2010 Mercedes GLK-Class Owner's Manual - Page 64

62 Driving safety systems as specified in the "Technical data" section of this Operator's Manual. anymore. Otherwise the ESP® will not stabilize the vehicle when it is starting to skid or a wheel is spinning. i The cruise control switches off automatically when the ESP® engages. When you switch off the ESP®, Rthe Rthe Safety and security Electronic Traction System (ETS/4-ETS) G Observe Safety notes, see page 60. The ETS (Electronic Traction System) and 4-ETS (four-wheel Electronic Traction System, vehicles with 4MATIC only) are components of the ESP®. The ETS/4-ETS improves the vehicle's ability to utilize available traction, especially under slippery road conditions by applying the brakes to a spinning wheel. Vehicles with 4MATIC also transfer more power to the wheel(s) with traction. When you switch off the ESP®, the ETS/4-ETS is still enabled. Switching off the ESP® G Warning! The ESP® should not be switched off during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do not switch off the ESP® when a spare wheel is mounted. 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 ETS/4-ETS will still apply the brakes to a spinning wheel ESP® continues to operate when you are braking cruise control cannot be activated cruise control switches off if activated Rthe Rthe Rthe Rthe 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. To improve the vehicle's traction, switch off the ESP®. This allows the drive wheels to spin and thus cut into surfaces for better grip, for example Rwhen Rin Rin X driving with snow chains With the engine running, press ESP® switch : until the ESP® warning lamp d in the instrument cluster comes on. The ESP® is switched off. deep snow sand or gravel G Warning! G Warning! Switch on the ESP® immediately if the aforementioned circumstances do not apply 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.