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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Auto high beam
This feature automatically selects and deselects high beam, under specific conditions of road lighting and in the absence of other vehicle’s lights. The system is only active when the ambient li ...

Connecting booster cables
WARNING Always wear appropriate eye protection when working with batteries. Make sure both batteries are of the 12 volt type and that the booster cables have insulated clamps and are approved ...

Brake temperature
In extreme circumstances, the HDC system may cause brake temperatures to exceed their pre-set limits. If this occurs the warning HDC TEMPORARILY UNAVAILABLE will be displayed in the message center ...