See also:

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid/ tailgate, th ...

Charging the batter
WARNING   Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosio ...

Inserting the brackets into the loading rail
– Insert bracket 1 into the center of loading rail 4. – Press release button 2 and push bracket 1 into the desired position in loading rail 4. – Let go of release button 2. – Press lockin ...