Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 377

Trailer tow hitch
374
Example: anchorage points for the trailer tow hitch
Anchorage points
:
Overhang dimension
;
Rear axle centre line
=
For trailer tow hitches fitted at the factory, the
overhang dimension including protective cov-
ering is 1,058 mm.
Trailer loads
Permissible trailer load,
unbraked
Permissible trailer load,
14
braked
Maximum drawbar nose-
15
weight
Permissible rear axle
load when towing a trailer
At a minimum gradient-climbing capability of 12% from a standstill.
14
15 The drawbar noseweight is not included in the trailer load.
All models
750 kg
2000 kg
80 kg
1410 kg