Mercedes-Benz GLS 2020 Operator's Manual page 506

504 Technical data
Permissible trailer load
The tongue weight is not included in the towing
capacity.
Missing values were not available at the time of
going to press.
Permissible towing capacity, braked (at a
minimum start-off gradeability of 12%)
Model Permissible towing
capacity, braked
GLC 300
GLC 300 4MATIC
Permissible towing capacity, unbraked
Model Permissible towing
capacity, unbraked
GLC 300
GLC 300 4MATIC
Maximum tongue weight
* NOTE Damage caused by the trailer
coming loose
If the tongue weight used is too low, the
trailer may come loose.
The tongue weight must not be below
#
110.2 lbs (50 kg).
Use a tongue weight that is as close as
#
possible to the maximum permissible
tongue weight.
Missing values were not available at the time of
going to press.
Maximum tongue weight
Model
GLC 300
GLC 300 4MATIC
Permissible rear axle load (trailer operation)
Missing values were not available at the time of
going to press.
Axle load
Model
GLC 300
GLC 300 4MATIC
Maximum
tongue
weight
Axle load