General notes

If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.

If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.

There are several ways to turn off the alarm:

- To turn the alarm off with the SmartKey: press the button or on the SmartKey. button on the SmartKey.
or
- Insert the SmartKey into the ignition lock.
or
- To deactivate the alarm with KEYLESS-GO:
press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.
or
- Lock or unlock the vehicle using KEYLESS-GO.
The SmartKey must be outside the vehicle.

    See also:

    Kickdown
    Kickdown is not possible in manual drive program M. ...

    Engaging park position P automatically
    Park position P is automatically engaged if: - you switch off the engine using the SmartKey and remove the SmartKey, or if you switch off the engine using the Start/Stop button and open one of th ...

    Please bear the following in mind
    At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. Observe the notes in the "Changing a wheel" sec ...