mercedes-benz transmission not in park

Mercedes-Benz Transmission Not in Park Risk of Vehicle Rolling Away

A Mercedes-Benz vehicle displays Transmission Not in Park Risk of Vehicle Rolling Away when the driver’s door is not fully closed. Open the driver’s door and close it again to clear transmission, not in the parking warning message on a Mercedes-Benz.

Don’t open the driver’s door while driving. Park the vehicle, set the parking brakes, open the driver’s door, and close it again. If you turn off the engine, move the gear selector to Park; otherwise, the vehicle will not start in Reverse or Drive.

While, in most cases, closing the driver’s door will clear the transmission, not in park warning, there are cases when the warning message shows even if the door is closed.

The door is Open / Not Closed Properly.

Mercedes transmission not in park risk of rolling

If the warning transmission is not in park risk of the vehicle rolling away still comes up; you most likely have a faulty door latch. The door latches have a sensor that detects whether the door is open or closed. Even if the door is closed, the door latch sensor can fail, making the car think you have the door open when the door is closed.

You will not get a door open (ajar) warning when the driver’s door is open; instead, you get the red Transmission Not in P – Risk of Vehicle Rolling Away notification.

This warning is designed to alert a driver who may be stepping out of the vehicle when the transmission is in Drive, Reverse, or Neutral. The instrument cluster can only show one warning at a time, which is Risk of Vehicle Rolling Away and beep, which is a higher priority warning than a door is an open warning.

The car won’t start

Mercedes Benz Engine

The car won’t start if the transmission is not in Park or Neutral. Press the brake pedal and the gear selector’s PARK button, and start the engine. If the vehicle won’t start, set the parking brake and chock at least one tire front and back to prevent the car from rolling.

If the Transmission is Not in Park, the Risk of the Vehicle Rolling Away won’t go away after you close the door or restart the engine; the vehicle will need to be diagnosed with a Mercedes-Benz scanner.

If the vehicle is still under warranty, visit any Mercedes-Benz dealer to have this problem resolved.

Otherwise, to troubleshoot this problem, you will need to read the fault codes with a Mercedes-Benz scanner. Possible problems include a faulty ISM gear selector module, discharged battery, and a bad brake light switch. As a temporary fix, disconnect the battery for at least five minutes, then reconnect.

We hope you find the Mercedes-Benz Transmission Not in Park Risk of Vehicle Rolling Away guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

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