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This has been an intermittent problem with the car for approximately 6 months. While driving, the car went into limp mode, with ESP and Brake lights on. I would pull over, shut it off, wait 2-3 min for the car to go to sleep. Then it would be fine. After the first time it happened 6 months ago, brought it to the dealership and they said they were unable to duplicate it. It happened again about a month ago while getting onto the interstate. Again pulled over, off and on, and it was fine. Last night it happened multiple times and again tonight so Its clearly gotten bad enough to where a simple mercedes tech may be able to duplicate the issue, but they cannot get me in to look at the car for another 2 weeks. The fault codes are in the title above and I am pretty competent at working on my own cars. Just looking for direction if anyone has had a similar issue. If its as easy as a brake pressure sensor, and doesn't require any programming, I would be happy to do this myself. The first and third pics below are the brake pedal pressed, and not pressed. second and fourth pics are the codes that I am seeing. The only other post I found with this issue was a cla250 that no one answered so hoping I have better luck.
The car is a 2014 e63 4matic
Last edited by c32knight; Apr 5, 2023 at 08:29 PM.
Reason: typo
Hello and good day dear Sir. I am currently experiencing the same thing and havent found the right solution. Kindly do share me what has been done to yours. Thanks alot dear Sir.
Unfortunately, on my w212 e63, the pressure sensor was part of the abs module. Had to replace the entire module. Hopefully that isn't the case on your car as I think that was a $5k part {covered under extended warranty}
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