NHTSA Service Bulletin 11029045: 2025 Mercedes-benz G 550
Official manufacturer communication context for 2025 Mercedes-benz G 550, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Complaint Wind noises from the area of the A-pillars on driver's and/or front passenger side. Cause Depending on the clamping force of the door joint seal on the A-pillar, air swirls may occur at high speeds which cause the seal to vibrate. The door adjustment and the flushness to the A-pillar increase this problem. Remedy To narrow down the cause: As shown in picture 1, mask off the door joint in the area of the A-pillar on the driver and passenger sides, then perform a test drive. If the wind noise can no longer be reproduced, replace the installed door joint seal with the optimized door joint seal. However, if wind noise is still audible, the affected door can be adjusted. To do this, proceed as follows: Check the joint of the driver's and front passenger door all-round for gap dimensions and flushness to the adjacent paneling and, if necessary, adjust. The flushness can be adjusted using the hinges. The doors should tend to be further inwards than the A-pillar so that the airstream is conveyed past it. A tolerance of -2 mm is permissible and should be utilized. (see picture 2)
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 11029045?
Complaint Wind noises from the area of the A-pillars on driver's and/or front passenger side. Cause Depending on the clamping force of the door joint seal on the A-pillar, air swirls may occur at high speeds which cause the seal to vibrate. The door adjustment and the flushness to the A-pillar increase this problem. Remedy To narrow down the cause: As shown in picture 1, mask off the door joint in the area of the.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
Get Full Report