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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Reclining Seatbacks (Bucket Seats Only)
On vehicles with second row bucket seats, the seatbacks can be reclined. To recline the seatback: 1. Lift the lever on the outboard side of the seat. 2. Move the seatback to the desired position, ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...

Refrigerant of the air-conditioningsystem
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condition ...