Mercedes-Benz AMG GLC63 2020–2021 — technical service bulletin
Bulletin LI27.00-P-072627 · NHTSA communication 10191278 · issued Mar 16, 2021
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
24
vehicle entries
Official summary
Fault in 12 V interlock circuit
Vehicles covered
- 2020 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz C 300
- 2021 Mercedes-Benz C 300
- 2020 Mercedes-Benz C 350
- 2020 Mercedes-Benz C 350 E
- 2020 Mercedes-Benz E 350
- 2021 Mercedes-Benz E 350
- 2021 Mercedes-Benz E 350 E
- 2020 Mercedes-Benz E 450
- 2021 Mercedes-Benz E 450
- 2020 Mercedes-Benz E63 AMG
- 2020 Mercedes-Benz GLC 300
- 2021 Mercedes-Benz GLC 300
- 2020 Mercedes-Benz GLC 350
- 2020 Mercedes-Benz GLC 350 E
- 2021 Mercedes-Benz GLC 350 E
- 2020 Mercedes-Benz GLE 350
- 2021 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350 E
- 2021 Mercedes-Benz GLE 350 E
- 2020 Mercedes-Benz GLE 450
- 2021 Mercedes-Benz GLE 450
- 2020 Mercedes-Benz GLE 580
- 2021 Mercedes-Benz GLE 580
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.