Car Problem Reports

Mercedes-Benz CLK55 AMG Engine Performance Problems Due to Crankshaft Position Sensor Failure

 
Mercedes-Benz CLK55 AMG Problem
8 Reports
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Model Years Affected: 2001, 2002, 2003, 2004

Average Mileage: 101,000 mi (87,000 mi - 125,000 mi)

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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.

  •  Enthusiast

    Started fine when cold, but after 5 miles, when stopping at a traffic light, engine dies and will not restart.
    Very embarrassing in stop and go traffic......car will start when cooled off, but replace that crank sensor ASAP.
    Independent German car repair facility charged $350 to replace a $40 part in half an hour.
    Will fix it myself from now on......

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  • Visitor, , 91,000 mi

    This occurred randomly and cost roughly $500 to repair at Loeber Motors

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  • Visitor, , 125,000 mi

    This is a very common problem on the Mercedes.
    The Crank sensors fail at around 100K miles.
    The sensor itself costs around $40- to 120, but it is located in a very tight spot to get to...
    LH side of the engine, down near where the transmission bolts up to it, and close to the exhaust system.
    Many automotive shops charge outrageous prices to replace the crank sensor....

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  • Visitor, , 87,000 mi

    car didnt start after i put gas in the car.. engine check came on and it was the crank sensor.. i brought a new one and had my mechanic put it in..

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