Stalling and/or "Crank no Start" Due to Failed Crankshaft Position Sensor on Mercedes-Benz CLK550

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

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Average mileage: 50,000 (50,000–50,000)
3 model years affected: 2007, 2008, 2009
4 people reported this problem
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2008 Mercedes-Benz CLK550 50,000 mi,
Engine tunrs off on occasion but more often, it will surge at idle from approx 750 RPM to 1800RPM instantaneously and unsexpectedly, causing the car to jump. Very dangerous problem if your foot is not already on the brake pedal and expecting it.