Mercedes-Benz C 300 2015–2022 — technical service bulletin
Bulletin LI91.30-P-073902 · NHTSA communication 10207205 · issued Jan 4, 2022
Technical service bulletin
communication type
Seats
component
2015–2022
model years
14
vehicle entries
Official summary
Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm. Cause Faulty SCN coding of rear SAM. Remedy â ¢ Perform SCN coding of rear SAM (BC_R). â ¢ Commission seat heating control unit.
Vehicles covered
- 2017 Mercedes-Benz C 300
- 2018 Mercedes-Benz C 300
- 2019 Mercedes-Benz C 300
- 2020 Mercedes-Benz C 300
- 2021 Mercedes-Benz C 300
- 2015 Mercedes-Benz C300
- 2016 Mercedes-Benz C300
- 2018 Mercedes-Benz GLC 300
- 2019 Mercedes-Benz GLC 300
- 2020 Mercedes-Benz GLC 300
- 2021 Mercedes-Benz GLC 300
- 2022 Mercedes-Benz GLC 300
- 2016 Mercedes-Benz GLC300
- 2017 Mercedes-Benz GLC300
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.