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 SL63 4MATIC+2024
Mercedes-BenzAMG SL63 4MATIC+2023
Mercedes-BenzAMG SL63 S E2025
Mercedes-BenzAMG SL63 S E2024
Mercedes-BenzG 5502024
Mercedes-BenzG 5502023
Mercedes-BenzG 5502022
Mercedes-BenzG 5502021
Mercedes-BenzG 5502020
Mercedes-BenzG 5502019
Mercedes-BenzG5502018
Mercedes-BenzG5502017
Mercedes-BenzG5502016
Mercedes-BenzGLE 5802021
Mercedes-BenzGLE 5802020
Mercedes-BenzGLE 580 4MATIC2025
Mercedes-BenzGLE 580 4MATIC2024
Mercedes-BenzGLE 580 4MATIC2023
Mercedes-BenzGLE 580 4MATIC2022
Mercedes-BenzGLS 580 4MATIC2025
Mercedes-BenzGLS 580 4MATIC2024
Mercedes-BenzGLS 580 4MATIC2023
Mercedes-BenzGLS 580 4MATIC2022
Mercedes-BenzGLS 580 4MATIC2020
Mercedes-BenzGLS 6002023
Mercedes-BenzGLS5802021
Mercedes-BenzS 5602021
Mercedes-BenzS 560 E2020
Mercedes-BenzS 560 E2019
Mercedes-BenzS 5802023

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