gaskets/timing plates,
Camshaft hardening failure/worn lifters
Camshaft Adjuster Noise
Crank Case breather / PCV
Cylinder head bolts
M274
Camshaft Position faults
Water pump control valve jamming/breaking
OM651
Coolant leaks from Water pumps and outlet housings and thermostat assembly
DPF pressure sensors failure
Boost hoses collapsed or torn
OM642
Engine Oil leaks from Oil cooler assembly
Glow plug and module faults
MODEL
ALL
Auxiliary battery warning
176, 246, 117
Vehicle hard to fill with fuel (Charcoal canister)
Fuel flap does not open actuator
166
Wheel bearing noise
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