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.
"Crank no Start" Due to Failed Crankshaft Position Sensor on Mercedes-Benz CLK350
Average mileage: 74,000 (74,000–74,000)
7 people reported this problem
I can't believe that MB hasn't correced this problem. We experienced it on a 2000 S430, which had to be towed to the shop. Dealer said it is a common problem, and he gets 1-2 every day. THIS WAS 4 YEARS AGO!!!
2007 Mercedes-Benz CLK350 74,000 mi, Visitor