Mercedes-Benz GL-Class: Checking and adding other serviceproducts - Engine compartment - Maintenance and care - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Checking and adding other serviceproducts

Adding engine oil
Environmental note When adding oil, take care not to spill any. If oil enters the soil or waterways, it is harmful to the environment. WARNING   If engine oil comes into contact with ho ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. ► Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, ...

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Notes on towing a trailer
Important safety notes WARNING   When towing a trailer, incorrect equipment and driving style could cause you to lose control of the vehicle. Towing incorrectly or not observing this O ...

Horn
To sound the horn, press the center pad on the steering wheel. ...

Important safety notes
We recommend that all infants and children be properly secured in an infant or child restraint system at all times while the vehicle is in motion. The use of seat belts and infant and child res ...