TSB: MERCEDES-BENZ A220, AMG A35, AMG GLC43, AMG GLC63, AMG GLE43, AMG GLE63, B180, B200, B220, C300, C350, C350E, CLA250, E350, E350E, E450, E63 AMG, GLA250, GLB200, GLB250, GLC300, GLC350, GLC350E, GLC63, GLC63S AMG, GLE350, GLE350 E, GLE350E, GLE450, GLE580, S450, S550, S560, S560E, S580, S65 AMG (2016–2021)
Bulletin LI46.11-P-071594 — August 7, 2020
Bulletin Details
| Bulletin ID | LI46.11-P-071594 |
| Manufacturer | MERCEDES-BENZ |
| Models | A220, AMG A35, AMG GLC43, AMG GLC63, AMG GLE43, AMG GLE63, B180, B200, B220, C300, C350, C350E, CLA250, E350, E350E, E450, E63 AMG, GLA250, GLB200, GLB250, GLC300, GLC350, GLC350E, GLC63, GLC63S AMG, GLE350, GLE350 E, GLE350E, GLE450, GLE580, S450, S550, S560, S560E, S580, S65 AMG |
| Model Years | 2016–2021 |
| Date Issued | August 7, 2020 |
| Date Added to NHTSA | May 3, 2021 |
| Component | STEERING |
| Vehicles Affected | 106 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
Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Should the quick test carried out after the software update stil
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| MERCEDES-BENZ | A220 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | C300 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | CLA250 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | E350 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | E350E | 2021 | 010000 STEERING |
| MERCEDES-BENZ | E450 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLA250 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLB250 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLC300 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLC350E | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLE350 | 2021 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLE350 | 2021 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLE350 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLE350E | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLE450 | 2021 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLE450 | 2021 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLE450 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | GLE580 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | S560 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | S580 | 2021 | 010000 STEERING |
| MERCEDES-BENZ | A220 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | A220 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | A220 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | AMG A35 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG A35 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC43 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC43 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLE43 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLE43 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | C300 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | C300 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | C300 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | C350 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | C350 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | C350 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | C350E | 2020 | 010000 STEERING |
| MERCEDES-BENZ | CLA250 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | E350 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | E450 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | E63 AMG | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLA250 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLB200 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLB250 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLC300 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC300 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC300 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLC350 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLC350E | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLC63 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLE350 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLE350 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLE350 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLE350 E | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLE450 | 2020 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLE450 | 2020 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLE450 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | GLE580 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | S450 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | S550 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | S560 | 2020 | 010000 STEERING |
| MERCEDES-BENZ | S560E | 2020 | 010000 STEERING |
| MERCEDES-BENZ | S65 AMG | 2020 | 010000 STEERING |
| MERCEDES-BENZ | A220 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | A220 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC43 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC43 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC63 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC63 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLE63 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLE63 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | B180 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | B180 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | B200 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | B200 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | B220 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | B220 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC300 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC300 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC350E | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC350E | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC63 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC63 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC63S AMG | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC63S AMG | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLE350 | 2019 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLE350 | 2019 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC43 | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC43 | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC63 | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC63 | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC300 | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC300 | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC350E | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC350E | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC63 | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC63 | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC63S AMG | 2018 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC63S AMG | 2018 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC43 | 2017 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC43 | 2017 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC300 | 2017 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC300 | 2017 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | AMG GLC43 | 2016 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | AMG GLC43 | 2016 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
| MERCEDES-BENZ | GLC300 | 2016 | 011000 STEERING: STEERING WHEEL/HANDLE BAR |
| MERCEDES-BENZ | GLC300 | 2016 | 012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER |
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 (LI46.11-P-071594) 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.