2010 Mercedes GL-Class Owner's Manual - Page 67

Driving safety systems G Warning! G Warning! 65 When you switch off the ESP®, Rthe Rthe ESP® does not stabilize the vehicle engine output is not limited, which allows the drive wheels to spin and thus cut into surfaces for better grip 4-ETS will still apply the brakes to a spinning wheel ESP® continues to operate when you are braking cruise control or the Distronic system cannot be activated cruise control or the Distronic system switch off if activated Rthe Rthe Rthe Rthe ! Avoid spinning of a drive wheel for an extended period with the ESP® switched off. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty. Switching on the ESP® X i When the ESP® is switched off and one or more drive wheels are spinning, the ESP® warning lamp d in the instrument cluster flashes. However, the ESP® will then not stabilize the vehicle. Press ESP® switch : until the ESP® warning lamp d in the instrument cluster goes out. You are now again in normal driving mode with the ESP® switched on. Off-road ESP® With the off-road driving program switched on (Y page 158), or with the transmission in LOW RANGE mode (Y page 120), the ESP® designed for off-road use is activated automatically. At speeds below 27 mph (45 km/h), the ESP® assists in over- understeering, thus improving vehicle traction. ESP® trailer stabilization If the trailer you are towing should begin to sway, the rig can only be stabilized by immediately applying the brakes hard. Steering during this maneuver will not help to stabilize the rig. The ESP® will assist you in such situations. The ESP® recognizes when the trailer starts swaying and will apply the brakes to reduce the vehicle speed to a non-critical speed that Z X With the engine running, press ESP® switch : until the ESP® warning lamp d in the instrument cluster comes on. The ESP® is switched off. Safety and security Switch on the ESP® immediately if the aforementioned circumstances do not apply anymore. Otherwise the ESP® will not stabilize the vehicle when it is starting to skid or a wheel is spinning. When the ESP® warning lamp d is illuminated continuously, the ESP® is switched off or is not operational due to a malfunction. Vehicle stability in standard driving maneuvers is reduced. Adapt your speed and driving to the prevailing road conditions and to the non-operating status of the ESP®.