See also:

Redialing
The on-board computer saves the last names or numbers dialed in the redial memory. – Press the or button on the steering wheel to select the Tel menu. – Press the button to switch to the r ...

EBD (electronic brake force distribution)
Observe the "Important safety notes" section. EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. WARNING If EBD has malfu ...

Transfer case
The vehicle has permanent 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 system or transfer ca ...