Car Problem Reports

Mercedes-Benz R350 Engine Performance Problems Due to Crankshaft Position Sensor Failure

Mercedes-Benz R350 Problem
11 Reports
Me Too

Model Years Affected: 2006, 2007, 2008, 2009

Average Mileage: 70,333 mi (28,000 mi - 106,000 mi)


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. Communicating these specific symptoms to your technician can save diagnostic time.