Mercedes-Benz 2013 GLS Class - Manual (Page 418)

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 1278 mm.
416
Trailer tow hitch
Technical data