Mercedes-Benz GL-Class: Maintenance - Maintenance and care - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Maintenance

Brake fluid level
If you notice that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or less, check the brake system immediately for leaks. Also check the thickness of the brake lini ...

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System self-test
The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indica ...

Emergency engine shut off
To shut off the engine in an emergency situation while driving, perform the following procedure: ► Rapidly push the push-button ignition switch 3 consecutive times in less than 1.5 sec ...

High beam (blue)
Illuminates when the high beam headlamps are switched on or flashed. ...