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:

Headrest (2nd row center seat) (if so equipped)
Removal and attachment To remove the headrest, push and hold the lock knob 1 and pull the headrest up. If the headrest is removed, store it in a secure place. Reinstall the headrest when th ...

Activating/deactivating DSR
Activating DSR can only be activated if you are driving no faster than 20 mph (30 km/h). Vehicle without the Off-Road Pro Engineering package Vehicle with the Off-Road Pro Engineering package ...

Connecting procedure
1. Push the button, and select the “Connect Phone” key. 2. When a PIN code appears on the screen, operate the compatible Bluetooth ® cellular phone to enter the PIN code. The co ...