Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ERKUL Roof Rack Cross Bars. These crossbars are designed specifically for Mercedes Benz GLS Class models from 2020 to 2025, featuring aluminum construction with an anti-theft locking system. They are engineered for silent performance and have a load capacity of 165 LBS, supporting various rooftop gear.
Compatibility Note: These crossbars are compatible with vehicles equipped with raised roof rails (where there is a gap between the roof and the roof rail). They are not compatible with flush roof rails, bare roofs, fixed points, or flush roof rails without a groove. They are also not compatible with sunroofs.
What's Included
Upon unboxing, please ensure all components are present:
- Front Cross Bar
- Rear Cross Bar
- Keys (for anti-theft lock)
- All Necessary Mounting Hardware
- Instructions (this manual)

Image: All components included in the ERKUL Roof Rack Cross Bars package.
Important Notes Before Installation
- Vehicle Specific: These crossbars are vehicle specific, and bar lengths vary by model. Do not cut the bars or scrape the plastic headers.
- Bar Lengths: If one bar is longer than the other, the front of your vehicle is wider than the back. In this case, install the longer bar on the front and the shorter bar on the rear.
- Proper Insertion: Ensure crossbars are fully inserted into the mount. Failure to do so may decrease the bars' carrying capacity.
- Protective Sticker: Remove the protective sticker from the top and bottom of the bar before use.
- Rubber Side Orientation: The rubber side of the bar must face upwards.
- Bracket Identification: Refer to the individual brackets, marked 'L' for left and 'R' for right.
- Bar Orientation: The thick side of the bar should face the front of the vehicle.

Image: Visual guide for selecting the correct product variant.

Image: Visual guide for roof rail compatibility.

Image: Key features of the crossbars including anti-theft lock, aerodynamic design, and T-track installation.
Installation Guide
For a comprehensive visual guide, please refer to the official installation video provided by ERKUL AUTO. This video demonstrates the step-by-step process for mounting the crossbars securely.
Video: ERKUL Roof Rack Cross Bars - Unboxing & Installation Skybar V1. This video provides a detailed visual walkthrough of the installation process, from unboxing to final securement.
Key Installation Steps:
- Prepare the Bars: Remove the protective film from both the top and bottom channels of each crossbar. Ensure the rubber strip is facing upwards.
- Insert Mounts: Slide the mounting brackets into the ends of the crossbars. Ensure the bar is inserted fully into the mount, leaving a small gap (1-2 cm) depending on your roof placement.
- Identify Front/Rear: Determine which crossbar is for the front and which is for the rear. The longer bar (if applicable) should be placed at the front of the vehicle. The thick side of the bar should face the front.
- Position on Roof Rails: Carefully place the assembled crossbars onto your vehicle's raised roof rails. Ensure they are centered and aligned.
- Secure the Mounts: Use the provided tool to tighten the screws on the mounting brackets. Tighten until the crossbars are firmly secured to the roof rails. Do not overtighten.
- Lock for Security: Once installed and tightened, use the provided keys to lock the anti-theft covers on each mounting bracket. This secures the crossbars and prevents unauthorized removal.

Image: Easy installation with ERKUL animation videos, accessible via QR code. (QR code links to: http://q-r.ltd/7d263)
Operating Instructions
Your ERKUL Roof Rack Cross Bars provide a sturdy and versatile platform for transporting various items. With a load capacity of 165 LBS, they are suitable for:
- Kayaks and Canoes
- Bicycles (with appropriate bike carriers)
- Skis and Snowboards (with appropriate ski carriers)
- Luggage and Cargo Boxes
- Fishing and Camping Gear
- Surfboards
Always ensure that items are securely fastened to the crossbars using appropriate tie-downs or carriers. Distribute weight evenly and adhere to the maximum load capacity to ensure safe travel.

Image: Examples of versatile uses for the crossbars, including carrying kayaks, bikes, skis, and luggage.
Maintenance
Regular maintenance will ensure the longevity and optimal performance of your ERKUL Roof Rack Cross Bars:
- Cleaning: Periodically clean the crossbars with a soft cloth and mild soap. Rinse thoroughly and dry to prevent water spots or corrosion.
- Inspection: Before each use, inspect all mounting points, screws, and locking mechanisms to ensure they are secure and free from damage.
- Tightness Check: Re-check the tightness of all fasteners periodically, especially after the first few uses and before long trips.
- Storage: If removing the crossbars for extended periods, store them in a dry, protected area to prevent exposure to harsh weather conditions.
Troubleshooting
If you encounter any issues during installation or use, consider the following:
- Difficulty Fitting: Double-check that you have the correct crossbar model for your specific Mercedes Benz GLS Class year (2020-2025) and that your vehicle has raised roof rails. Ensure the longer bar is at the front if applicable, and the thick side faces forward.
- Loose Bars: Re-tighten all mounting screws. Ensure the bars are fully inserted into the mounts.
- Noise During Travel: Verify that the crossbars are installed correctly and securely. The aerodynamic design is intended to minimize noise, but improper installation can lead to wind noise. Ensure the rubber strip is properly seated.
- Anti-Theft Lock Issues: Ensure the key is fully inserted and turned correctly. Do not force the lock.
If problems persist, please contact ERKUL AUTO customer support for assistance via your shopping channel.
Specifications
| Feature | Detail |
|---|---|
| Brand | ERKUL |
| Model | SKYBAR V1 |
| Item Weight | 7.78 pounds |
| Package Dimensions | 41.5 x 6.5 x 4.75 inches |
| Country of Origin | Turkey |
| Exterior Finish | Anodized Coating |
| Load Capacity | 165 Pounds |
| Mounting Type | Power Grip |
| Color | Black |
Warranty and Support
ERKUL AUTO stands behind the quality of its products. For specific warranty details, please refer to the documentation included with your purchase or contact customer support.
- Returns: The product is eligible for a 30-day free return.
- Installation Support: For any installation queries or assistance, please utilize the support lines available through your shopping channel.
- Official Manual: An official Installation Manual is also available in PDF format for download.






