I bought a 300SD last year and haven't started it since September of 2013. I was working on other projects and a couple of 240D's. Ok, the car starts and runs great. Turbo still seems to kick out coal when you put the pedal to the floor. Idle is smooth.
I never tested the sun roof when I bought the car, but tried it today and it opens fine and appears to have a new front seal. My question is, is the 126 sun roof suppose to operate like that of the 123 where upon opening the front rubber wind deflector is suppose to flip up as the roof opens ?

Greg

Yes, I seem to remember there are a couple springs that wear out and cause it to not pop up on its own.

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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

Agreed.

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83 SD

84 CD

Didn't they change the sunroof at some point in the W126 run to the tilting roof like the one in the 124?

Only for 2nd gen cars. 85 should have the standard gen 1 sunroof.

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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video - http://tinyurl.com/ptd2tge