Mercedes-Benz GL-Class: Switching the seat ventilation on/off - Seats - Seats, steering wheel and mirrors - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Switching the seat ventilation on/off

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 e ...

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. ► Make sure that ...

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Driver override options
Hill Descent Control (HDC) is automatically engaged for some terrain response programs. If required, HDC can be deselected or engaged independently of terrain response. The HDC status will be dis ...

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNI ...

Welcome light
To activate or deactivate the welcome light function, perform the following procedure. 1. Push the ignition switch to the ON position. 2. Open the driver’s side door. 3. Within 20 second ...