Mercedes-Benz AMG GLC63 2017–2021 — technical service bulletin
Bulletin LI82.85-P-069381 · NHTSA communication 10187785 · issued Jan 4, 2021
Technical service bulletin
communication type
Electrical System
component
2017–2021
model years
29
vehicle entries
Official summary
The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoken or visual driving instructions. Only the destination information and the current route are shown in the MBUX multimedia system (A26/17)
Vehicles covered
- 2018 Mercedes-Benz AMG GLC63
- 2019 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz AMG GLC63
- 2018 Mercedes-Benz AMG GLC63S
- 2019 Mercedes-Benz AMG GLC63S
- 2019 Mercedes-Benz CLS 450
- 2020 Mercedes-Benz CLS 450
- 2021 Mercedes-Benz CLS 450
- 2017 Mercedes-Benz GLA 250
- 2018 Mercedes-Benz GLA 250
- 2019 Mercedes-Benz GLA 250
- 2020 Mercedes-Benz GLA 250
- 2021 Mercedes-Benz GLA 250
- 2020 Mercedes-Benz GLB 200
- 2020 Mercedes-Benz GLB 250
- 2021 Mercedes-Benz GLB 250
- 2017 Mercedes-Benz GLC
- 2018 Mercedes-Benz GLC 300
- 2019 Mercedes-Benz GLC 300
- 2020 Mercedes-Benz GLC 300
- 2021 Mercedes-Benz GLC 300
- 2017 Mercedes-Benz GLC300
- 2018 Mercedes-Benz GLC 350
- 2019 Mercedes-Benz GLC 350
- 2020 Mercedes-Benz GLC 350
- 2018 Mercedes-Benz GLC 350 E
- 2020 Mercedes-Benz GLC 350 E
- 2021 Mercedes-Benz GLC 350 E
- 2019 Mercedes-Benz GLC350E
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.