Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1141 - The heater circuit in the downstream oxygen sensor (HO2S12) is not working properly, which can affect how your car controls emissions.
DTC P1141 MERCEDES BENZ
24.09.2025
6123
1 minute of reading
Video for "Error p1141" on YouTube
The following error codes are often searched for
Comments on the article