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:

Tire glossary
See below for a glossary of frequently used terms: lbf/in² or psi Pounds per square inch, an imperial unit of measure for pressure. kPa Kilo Pascal, a metric unit of measure for pressure. Co ...

Secondary Latch System
This vehicle has an underbody-mounted tire hoist assembly equipped with a secondary latch system. It is designed to stop the spare tire from suddenly falling off your vehicle. For the secondary latc ...

Defrosting the windshield
You can use this function to defrost the windshield or to defrost the inside of the windshield and the side windows. You should only select the defrosting function until the windshield is clear ...