2011 Mercedes R-Class Owner's Manual - Page 186

184 Driving systems is opened and will continue after the door is closed again. Driving and parking ! When driving in very poor road conditions, select a high vehicle level in good time. Make sure that there is always sufficient ground clearance to prevent damage to the vehicle. ! Remove the key from the ignition lock before raising the vehicle completely, e.g. with a vehicle lift. Basic settings Select raised level for very poor road conditions (Y page 184) or highway level for normal road conditions (Y page 185). The vehicle is automatically lowered to highspeed level when you: Rdrive Rdrive X Start the engine. Press button :. Indicator lamp ; flashes. The vehicle rises to raised level. Indicator lamp ; is not lit: X faster than 70 mph (112 km/h) at speeds between 60 mph (96 km/h) and 70 mph (112 km/h) for approximately 20 seconds. The individual vehicle levels differ from highway level as follows: R+1.97 R+/-0 While the adjustment is taking place, a message appears in the multifunction display, e.g.: in (+ 50 mm) in raised level in (+/-0 mm) in highway level R-0.78 in (-20 mm) in high-speed level i The high-speed level is not available if you are towing a trailer. Observe the notes on driving with a trailer (Y page 193). i Observe speed limits. Drive carefully and at an appropriate speed. Raised level Only select raised level if this is appropriate for the road conditions. Otherwise, fuel consumption may increase and handling may be affected. If you select raised level at a speed above 40 mph (64 km/h), the Level Selection Not Permitted message appears in the multifunction display. If you press the V, U, * or & button on the multifunction steering wheel, the message will disappear. Once the vehicle has reached raised level, indicator lamp ; remains lit. A message appears in the multifunction display for approximately five seconds, e.g.: The vehicle level is automatically set to highway level if you are driving faster than 25 mph (40 km/h).