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Problems for specific Mercedes-Benz ML55 AMG years:

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Most reported Mercedes-Benz ML55 AMG problems

 

Verified for the Mercedes-Benz ML55 AMG

Motor mounts commonly fail, causing engine vibrations to be transferred to the body. Failed motor mounts should be replaced in order to prevent damage to the transmission mount.

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Verified for the Mercedes-Benz ML55 AMG

The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern. A recall on certain 2000-2003 models have been recalled for a related issue - for more information please click here»

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Verified for the Mercedes-Benz ML55 AMG

Electrical switches in the door latches can fail, causing the door locks to rapidly actuate up and down multiple times when the locks are activated by either the keyless remote or door lock switch. A new door latch will need to be installed.

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Verified for the Mercedes-Benz ML55 AMG

AC system leaks and/or a faulty evaporator temperature sensor can cause poor AC cooling. The failed sensor can prevent the AC compressor from coming on. Leaks cause a low refrigerant level, which reduces the ability to cool.

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Verified for the Mercedes-Benz ML55 AMG

The crankshaft position sensor may fail causing the engine to run poorly or stall.

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Verified for the Mercedes-Benz ML55 AMG

Various electrical problem may develop due to a failed "all activity module". Our technicians tell us that proper diagnoses is required to be sure any electrical faults are being caused by the failed module.

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Verified for the Mercedes-Benz ML55 AMG

Arms for the sunroof wind deflector break; if the broken pieces are not removed, they can jam the sunroof. 

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Verified for the Mercedes-Benz ML55 AMG

The power window switch may fail and the windows will not raise. The main switch at the front center console is commonly at fault. A failed switch will require replacement.

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Verified for the Mercedes-Benz ML55 AMG

The power steering return hose may leak at the radiator cooler fitting. If the clamp is not properly tightened, the hose can blow off, causing increased steering effort and a mess under the hood.

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Verified for the Mercedes-Benz ML55 AMG

As the spark plug wires age and are exposed to heat cycling, they start to develop micro cracks in the insulation around the resistors, which causes misfires and poor fuel economy.

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Verified for the Mercedes-Benz ML55 AMG

It is not uncommon for the power steering rack to develop a fluid leak requiring replacement of the rack assembly. Loss of power steering fluid may also cause an abnormal noise and damage to the power steering pump.

5 Reports
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Verified for the Mercedes-Benz ML55 AMG

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

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Verified for the Mercedes-Benz ML55 AMG

Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.

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Verified for the Mercedes-Benz ML55 AMG

The rubber bond in the harmonic balancer can decay, which causes the balancer to move and work its way toward the timing cover. If the balancer comes into contact with the timing cover while the engine is running, it will fracture and damage the cover and potentially other surrounding parts. The harmonic balancer should be inspected at every service.

4 Reports
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Verified for the Mercedes-Benz ML55 AMG

An engine oil leak may develop from the oil level sensor. Replacement of the leaking sensor will commonly correct this concern.

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