Mercedes-Benz C 300 2022 — technical service bulletin
Bulletin LI20.10-P-075052 · NHTSA communication 10217152 · issued Jul 11, 2022
Technical service bulletin
communication type
Equipment
component
2022
model years
1
vehicle entries
Official summary
Complaint Check engine light is illuminated Fault code stored P012867- The coolant temperature is below the coolant thermostat specified temperature. The signal is impermissible after an event. Cause Coolant thermostat Remedy Replace coolant thermostat with part A2542003300.
Vehicles covered
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.