Are you kidding me??!! Press the brake pedal down and hold it there. Next, grab the shifter lever to the right of your leg. Depress the little button on the lever, and move the lever to the desired gear. Next, take your left hand, pull the pistol out of the glove compartment, and shoot yourself in the head!
It could be the shift cable is out of sync or loose. Have a transmission shop take a look. If that's all it is, it's a relatively simple repair
Does it do it when you take it up to about 50 to 60 and then let off. If so then it could be your u-joints on your drive shaft.
Sounds like a torque converter lock up solenoid.
If your Mercedes won't shift out of park, you might have an issue with the brake sensor or the brake itself. The brake must be fully depressed in order to shift from park to drive or reverse.
Does it shift out of Park?If not check stop light fuse - shift interlock and stop lights are a common circuit If it does shift out of Park then shift linkage may need adjustment Try turning key to first position (Unlock) without engine running and the shift to neutral to start vehicle and then shift to Drive
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Align the shift indicator orreplace it. Your problem is strictly column mechanical.
are you pressing the brake as you try to shift?
Let up on the button just a little as you jiggle the shifter back and forth, eventually you will be able to fully depress the button and shift into drive. Dont forget to press the brake while you do this.
Stuck in Park? Check to see if the stop lights are working - shift interlock should be the same circuit Check stop light fuse Try turning the key to 1st position (Unlock) Shift to neutral to start vehicle and then shift to Drive
The parking pawl inside the tranny is messed up.
Simply start the vehicle with the shift lever in the Park position. If you wish to go backward place the shift lever in the R location. When you're ready to move forward place the shift lifter in the D position. Only shift from park to reverse or to drive when the vehicle is sitting still.