the passenger floorboard is all wet in my wife's 1999 clk320, i was wondering what that could be?

Check the cowl drain. Open hood, look towards the the passenger rear corner. See that black box back there? There is a rubber drain baffle on the bottem outboard corner, check it for debris. I have big hands so I pop 'em off (they are rubber), clear the cowl and reinstall.



Joe

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Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.
Raleigh NC
919-881-0364

Has the windshield been replaced?

This work is not always done well.

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1986 300E 5-Speed 240k mi.

Check that the glass seals firmly against the side pillar.On my convertible, the front driver's glass went up too high, which created a gap & water leaked in behind the drivers' seat.

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)

I agree with joe p.