Mercedes-Benz GL-Class 2013 Owners Manual - Manual (Page 451)

Trailer loads
Trailer loads, trailer drawbar noseweights and axle loads
Missing values were not available at time of going to print.
All models
Permissible trailer load, unbraked
Permissible trailer load, braked (at a minimum gradient-
climbing capability of 12% from a standstill)
7500 lbs (3402 kg)
Maximum drawbar noseweight (the drawbar
noseweight is not included in the trailer load)
600 lbs (272 kg)
Permissible rear axle load when towing a trailer 3970 lbs (1800 kg)
Ball position
Ball position of the ball coupling
When choosing a ball coupling, the
dimensions stated in the illustration must not
be exceeded.
Trailer tow hitch
449
Technical
data
Z