2011 Mercedes GL-Class Owner's Manual - Page 107
2011 Mercedes GL-Class Manual
Page 107 highlights
Steering wheel The system automatically switches down from level 2 to level 1 after approximately ten minutes. The system automatically switches off approximately 20 minutes after it is set to level 1. X Make sure that the key is in position 2 in the ignition lock. X To switch on: press button : repeatedly until the desired heating level is set. X To switch off: press button : repeatedly until all the indicator lamps go out. 105 X Problems with the seat heating If one or all of the indicator lamps in the seat heating button are flashing, the seat heating has switched off automatically. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. X Make sure that the key is in position 2 in the ignition lock. X To switch on: press button : repeatedly until the desired ventilation level is set. i You can open the side windows and the tilt/sliding sunroof with the key (Y page 86). The seat ventilation of the driver's seat automatically switches to the highest level. X Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting. Once the battery is sufficiently charged, the seat heating will switch back on automatically. To switch off: press button : repeatedly until all the indicator lamps go out. Problems with the seat ventilation If one or all of the indicator lamps in the seat ventilation button are flashing, the seat ventilation has switched off automatically. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. X Switching the seat ventilation on/off Switching on/off The three blue indicator lamps in the buttons indicate the ventilation level you have selected. i If the battery voltage is too low, the seat ventilation may switch off. Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting. Once the battery is sufficiently charged, the seat ventilation will switch back on automatically. Steering wheel Important safety notes G Warning Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving, or Z Seats, steering wheel and mirrors