4MATIC (permanent four-wheel drive)

4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING&n ...

Important safety notes

DSR is an aid to assist you when driving downhill. It keeps the speed of travel at the speed selected on the on-board computer. The steeper the downhill gradient, the greater the DSR braking eff ...

See also:

System settings
• Button feedback: Soft key confirmation tone on or off. • Clock adjust: Select 12 and 24 hour clock. Use the arrow soft keys to alter the time. Select Date to change the date, or to alter ...

Mechanical key
General notes If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system ...

Menu options
The start menu can be displayed using the menu control switch on the steering-wheelmounted controls. 1. While the MAP or STATUS screen is displayed, push and hold the menu control switch u ...