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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Fluid level checks
NOTICE Check the engine oil weekly. If any significant or sudden drop in oil level is noted, seek qualified assistance. If the message ENGINE OIL PRESSURE LOW is displayed, stop the engine as ...

Filling a Portable Fuel Container
WARNING Never fill a portable fuel container while it is in the vehicle. Static electricity discharge from the container can ignite the fuel vapor. You can be badly burned and the vehicle damaged ...

What to Use
Refer to Recommended Fluids and Lubricants   to determine what kind of lubricant to use. ...