See also:

Important safety notes
WARNING   The PARKTRONIC is a supplemental system. It is not intended to, nor does it replace, the need for extreme care. The responsibility during parking and other critical maneuvers ...

Turn signal lamps/side marker lamps
Switch off the lights. Open the hood. Remove the headlamp cover (). Left-hand headlamp: detach the washer fluid reservoir (). Turn bulb holder 1 or 2 counterclockwise and pull it out. W ...

Transfer case
This section is only valid for vehicles with 4-wheel drive (4MATIC). Power is always transmitted to both axles. Performance tests may only be carried out on a 2-axle dynamometer. The brake ...