See also:

Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes-Benz. ...

Towing a vehicle with both axles on the ground
When having your vehicle towed, observe the important safety notes. WARNING The power assistance for the steering and the brake force booster do not work when the engine is not running. You w ...

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-board ...