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:

    EASY-PACK load-securing kit (Wagon)
    Components and storage The EASY-PACK load-securing kit allows you to use your cargo compartment for a variety of purposes. The accessory parts are located under the cargo compartment floor. •& ...

    Cruise control lever
    1. To store the current speed or a higher speed 2. To store the current speed or a lower speed 3. To deactivate DISTRONIC PLUS 4. To store the current speed or to call up the last ...

    Problems with the seat ventilation
    The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch ...