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Hi Everyone, Can anyone tell me which PC Board or Computer controls the ESP BAS?
The light (ESP BAS) mostly stays on and occasionally one of the wheels rapidly BRAKES (sometimes the FRONT wheel/sometimes the REAR wheel does it).
When problem 1st began it happened on/off at 5-10MPH, gradually worsening now happens at 45-50MPH (wheels rapidly braking)
I found the on board computers were ALL COVERED in OIL. I cleaned them up but the same problem continues. I think I need to replace the controller board..any suggestions on this?
Here's what I've tried,
- Replacing SOME of the wheel speed Sensors,
-I have put on all 4 New Tires (still same issue)
- No FAULT codes show up at all.
Please let me know which control board would cause these issues w/the 2003 230SLK.Thank you very much for any help & suggestions are appreciated!!

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97,444 Posts
moving to r170 general discussion

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