General notes

If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.

SmartKey and replace it if necessary. Check the battery in the SmartKey and replace it if necessary.
mechanical key. Unlock the driver's door using the mechanical key.
mechanical key. Lock the vehicle using the mechanical key.
battery contacts checked at a qualified specialist workshop. Have the starter battery and the battery contacts checked at a qualified specialist workshop.

If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.

    See also:

    Adjusting the climate mode settings (AIR FLOW)
    This function is only available with 3-zone automatic climate control. The climate mode settings are especially effective at high temperatures. You can select the following climate mode settin ...

    Adding DEF
    WARNING Make sure  - DEF does not come into contact with skin, eyes, or clothing  - to keep DEF out of the reach of children If you and/or others have come into contact with D ...

    Storing settings
    With the memory function, you can store up to three different settings, e.g. for three different people. The following settings are stored as a single memory preset: • position of the seat, back ...