NHTSA Service Bulletin 10209878: 2019-2022 Mercedes-benz Amg G63
Official manufacturer communication context for 2019-2022 Mercedes-benz Amg G63, 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 It may not be possible to unlock the vehicle with the key. There may also be a complaint regarding water entry at the roof. Fault codes that concern the antenna module may be stored in the fault memory of the KEYLESS-GO control unit. Cause A crack may have developed in the roof panel at the rear left roof luggage carrier pan (see picture 1) which may lead to water entry and a possible unexpected behavior of the radio remote control function of the central locking system. Remedy Follow prescribed procedures.
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 10209878?
Complaint It may not be possible to unlock the vehicle with the key. There may also be a complaint regarding water entry at the roof. Fault codes that concern the antenna module may be stored in the fault memory of the KEYLESS-GO control unit. Cause A crack may have developed in the roof panel at the rear left roof luggage carrier pan (see picture 1) which may lead to water entry and a possible unexpected behavior.
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.
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