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-   -   Esp light intermittent (https://mercedesforum.com/forum/mercedes-c-class-10/esp-light-intermittent-61405/)

Dannyc220 01-16-2022 02:17 PM

Esp light intermittent
 
Only when very cold in the esp,tyre monitor light stays on when started,also while the esp on the front washers and wipers don’t work,have to remove the key a couple of times then it will ok till the next day, diagnostic brings up brake light switch ,have replaced it twice with no improvement please help

Joby613 01-20-2022 06:42 AM

Tpms light on when cold?
 
What is your recommended tire pressure vs actual? I've seen low tire pressure set the light on, but it goes off after the car is driven a bit and the tires warm.
I don't know if this would set off esp warnings, but it's as good as any place to start.
edit: if the wipers and washers don't work when the esp is lit the issue may lie deeper.

Dannyc220 01-20-2022 07:04 AM

Esp fault
 
Tyre pressures are all ok,have set them to the recommended setting from the cars data sticker

Joby613 01-20-2022 08:05 AM

The next thing I'd check is the wheel speed sensors. Do you have a scan tool that can access abs data? Also, check your battery/charging system. Corroded terminals and low batt voltage can cause intermittent electrical issues in any of the modules.

Dannyc220 01-20-2022 08:54 AM

Hi,new battery,charging fine,wheel speed sensors ok,can access them through the diagnostic tool,car driving me mad,every day have to turn the wipers on so if they work I know the esp light will go off 😠

Joby613 01-20-2022 09:46 PM

When you check the wheel speed sensors, what tool do you use? Do you check them when you are having the fault? Frankly, I have no idea.

Dannyc220 01-21-2022 12:09 AM

Have a snap on diagnostic and I checked the speed sensors with the esp light on and when it eventually went off,the same readings on all four sensors.

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