2006 Mercedes R-Class Owner's Manual - Page 205

Controls in detail Automatic transmission Rocking the vehicle Rocking the vehicle by shifting between D and R can help free a vehicle stuck in mud or snow. The engine control system of this vehicle electronically limits shifting between D and R to very low speeds (i.e. approx. 2 mph). To shift between D and R, move the gear selector lever past the resistance point up or down. Hill start assist system On uphill grades, the hill start assist system maintains the pressure in the brake system for approximately 1 second after you have released the brake pedal. Therefore, you can start off smoothly without the vehicle moving immediately after releasing the brake pedal. The hill start assist system is inactive when driving downhill with the transmission in neutral position N with the parking brake set Warning! Automatic shift program The program mode selector switch is located on the upper part of the center console. G The hill start assist system is not designed to function as a parking brake and does not prevent the vehicle from moving when parked on an incline. Always set the parking brake in addition to shifting to park position P. i If the ESP® has switched off due to a malfunction, the hill start assist system is also unavailable. Program mode selector switch Working on the vehicle Warning! C Comfort For comfort driving For standard driving G S Sport When working on the vehicle, set the parking brake and shift to park position P. Otherwise the vehicle could roll away. 204