See also:

AMG vehicles with rear axle locking differential
Your vehicle is equipped with a self-locking differential on the rear axle. For better protection of the differential on the rear axle, carry out an oil change after a breaking-in phase of 200 ...

Windows fogged up on the outside
Switch on the windshield wipers. Press the button repeatedly until the or symbol appears in the display. You should only select this setting until the windshield is clear again. ...

On-board diagnostic interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while driving ...