See also:

Overview of transmission positions
The DIRECT SELECT lever is on the right of the steering column. P Park position with parking lock R Reverse gear N Neutral D Drive The DIRECT SELECT lever always returns to its ori ...

Before changing a fuse
  Park the vehicle and apply the parking brake.   Switch off all electrical consumers.   Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...

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 sy ...