TSB: MERCEDES-BENZ AMG EQE, AMG EQS, AMG EQS 53, AMG EQS53, AMG SL43, AMG SL55, AMG SL63, C300, EQE 350, EQE 350+, EQE 500, EQE350, EQE350+, EQE500, EQS 450, EQS 450+, EQS 580, EQS450, EQS450+, EQS580, GLC300, S500, S560, S580, S580E, S680 (2021–2024)
Bulletin NCU-OTA MBUX SW — January 24, 2024
Bulletin Details
| Bulletin ID | NCU-OTA MBUX SW |
| Manufacturer | MERCEDES-BENZ |
| Models | AMG EQE, AMG EQS, AMG EQS 53, AMG EQS53, AMG SL43, AMG SL55, AMG SL63, C300, EQE 350, EQE 350+, EQE 500, EQE350, EQE350+, EQE500, EQS 450, EQS 450+, EQS 580, EQS450, EQS450+, EQS580, GLC300, S500, S560, S580, S580E, S680 |
| Model Years | 2021–2024 |
| Date Issued | January 24, 2024 |
| Date Added to NHTSA | February 1, 2024 |
| Component | ELECTRICAL SYSTEM |
| Vehicles Affected | 47 combinations |
What is a TSB?
A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.
If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.
Summary
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, EQE, EQS, GLC, S-Class, and SL (206, 294, 295, 296, 297, 254, 223, and 232 platform) vehicles, there is a
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| MERCEDES-BENZ | AMG EQE | 2024 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQS | 2024 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE 350+ | 2024 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE500 | 2024 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | GLC300 | 2024 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQE | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQS | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQS 53 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL43 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL55 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL63 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | C300 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE 350 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE 350+ | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE 500 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE350 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE350+ | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQE500 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS 450 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS 450+ | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS 580 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS450 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS450+ | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS580 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | GLC300 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S500 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-MAYBACH | S580 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S580 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S580E | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-MAYBACH | S680 | 2023 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQS | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG EQS53 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL43 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL55 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SL63 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | C300 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS 450+ | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS450 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | EQS580 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S500 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-MAYBACH | S580 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S580 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-MAYBACH | S680 | 2022 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S500 | 2021 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S560 | 2021 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | S580 | 2021 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-MAYBACH | S580 | 2021 | 110000 ELECTRICAL SYSTEM |
Related MERCEDES-BENZ Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized MERCEDES-BENZ dealer. Bring this bulletin ID (NCU-OTA MBUX SW) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.
Frequently Asked Questions
A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.
If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.
Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.
This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.