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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Removing the vehicle battery
WARNING Switch the ignition off before disconnecting battery terminals. Always disconnect the negative terminal first and reconnect last. Use caution when lifting the battery out of, or into, ...

Headlamp courtesy delay
This feature operates whenever the lamps master switch is left in the Auto position (4), and the ignition is turned off. The headlamps will remain illuminated for up to 240 seconds. Note: The tim ...

Trailer Brakes
A loaded trailer that weighs more than 900 kg (2,000 lbs) needs to have its own brake system that is adequate for the weight of the trailer. Be sure to read and follow the instructions for the trail ...