Any MB model year starting with a few '92's to all '95's as far as I know. '93-'95 are all affected.

You have nothing to worry about on your '88 model. Keep the problem in mind in case you decide to purchase another used MD down the line.

-GH

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For Now:
1992 Mercedes Benz 500SL
1998 BMW 528i
2003 Honda Element
2002 CBR600F4i
1977 Coachmen Motor Home