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:

    Welcome to the world of Mercedes-Benz
    Before you drive off, please familiarize yourself with your vehicle and read this manual, especially the safety and warning notes. This will help you to obtain the maximum pleasure from your v ...

    Transmission position display
    The current transmission position is shown in the multifunction display. 1 Transmission position The arrows in the transmission position display show how and into which transmission positio ...

    Activating the HOLD function
    Make sure that the activation conditions are met. Depress the brake pedal. Quickly depress the brake pedal further until HOLD display 1 appears in the multifunction display. The HOLD ...