NHTSA service bulletin

NHTSA Service Bulletin 11005344: 2015-2024 Mercedes Benz Amg C43

Official manufacturer communication context for 2015-2024 Mercedes Benz Amg C43, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11005344 summary graphic for 2015-2024 Mercedes Benz Amg C43
11005344NHTSA document ID
Warranty program / extensioncommunication type
70affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G-TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been developed and integrated into XENTRY Diagnosis. This ensures an automated diagnosis process. Cause As part of the on-going quality monitoring process and associated quality and damaged part appraisals, a high number of ineffective repairs have been discovered. Such ineffective repairs have a negative impact on all those involved. For the customer, it means high costs and long repair times and for the dealer, it may result in the warranty claim being rejected. Remedy General note: IPR is available for: NAG3 Classic (automatic transmission 725.0) NAG3 - AMG sports models (AMG 43 and AMG 53 with converter) NAG3 - AMG 63 NAG3 - Hybrid

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

MakeModelModel yearsBuyer note
Mercedes BenzC 300 4matic2018Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C432016-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cls532019-2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg E432017, 2018Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg E532019-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Glc432017-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle432017-2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle532021-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gt432021-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gt532019-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gt53e2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Slc432017-2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzC 3002018-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzC 350 E2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzC3002017Ask for service records and run the exact VIN before purchase.
Mercedes-benzCls 4502019-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzCls 5502016, 2018Ask for service records and run the exact VIN before purchase.
Mercedes-benzCls5502015, 2017Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11005344?

Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G-TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been developed and integrated into XENTRY Diagnosis. This ensures an automated diagnosis process. Cause As part of the on-going.

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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