Light seņor drive to workshop message
thanks.
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OP
have you checked your battery voltages when car is off, key on, engine on, at higher rev, when the issue happens?
If not get us those results.
Which light flickers?
Sadly on the w203 and all modern cars a lot of things can cause issues and the only way to do proper diagnostics is with the manufactures own diagnostic computer (star in this case)



