Power Train Problems of Mercedes Benz CLK350

Vehicle would be stock on 1st or 3rd gear without any error code engine light or transmission light on. That can happen anytime. On take off at red light or cruising on 5th 6th or 7th shift. This is an automatic transmission with no mechanical issues. I am guessing it is a software issue. Very dangerous in traffic or high speed highway because the vehicle stalls unintentionally. A restart of vehicle fixes the issue.

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Many owners of late-model mercedes-benz cars equipped with 3. 0l and 3. 5l v6 engines (m272 or m273) have experienced performance problems that include poor idle, loss of power and a check engine light with a p2006 code (or sometimes other codes). The shafts will fail inside the manifold and bind, causing the lever to break and the caps shown to look like they are popping off the manifold.

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The contact owns a 2007 Mercedes Benz Clk350. While driving approximately 45 mph, the vehicle started to lose acceleration until it stopped in the middle of the road. The vehicle had to be turned off and then restarted. The vehicle was taken to three independent mechanics who diagnosed that the control speed sensor needed replacement. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 120,000. The VIN was not available.

Transmission (mercedes type 722. 9) will not shift properly. Transmission s/n 722906 00 999408. Suspect component: valve body (electrohydraulic control unit). Multiple variations of improper shifting, examples: 1. Transmisison will not shift after vehicle is stopped with engine runnng resulting in no movement of vehicle; 2. Transmission will shift to initial gear then remain in that gear resulting in movement of vehicle with high engine rpm's. Issue may correct itself by operator shifting to neutral/park, or turning engine off. Issue is increasing in frequency. Lack of proper shifting results in vehicle becoming potentially dangerous to drive.

The contact owns a 2006 Mercedes Benz Clk350. The contact stated that the vehicle reduced in speed when the accelerator pedal was applied. The contact mentioned that the accelerator pedal had to be depressed numerous times in order to accelerate, which responded intermittently. The contact was able to restart the vehicle in order to reset the computer. The vehicle was taken to an authorized dealer on several occasions where the failure was unable to be replicated. The vehicle was taken to an independent mechanic, who diagnosed that the transmission valve housing needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 70,000.

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Tl- the contact owns a 2006 Mercedes Benz clk 350. The contact stated that while driving at 20 mph, the vehicle wouldn't seem to be in the correct gear and would drive sluggishly. The contact stated that after a mile or so that the vehicle would have to be put in park and shifted back into the drive position to get the vehicle to operate normally. The contact stated that this is a recurring incident. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the issue. The failure mileage was 68,000. Wh.