HomeLI20.10-P-072886 · MERCEDES-BENZ, MERCEDES-MAYBACH
MERCEDES-BENZ, MERCEDES-MAYBACH

LI20.10-P-072886

Manufacturer communications

Publication date
2026-02-11
Received by NHTSA
2026-02-13
NHTSA record numbers
11028810

Manufacturer summary

Original wording in English

Complaint CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature" Cause Under investigation. This is not an issue that affects drivability or performance and is not a safety concern. The vehicle remains safe to operate with this code, but the measures listed in the "Remedy" section are recommended. Remedy 1. Use VMI to check for Emission Extended Warranty – Engine Thermostat (incl. software update) MY19-23, Various Models and Platforms (167, 190, 205, 213, 217, 222, 223, 232, 253, 290, 463) 2. If the vehicle is covered under the Emission Extended Warranty, Please perform steps outlined in the NCU for repairs. 3. If vehicle does not fall into the covered area of the Extended Warranty please check for Software updates to the ME control unit and then proceed with "Remedy Instructions" in attachments. Due to formatting issues please see "remedy instructions" in attachments

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
Mercedes-BenzAMG C632021
Mercedes-BenzAMG C632020
Mercedes-BenzAMG C632019
Mercedes-BenzAMG C632018
Mercedes-BenzAMG C632017
Mercedes-BenzAMG C632016
Mercedes-BenzAMG C632015
Mercedes-BenzAMG C63 S2023
Mercedes-BenzAMG C63 S2022
Mercedes-BenzAMG C63 S2021
Mercedes-BenzAMG C63 S2020
Mercedes-BenzAMG C63 S2019
Mercedes-BenzAMG E632018
Mercedes-BenzAMG E63 S2023
Mercedes-BenzAMG E63S2022
Mercedes-BenzAMG E63S2021
Mercedes-BenzAMG E63S2020
Mercedes-BenzAMG E63S2019
Mercedes-BenzAMG E63S2018
Mercedes-BenzAMG G632024
Mercedes-BenzAMG G632023
Mercedes-BenzAMG G632022
Mercedes-BenzAMG G632021
Mercedes-BenzAMG G632020
Mercedes-BenzAMG G632019
Mercedes-BenzAMG GLC632022
Mercedes-BenzAMG GLC632021
Mercedes-BenzAMG GLC632020
Mercedes-BenzAMG GLC632019
Mercedes-BenzAMG GLC632018

Data coverage →