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.

- Glenn Dale, MD, USA

Driving home on freeway at night, car shifted unexpectedly at high speed. Check engine light immediately came on. Came to stop exiting off freeway and car would not move, turned off and turned back on engine was able to limp home with check engine light still on. Towed to Mercedes and was told it was a "defective" speed sensor also was told this malfunctioning sensor could not be replaced in and of itself and that the whole valve body would have to be replaced at a cost of $2200 for a 2006 car with 58,000 miles on it. By virtue of the fact the sensor was defective shouldn't Mercedes have replaced this at their cost? "transmission electrohydraulic unit replaced at a cost of $2200 with 58,000 miles"

- Moorpark, CA, USA

: the contact stated while driving 15 mph, the transmission slipped into neutral. To remove the transmission from neutral, the vehicle was either turned off and back on or placed into park and back into drive. The first time the vehicle was taken to the dealer, the transmission was reprogrammed but after 1000 miles, the problem recurred. The vehicle was taken back to the dealer who replaced the valve body but after two months the problem recurred. The vehicle was taken back to the dealer where it awaits another diagnostic analysis. The manufacturer was contacted, and a complaint was taken. Updated 11/21/2006 -

- Boca Raton , FL, USA

The transmission of my new car, 2006 mbz C280, has failed three times. The car goes into a false neutral while driving and then eventually falls into gear. After this episode, the car continues to drive in a low gear. The dealership has tried: 1. replacing the valve body on the car's transmission and uploading the new software 2. replacing the transmission with a completely new transmission from the dealership 3. replacing the valve body of the new transmission.

- Costa Mesa, CA, USA