Mercedes-Benz AMG GLC63 2020–2021 — technical service bulletin
Bulletin LI09.41-P-072096 · NHTSA communication 10186130 · issued Dec 4, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
11
vehicle entries
Official summary
Yellow Coolant Temperature Warning in the Instrument Cluster
Vehicles covered
- 2020 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz AMG GLE43
- 2020 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63 S
- 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
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.