Important notes

In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the ignition lock.

    See also:

    Coupling up a trailer
    Observe the maximum permissible trailer dimensions (width and length). Most U.S. states and all Canadian provinces require by law: safety chains between the towing vehicle and the trailer. The ch ...

    Before changing a fuse
    – Park the vehicle and apply the electric parking brake. – Switch off all electrical consumers. – Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: - fus ...

    Mercedes-Benz M-Class Owners Manual
    ...