24 34 ... Unlock Transmission Lock Electronically

24 34 ... Unlock transmission lock electronically







For various tasks, it is necessary to unlock and lock the parking lock.
Before releasing the parking lock, secure the vehicle against rolling away.







- The emergency release is only possible if the engine does not start and the starter is turning.
- If the emergency release must be activated although the engine starts, the fuse for the electrical fuel pump may be pulled.
- The emergency release is active for 15 minutes.
- As soon as a wheel speed signal is recorded, this period will be extended by another 15 minutes.
- After this period of time, the parking lock will be engaged without message.
- The chronological information depends on the battery capacity.







- Only specially trained service personnel are permitted to operate both the mechanical as well as the electrical emergency transmission release system.
- The vehicle must be raised and the underbody panelling removed in order to operate the mechanical emergency transmission release.

IMPORTANT:
To operate the electronic emergency transmission release the vehicle must not be towed but rather only pushed.
In the case of misuse, a corresponding fault is entered in the fault memory.

Unlock transmission lock electronically
- Switch the ignition on.
- Apply the brake pedal and hold it down during the entire procedure.
- Press START-STOP button.
- As soon as the starter can be heard to operate (this may take several seconds on diesel engines or at low temperatures).







- Press and hold release button (1).

1. The specified time must necessarily be complied with.







2. Push selector lever (2) forward up to point of resistance and hold for 2 seconds.
3. Release the selector lever and quickly move it forward by another level again.







- Gear position N is shown in the instrument panel.
- The parking lock is now electronically unlocked.
- Release the brake pedal after the parking lock has been successfully unlocked.
- Leave the ignition switched on in order to subsequently move the vehicle.
- The transmission automatically shifts into P when the ignition is turned off.







IMPORTANT:
When the Start-Stop button is pressed again, the parking lock will be reactivated without message.
If the gearbox cannot be released, turn the ignition off and on again and repeat the previous steps.
Allow the starter to cool down for approx. 10 minutes after unsuccessful attempts.