Mercedes-Benz GL-Class: Trailer towing - Driving and parking - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Trailer towing

Engaging the differential locks
Pull away slowly when the differential locks are activated. Function or performance tests may only be performed on a 2-axle dynamometer. If you wish to operate the vehicle on such a dynamomet ...

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 ...

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Tow mode switch
TOW MODE should be used when pulling a heavy trailer or hauling a heavy load. Driving the vehicle in TOW MODE with no trailer/load or light trailer/light load will not cause any damage. Howe ...

Roof
Sunroof A. Open or Close B. Vent On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See ...

Push-button ignition switch
WARNING Do not operate the push-button ignition switch while driving the vehicle except in an emergency. (The engine will stop when the ignition switch is pushed 3 consecutive times or the ...