# Service bulletin LI20.10\-P\-075052

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10217152
- Published by NHTSA: 2022\-08\-04
- Manufacturer's number: LI20.10\-P\-075052
- Manufacturer's date: 2022\-07\-11
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217152-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217152-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Equipment and accessories

## Trouble codes named

P0128

## Vehicles listed

- 2022 MERCEDES\-BENZ C 300

JSON: [/v1/bulletins/10217152](/v1/bulletins/10217152)

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