2011 Mercedes GL-Class Owner's Manual - Page 193

Driving systems If you press the V, U, & or * button on the multifunction steering wheel, the message will disappear. Once highway level has been reached, all indicator lamps = go out. You will see a message in the multifunction display, for example: The individual vehicle levels differ from highway level as follows: R+3.5 R+2.3 191 Off-road levels G Warning! If you have not previously selected the offroad menu (Y page 220) in the on-board computer, the message disappears after about five seconds. The vehicle automatically selects highway level if you are driving faster than 55 mph (88 km/h). Depending on the ADS setting, the vehicle is lowered to high-speed level at speeds higher than this. i If you are towing a trailer, the vehicle is not lowered to high-speed level. Vehicles with the extended Off-Road Pro engineering package Basic settings The extent to which the vehicle is raised or lowered depends on the basic setting selected. Select: ROff-road Vehicle off-road level 3 is not intended for use on paved roads. This vehicle level is intended for clearing impracticable situations at low speed exclusively. The vehicle has a very high center of gravity in off-road level 3. This increases the overturning hazard. RSelect off-road level 3 exclusively for clearing impracticable situations at low speed. RAdapt your driving style to the modified conditions. RDo not exceed a speed of 12 mph (20 km/h). RAvoid extreme, quick steering movements. RKeep in mind the vehicle's driving characteristics are modified. You should therefore drive in off-road level 3 with particular caution as it could otherwise lead to an accident and/or serious injury to you or others. level 3 for freeing the vehicle in impassable terrain at low speeds only ROff-road level 2 for driving on normal offroad terrain ROff-road level 1 for driving on easily negotiable off-road terrain RHighway/high-speed level for normal roads If you are driving too fast in off-road level 3, the Reduce speed to under 12 mph (20 Km/h) message appears in the multifunction display. You also hear a warning. The vehicle is lowered. i You cannot clear these messages. Only select an off-road level when this is appropriate for road conditions. Otherwise, fuel consumption increases and handling may be affected. Your selection remains stored even if you remove the key from the ignition lock. Z Driving and parking in (+ 90 mm) in off-road level 3 in (+ 60 mm) in off-road level 2 R+1.2 in (+ 30 mm) in off-road level 1 R+/-0 in (+/-0 mm) in highway level R-0.6 in (-15 mm) in high-speed level