Oh, as a side note, skip the rain-x blade, I tried one on one of my w124 wagons, and pulled it off a day later and threw it in the trash. Something about the shape of the blade didn't work well with the sweep of the wiper and streaked horribly in one direction, the other was fine. So I suppose if you're fine with only seeing 50% of the time it'd be fine. Really though, save your money and skip the rain-x wiper.

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2004 F150 4.6L -My Daily
2007 Volvo XC70 -Wife's Daily
1998 Ford F150 -Rear ended
1989 J-spec 420SEL -passed onto its new keeper
1982 BMW 733i -fixed and traded for the 420SEL
2003 Volvo V70 5 Speed -scrapped
1997 E290 Turbo Diesel Wagon -traded for above
1992 BMW 525i -traded in
1990 Silver 300TE -hated the M103
1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one
1979 Silver 300D "The Silver Slug" -Sold

I haven't found a beam type blade that works well full-stop. They don't contour as well as the frame type do so if you have a sharply curved window, forget about it wiping the full path.

The biggest issue with them though is their lack of torsional stability. Get much over 20" and the tips start to wobble. My Honda takes a 30" blade on the driver's side and a beam style is completely useless on it. The whole bottom 1/3 of the blade just wobbles. Standard blades are perfect on it AND cheaper!

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

I found that the no name brand beam type wipers worked really well on my w126 and w123 cars, however nothing else I have owned seems to like them.

Even my dd, which is a 2003 V70 at the moment, which has quite a flat windshield, doesn't like them. The streaked like crazy! Slapped on a set of direct connects and all issues were solved.....

__________________
2004 F150 4.6L -My Daily
2007 Volvo XC70 -Wife's Daily
1998 Ford F150 -Rear ended
1989 J-spec 420SEL -passed onto its new keeper
1982 BMW 733i -fixed and traded for the 420SEL
2003 Volvo V70 5 Speed -scrapped
1997 E290 Turbo Diesel Wagon -traded for above
1992 BMW 525i -traded in
1990 Silver 300TE -hated the M103
1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one
1979 Silver 300D "The Silver Slug" -Sold