One problem related to check engine light on has been reported for the 2001 Mercedes Benz Clk Class. The most recently reported issues are listed below.
Consumer was driving at 25- 30 mph and the vehicle died on the road. The engine light did not come on. After taking the key completely out and re-inserting the key the vehicle did crank back up. Had the vehicle towed to the dealer and they said it was crank shaft position sensor. This happened on September 4, 2005.
| Car Stall problems | |
| Crankcase (pcv) problems | |
| Gas Recirculation Valve (egr Valve) problems | |
| Check Engine Light On problems |