2009 Mercedes-Benz CLK550 Problems

RepairPal has identified the most common problems with the 2009 Mercedes-Benz CLK550 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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18
Known Problems

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

Cup holders in the dash are known to break requiring repair or replacement.

The heater case for the center vents can crack near the stop sensors. If the stops break, the control motor will not know when to stop and will run continuously.