Rough Shifting of Automatic Transmission on Mercedes-Benz R500

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 74,461 (11,254–128,000)
2 model years affected: 2006, 2007
19 people reported this problem
Viewing 1 - 10 of 10 comments
Not repaired. Rough shifting out of park into any gear, often skips neutral and gear will not stop/stay on neutral.
Transmission failure today.
Transmission wont shift down sometimes. Need to turn the car off and on the reset it. Main component is not communicating correctly and needs to be replaced.