See also:

Belt height adjustment
You can adjust the seat belt height on the driver's seat and the front-passenger seat. Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder. ...

Charging the battery
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 explosions ...

Important safety notes
WARNING For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-bo ...