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Most reported Mercedes-Benz problems

 

Verified for the Mercedes-Benz ML320

A no start condition may develop due to an anti-theft system fault. If the drive authorization module fails to recognize the keys, the engine will not start. In many cases, a new module and keys will be needed to correct this problem.

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Verified for the Mercedes-Benz S550

The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.

21 Reports
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Verified for the Mercedes-Benz C230

Oil can leak into the engine wiring harness from the camshaft sensor. If the leaky sensor is not repaired, the oil can migrate through the wires and possibly damage the engine control unit. Have the sensor and harness checked regularly.

20 Reports
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Verified for the Mercedes-Benz S430

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance.

20 Reports
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Verified for the Mercedes-Benz ML320

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.

20 Reports
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Verified for the Mercedes-Benz ML430

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.

20 Reports
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Verified for the Mercedes-Benz C280

The interior wood trim and dash pad are likely to crack due to age and sun exposure.

19 Reports
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Verified for the Mercedes-Benz S600

The brakes may begin to squeak at about the 50 percent wear point. This is due to the size and material used for the brake pads and rotors.  The brake rotor surfaces become uneven, causing a lip to form at the outer edge. This will generally require replacement of the rotors when the pads are worn (pad life varies depending on driving style and terrain).

19 Reports
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Verified for the Mercedes-Benz ML430

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 2000-2001 models have been recalled for a related issue - for more information please click here»

19 Reports
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Verified for the Mercedes-Benz CLK320

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.

19 Reports
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Verified for the Mercedes-Benz E320 4MATIC

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

19 Reports
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Verified for the Mercedes-Benz E350

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

19 Reports
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Verified for the Mercedes-Benz R350

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

19 Reports
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Verified for the Mercedes-Benz C240

A dead battery can be caused by a faulty seat control module that does not properly shut down.  Spilling liquids on the front seats can cause these modules to fail.

18 Reports
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Verified for the Mercedes-Benz C320

Inside grab handles, the upholstery on the center console cover, and door trim panels can delaminate. Most commonly replacement of the affected part is necessary.

18 Reports
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