2011 Mercedes R-Class Owner's Manual - Page 231
2011 Mercedes R-Class Manual
Page 231 highlights
Display messages Display messages Blind Spot Assist Currently Unavailable See Operator's Manual Possible causes/consequences and M Solutions Blind Spot Assist is temporarily inoperative if: Rthe sensors are dirty. Rits function is impaired due to heavy rain or snow. Rthe radar sensor system is outside the operating temperature range. Rthe radar sensor system is temporarily inoperative, e.g. due to electromagnetic radiation emitted by nearby TV or radio stations or other sources of electromagnetic radiation. Rthe on-board voltage is too low. The yellow 9 indicator lamps also light up in the exterior mirrors. Blind Spot Assist is operational again and the display message disappears when: Rthe dirt (e.g. slush) drops away while the vehicle is in motion. Rthe system detects that the sensors are fully available again. Rthe radar sensor system is back within the operating temperature range. If the display message continues to be displayed: X X 229 Clean the sensors (Y page 287). Restart the engine. Blind Spot Assist Inoperative Blind Spot Assist is faulty. The yellow 9 indicator lamps also light up in the exterior mirrors. X Visit a qualified specialist workshop. Cruise control is faulty. X Visit a qualified specialist workshop. A condition for activating cruise control has not been met. You wanted to save a speed of less than 20 mph (30 km/h). X If the situation allows, drive faster than 20 mph (30 km/h) and save the speed. X Check the activation conditions for cruise control (Y page 173). An activation condition for DISTRONIC is not fulfilled. X If the situation allows, drive faster than 20 mph (30 km/h) and save the speed. X Cruise Control Inoperative Cruise Control --- mph DISTRONIC --- MPH Check activation conditions for DISTRONIC (Y page 175). Z On-board computer and displays