The Mercedes Benz GLS has an average-sized trunk volume of 16 cu ft. When going camping or on a road trip, putting a few things on the roof offers you more hauling capacity.
To avoid using restraints to secure the items in place, why not get a roof box. It will allow you to safely store your luggage while at the same time protecting them from adverse weather conditions.
Below, you will find details of the best roof boxes for your GLS.
- Best Overall - Thule Motion XT Rooftop Cargo Carrier
Table of Contents
Mercedes Benz GLS-Class Roof Box Overview








Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
The Best Roof Boxes for Mercedes Benz GLS-Class
1. Thule Motion XT Rooftop Cargo Carrier
- Roof-mounted cargo box provides 16 cubic feet of additional packing space
- Designed for optimal space efficiency, aerodynamics, and vehicle fit
- Quick-mount system "clicks" when roof box is secure and properly mounted
- Dual-side opening for quick access from either side of the car
- Easy to open and close with grip-friendly handles and supporting lid-lifters
Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
2. Malone Auto Racks Cargo Box
- Two toned ABS construction
- 16.25 cubic feet of storage space
- Three lid locking points
- Dual side opening lid
- High tensile strength reinforced base
Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
3. Thule Pulse Rooftop Large Cargo Box
- Functional rooftop cargo box provides 16 cubic feet of additional packing space
- Rugged and durable design keep contents protected
- FastGrip quick-mount system assembles in minutes
- Passenger-side opening for easy loading and unloading
- Central Locking system provides maximum safety
Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
4. SportRack Horizon Alpine Cargo Box
- 16 cubic foot (453 L) cargo capacity
- Made from rugged, impact resistant ABS material
- Passenger side opening for easy access away from traffic
- Easy to install or remove using the quick release attachment kit
- Holds 4-6 pairs of skis (up to 178 cm) or 3-4 snowboards
Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
Conclusion
By choosing one of the recommended boxes above, you can be sure you’ll be investing in a fantastic Roof Box for your Mercedes Benz GLS that will enhance your road trips for years to come.
One last thing; before installing any roof box, first read through both the carrier and car manuals highlighting the load limits to avoid damaging your vehicle or the carrier. Moreover, regularly clean the roof box for a long-lasting glow.