TSB: MERCEDES-BENZ A220, AMG A35, AMG A45, AMG CLA35, AMG CLA45, AMG GLA35, AMG GLA45, AMG GLA45 S, AMG GLB35, B180, B200, B220, CLA, CLA250, GLA250, GLB200, GLB250 (2019–2022)

Bulletin LI82.60-P-072403 — December 22, 2021

Bulletin Details

Bulletin IDLI82.60-P-072403
ManufacturerMERCEDES-BENZ
ModelsA220, AMG A35, AMG A45, AMG CLA35, AMG CLA45, AMG GLA35, AMG GLA45, AMG GLA45 S, AMG GLB35, B180, B200, B220, CLA, CLA250, GLA250, GLB200, GLB250
Model Years2019–2022
Date IssuedDecember 22, 2021
Date Added to NHTSAMay 4, 2022
ComponentELECTRICAL SYSTEM
Vehicles Affected53 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

"Model series 118, 177, and 247 with M139 engine and wi- thout code 810 - sound system volume and bass level too low "

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ A220 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA35 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA45 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLB35 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLA250 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLB250 2022 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA45 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA45 S 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLB35 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA250 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA250 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLA250 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLB250 2021 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A35 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A35 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A45 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG A45 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA35 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLA45 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG GLB35 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA250 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA250 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLA250 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLB200 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ GLB250 2020 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ A220 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ AMG CLA45 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ B180 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ B200 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ B220 2019 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ CLA250 2019 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 (LI82.60-P-072403) 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.