Actually you will probably see better mileage out of it fuel wise. It will shift to first if needed when in W mode so there really is no reason to switch back and forth for normal driving. MB actually now calls it C and S mode for Comfort and Sport. C is W and S is still S.

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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.

1986 190E 2.3 Black, Auto, Mods to come soon.....