Mercedes-Benz GL-Class: Roof carrier - Stowage areas - Stowing and features - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Roof carrier

Important safety notes

WARNING Only use carriers when the crossbars have 
Only use carriers when the crossbars have been completely mounted. The left and right roof rails are only stabilized by means of the crossbars mounted.
Follow the manufacturer's installation instructions. Otherwise, an improperly attached carrier or its load could become detached from the vehicle.
Do not exceed the maximum roof load of 198 lb (90 kg).
Take into consideration that when the roof is loaded, the handling characteristics are different from those when operating the vehicle without the roof loaded.

only use roof carriers that have been tested Mercedes-Benz recommends that you only use roof carriers that have been tested and approved for Mercedes-Benz vehicles.

This helps to prevent damage to the vehicle.

Position the load on the roof carrier in such a way that the vehicle will not sustain damage even when it is in motion.

Depending on the vehicle equipment, ensure that when the roof carrier is installed you can:

raise the sliding sunroof fully
open the tailgate fully

Telescopic rod
The telescopic rod can be used to secure the load against the rear seats to prevent it from moving around. ► Insert one mounting element 2 into each loading rail. ► Turn mounting el ...

Attaching the roof carrier
► Secure the roof carrier to roof rails 1. ► Observe the manufacturer's installation instructions. ...

See also:

Checking the tire pressures
Important safety notes WARNING   Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling ...

Engine protection mode
The engine has an engine protection mode to reduce the chance of damage if the coolant temperature becomes too high (for example, when climbing steep grades in high temperature with heavy load ...

Tire labeling overview
The following markings are on the tire in addition to the tire name (sales designation) and the manufacturer's name: 1 Uniform Tire Quality Grading Standard 2 DOT, Tire Identification Number 3 ...