Mercedes-Benz GL-Class: Steering wheel - Seats, steering wheel and mirrors - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Steering wheel

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 ...

Important safety notes
WARNING   Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving, or driving without the steering wheel adjustment feature locked could cause the driv ...

See also:

Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ad ...

Air quality sensor
Press once to activate air recirculation. Press again to activate automatic air recirculation. In automatic mode, air recirculation is regulated to achieve optimum air conditioning performance. ...

Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner. Clean rubber blades using lint-free cloth or paper towel soaked with windshield washer fluid or a mild detergent. Wash the windshield thorough ...