TSB: MERCEDES-BENZ AMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG E53 S, AMG E63, AMG E63S, AMG GT, AMG GT43, AMG GT53, AMG GT63, AMG GT63S, CLS450, E350, E350E, E450, EQC400E (2021)

Bulletin NCU2021090004 — September 17, 2021

Bulletin Details

Bulletin IDNCU2021090004
ManufacturerMERCEDES-BENZ
ModelsAMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG E53 S, AMG E63, AMG E63S, AMG GT, AMG GT43, AMG GT53, AMG GT63, AMG GT63S, CLS450, E350, E350E, E450, EQC400E
Model Years2021
Date IssuedSeptember 17, 2021
Date Added to NHTSAJanuary 3, 2022
ComponentSTRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
Vehicles Affected40 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

Mounting support could be cracked.

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ AMG C43 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG C43 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG C63 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG C63 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG C63 S 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG C63 S 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG CLA35 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG CLA35 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG CLA45 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG CLA45 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG CLS53 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG CLS53 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG E53 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG E53 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG E53 S 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG E53 S 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG E63 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG E63 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG E63S 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG E63S 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG GT 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG GT 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG GT43 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG GT43 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG GT53 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG GT53 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG GT63 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ AMG GT63 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG GT63S 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ AMG GT63S 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ CLS450 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ CLS450 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ E350 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ E350 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ E350E 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ E350E 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ E450 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT
MERCEDES-BENZ E450 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ EQC400E 2021 980000 UNKNOWN OR OTHER
MERCEDES-BENZ EQC400E 2021 162820 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS:SUPPORT DEVICE/STRUT

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 (NCU2021090004) 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.