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 IDLI46.11-P-071594
ManufacturerMERCEDES-BENZ
ModelsA220, 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 Years2016–2021
Date IssuedAugust 7, 2020
Date Added to NHTSAMay 3, 2021
ComponentSTEERING
Vehicles Affected106 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

MakeModelYearComponent
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

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 (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.