paulj63 Posted July 24, 2019 Report Share Posted July 24, 2019 Hi AllHope you can help me out.I have a couple of problems electrical on a 300c 2012 It all started after i changed a caliper on drivers side (UK) and 2 front disc plates.All went well and brakes were perfect. Then i noticed a message on the dash FCW Off Also when i lock the car up the rear lights stay on draining the battery, I have taken the battery live off for 30 mins to clear ECU but still the same.Just drove it 15 miles to see if a run will clear it and its still the same. Any ideas what it could be Thanks in advance PaulUk Quote Link to comment Share on other sites More sharing options...
Vince56 Posted September 13, 2019 Report Share Posted September 13, 2019 Check your ABS sensor with an OBD scanner. Quote Link to comment Share on other sites More sharing options...
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