had this problem in my 81 240d, just replace the alternator. I bought a new one for $110 and its been great.

Call your local shops and see who can get one the cheapeast. Dont bother just replacing the regulator, chances are its the alternator itself. The new one will come with a regulator.

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1976 Mercedes 240D (Sold)
1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic

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