TSB: MERCEDES-BENZ AMG C63, AMG C63 S, AMG E63, AMG E63 S, AMG E63S, AMG G63, AMG GLC63, AMG GLC63 S, AMG GLE63 S, AMG GLS63, AMG GT 63, AMG GT C, AMG GT R, AMG GT S, AMG GT63, AMG GT63 S, AMG GT63S, AMG S63, AMG SL55, AMG SL63, G550, G63, GLC63, GLE580, GLS580, GLS600, MAYBACH GLS600, S560, S560E, S580, S580E (2020–2024)

Bulletin EW-EngineThermSW — December 1, 2023

Bulletin Details

Bulletin IDEW-EngineThermSW
ManufacturerMERCEDES-BENZ
ModelsAMG C63, AMG C63 S, AMG E63, AMG E63 S, AMG E63S, AMG G63, AMG GLC63, AMG GLC63 S, AMG GLE63 S, AMG GLS63, AMG GT 63, AMG GT C, AMG GT R, AMG GT S, AMG GT63, AMG GT63 S, AMG GT63S, AMG S63, AMG SL55, AMG SL63, G550, G63, GLC63, GLE580, GLS580, GLS600, MAYBACH GLS600, S560, S560E, S580, S580E
Model Years2020–2024
Date IssuedDecember 1, 2023
Date Added to NHTSAJanuary 3, 2024
ComponentENGINE AND ENGINE COOLING
Vehicles Affected148 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

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the engine thermostat (including s

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ AMG SL55 2024 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL55 2024 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG SL63 2024 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL63 2024 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 S 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 S 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG E63 S 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 S 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLC63 S 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 S 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLE63 S 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLE63 S 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLS63 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLS63 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63 S 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63 S 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG SL55 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL55 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG SL63 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL63 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLE580 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE580 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLS580 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLS580 2023 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH GLS600 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH GLS600 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLS600 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLS600 2023 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH S580 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH S580 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S580 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S580 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S580E 2023 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S580E 2023 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 S 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 S 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG G63 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG G63 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLE63 S 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLE63 S 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLS63 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLS63 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG SL55 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL55 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG SL63 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SL63 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ G550 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLE580 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE580 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLS580 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLS580 2022 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH GLS600 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH GLS600 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S580 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S580 2022 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH S580 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH S580 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 S 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG E63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG E63S 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG G63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG G63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLC63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLC63 S 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLE63 S 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLE63 S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLS63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLS63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT C 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT C 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63S 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG S63 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG S63 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ G550 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLE580 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE580 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLS580 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLS580 2021 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH GLS600 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH GLS600 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ MAYBACH GLS600 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ MAYBACH GLS600 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S560 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S560 2021 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH S560 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH S560 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S580 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S580 2021 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH S580 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH S580 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG C63 S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG C63 S 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG E63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG E63S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63S 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG G63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG G63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLC63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLC63 S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 S 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLS63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLS63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT 63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT 63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT C 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT C 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT R 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT R 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT S 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GT63S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GT63S 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG S63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG S63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ G550 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ G63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLC63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLE580 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE580 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLS580 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLS580 2020 110000 ELECTRICAL SYSTEM
MERCEDES-MAYBACH S560 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-MAYBACH S560 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ S560E 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S560E 2020 110000 ELECTRICAL SYSTEM

Related MERCEDES-BENZ Recalls

CampaignModelYearComponentSummary
GLC 300 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
E 450 4MATIC 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
AMG GT43 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
AMG GLC63 S E 4MATIC+ COUPE 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
E 450 4MATIC 2024 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MERCEDES-BENZ dealer. Bring this bulletin ID (EW-EngineThermSW) 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.