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Discussion Starter · #1 ·
I have a 2006 SL500 so this question applies to 2003 and newer SL's.

I have spent about 40 minutes trying to find instructions on replacing a voltage regulator on a R230 SL500 with no luck.

Does anyone know what's involved in replacing the voltage regulator on a R230 SL? Does the alternator need to be pulled to replace the regulator? Can it be done from above or below?

Also, when I talked to a Mercedes' Tech he said my problem could be caused by a faulty "charge control unit" which applies power to the battery that is weakest." Does anyone have a clue about this charge control unit?

Thanks in advance.
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