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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Recreational Vehicle Towing
If the vehicle is a hybrid, see the hybrid supplement for more information. Recreational vehicle towing means towing the vehicle behind another vehicle – such as behind a motorhome. The two most c ...

Tire pressures
Never drive your vehicle if the tire pressures are incorrect. Under-inflation causes excessive flexing and uneven tire wear. This can lead to sudden tire failure. Over-inflation causes harsh ride, ...

Conventional (fixed speed) cruise control mode
This mode allows driving at a speed between 25 to 90 MPH (40 to 144 km/h) without keeping your foot on the accelerator pedal. WARNING ► In the conventional (fixed speed) cruise contr ...