Mercedes-Benz GL-Class: DSR (Downhill Speed Regulation) - Off-road driving systems - Driving and parking - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: DSR (Downhill Speed Regulation)

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:

Horn
To sound the horn, press the center pad on the steering wheel. ...

Doing Your Own Service Work
WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. ► Be sure you have sufficient knowledge, experience, t ...

Mislock
When attempting to lock the vehicle, if one or more of the doors, the hood or the tailgate are not fully closed, the vehicle will fail to lock and the horn will emit two tones. The vehicle will no ...