Mercedes-Benz R320 CDI Problem Report
Mercedes-Benz R320 CDI Transmission May not Shift into Drive Due to Failed Selector Module
The transmission drive selector module may fail resulting in the loss of gear selection capability. This condition can leave the vehicle stranded, and will require replacement of the drive selector module.
My 2007 R320 CDI has the same problem. When I went to start the vehicle it flashed a service message that stated I must shift the vehicle into park. The problem is that you cannot start the vehicle in this state. You therefore have no power steering and no means of shifting the gears so that the vehicle can be safely towed. Watching my R320 being towed in this state was like watching sausage being made. I will be shocked if I dont have more damage from the tow than from the initial mechanical failure. This is a huge failure on MB's part not to have a safe means of shifting the vehicle into neutral if and when the gear selector fails. - mrdjansley
won't shift from 2 to 3 upward nor 4 to 3 downward....but can do it manually with the finger paddles behind the steering wheel. - grezbalina
I can use the finger paddles and smoothly shift...i need to be sure the gear has wound down and...
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the car stopped while driving. can i have engine damage