NHTSA Service Bulletin 11017498: 2023, 2024 Mercedes-benz Amg C43
Official manufacturer communication context for 2023, 2024 Mercedes-benz Amg C43, 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 Dull thumping noise or ticking noise under the vehicle in the area of the engine/two-mass flywheel/transmission. Is significantly perceptible at the front right wheel well and can also be faintly heard in the vehicle interior. Cause The ticking noise occurs in idle operation in drive program C & S at 780 rpm when the state of charge of the battery is\ over 65% and the load requirement at the belt-driven starter alternator is simultaneously over 25 Nm. The load requirement can occur due to a number of auxiliary consumers (e.g. air conditioning system, steering wheel or seat heating, etc.). Remedy Switch off the auxiliary consumers and check whether the noise goes away. Remedial action by means of software update under development. Do not replace any parts 1.If the vehicle has less than 2,000 miles: This is a normal run in period feature and will go away after the odometer has reached 2,000 miles. 2.If the vehicle has more than 2,000 miles: Create TIPS case and send to HQ together with the following documents: Videos of the problem from the exterior and in the vehicle interior Control unit log, engine N3/10 (ME) Control unit log, drivetrain N127 (PTCU) Control unit log, DC/DC converter N83/12 (DDW) Control unit log, 48 V battery G1/13 (48 V LIB) Control unit log, electronic ignition lock N73 (EZS)
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 11017498?
Complaint Dull thumping noise or ticking noise under the vehicle in the area of the engine/two-mass flywheel/transmission. Is significantly perceptible at the front right wheel well and can also be faintly heard in the vehicle interior. Cause The ticking noise occurs in idle operation in drive program C & S at 780 rpm when the state of charge of the battery is\ over 65% and the load requirement at the belt-driven.
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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