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:

Gradient release control (GRC)
With HDC activated, if the vehicle is stopped on a slope using the foot brake, GRC will become active (except in Terrain response Sand program). During a hill ascent when the foot brake is release ...

Temperature A, B and C
The temperature grades A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a ...

CD/DVD Messages
If Disc Read Error appears on the display and/or the CD/DVD comes out, it could be for one of the following reasons: If a CD was inserted with an invalid or unknown format. If a DVD is not from ...