TSB: MERCEDES-BENZ A220, AMG A35, AMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG G63, AMG GLA45, AMG GLB35, AMG GLC63, AMG GLC63 S, AMG GLE63, AMG GT, AMG GT S, AMG GT53, AMG GT63, AMG GT63S, AMG SL63, AMG SLC43, CLA250, GLB200, GLB250, MERCEDES-BENZ (2019–2020)
Bulletin LI54.21-P-070658 — December 17, 2019
Bulletin Details
| Bulletin ID | LI54.21-P-070658 |
| Manufacturer | MERCEDES-BENZ |
| Models | A220, AMG A35, AMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG G63, AMG GLA45, AMG GLB35, AMG GLC63, AMG GLC63 S, AMG GLE63, AMG GT, AMG GT S, AMG GT53, AMG GT63, AMG GT63S, AMG SL63, AMG SLC43, CLA250, GLB200, GLB250, MERCEDES-BENZ |
| Model Years | 2019–2020 |
| Date Issued | December 17, 2019 |
| Date Added to NHTSA | July 27, 2020 |
| Component | ELECTRICAL SYSTEM |
| Vehicles Affected | 56 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
A fixed SRS message is displayed in the instrument cluster. Cause is not safety-relevant and does not affect function of safety systems.
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| MERCEDES-BENZ | A220 | 2020 | 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| MERCEDES-BENZ | A220 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | A220 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG A35 | 2020 | 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| MERCEDES-BENZ | AMG A35 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG A35 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG C43 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG C43 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG C63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG C63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG C63 S | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG C63 S | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG CLA35 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG CLA35 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG CLA45 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG CLA45 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG CLS53 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG CLS53 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG E53 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG E53 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG G63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG G63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLA45 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GLA45 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLB35 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GLB35 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLC63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GLC63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLC63 S | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GLC63 S | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLE63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GLE63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GT | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GT | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GT S | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GT S | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GT53 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GT53 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GT63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GT63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG GT63S | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG GT63S | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG SL63 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG SL63 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | AMG SLC43 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | AMG SLC43 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | CLA250 | 2020 | 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| MERCEDES-BENZ | CLA250 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | CLA250 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | GLB200 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | GLB200 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | GLB250 | 2020 | 110000 ELECTRICAL SYSTEM |
| MERCEDES-BENZ | GLB250 | 2020 | 140000 AIR BAGS |
| MERCEDES-BENZ | A220 | 2019 | 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| MERCEDES-BENZ | MERCEDES-BENZ | — | 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| MERCEDES-BENZ | MERCEDES-BENZ | — | 350000 EQUIPMENT |
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 (LI54.21-P-070658) 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.