2010 Mercedes GL-Class Owner's Manual - Page 157

Driving systems have not yet been detected by the Distronic. There will be insufficient distance to the preceding vehicles. X 155 Distance warning function This function warns you at a vehicle speed of above approximately 20 mph (30 km/h) in the following cases: RAt the current speed, the distance between Activating/deactivating: Activate or deactivate the distance warning function in the control system (Y page 140). When activated, the distance warning function indicator Ä appears in the multifunction display. Hill-start assist system G Warning! The hill-start assist system is not designed to function as a parking brake. It does not prevent the vehicle from moving when parked on an incline. Always engage the parking brake in addition to shifting the automatic transmission into park position P. your vehicle and the preceding vehicle is too low for several seconds. The distance warning lamp · in the instrument cluster comes on. RYou are gaining on a preceding vehicle rapidly. An intermittent warning sounds and the distance warning lamp · in the instrument cluster comes on. If these warnings are issued, you must apply the brakes to maintain a safe distance and avoid a collision with the preceding vehicle. When depressing the brake pedal, the warning sound ceases. The warning sound will also cease when the distance to the preceding vehicle is sufficient again without applying the brakes. In this case, the distance warning lamp · will also go out. G Warning! If the distance warning lamp · in the instrument cluster comes on while driving and/or an intermittent warning sounds, immediate attention on the part of the driver is required. As required by the traffic situation, apply the brakes and navigate around a possible obstacle. However, do not drive by relying on the distance warning function, as this will result in an emergency braking application. This will not always enable you to avoid a collision, especially when traveling on varying road surface conditions and with varying driver reaction. Complex driving situations are not always fully recognized by the distance warning function. This could result in wrong or missing distance warnings. 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. X Depress the brake pedal. X Shift the automatic transmission into drive position D or reverse gear R. X Release the brake pedal. X Carefully depress the accelerator pedal. The hill-start assist system is inactive Rwhen starting off on a level road or downhill grades Rwith Rwith Rif the automatic transmission in neutral position N the parking brake engaged the ESP® has switched off due to a malfunction Downhill Speed Regulation (DSR) For information on off-road driving, see "Offroad driving" (Y page 262). Z Controls in detail