hello all, the drivers side window on my 1985 300sd started acting up last week. took the door panel off today and discovered 3 ground down teeth on the gear that rides off the motor to open and close the window. do i need a whole new assembly or can the pie shaped gear with the ground teeth just be replaced. i looked at epc and couldnt find a diagram of the mentioned gear. thanks in advance. jim

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1997 E300D Wife's daily driver
1985 300SD my daily driver
1999 Expedition family road trip and material hauler

it will need to be replaced as a complete unit, can be found in group 72, you just cannot see the gear.

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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
1993 190E 2.6
300TD Former daily driver Totaled
current:
R320 CDI
Ram 2500 Cummins

that explains it to a tee. thanks for the quick and accurate reply. jim

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1997 E300D Wife's daily driver
1985 300SD my daily driver
1999 Expedition family road trip and material hauler

It is possible, and it works very well, to build up the ground down area with weld, grind it flat, and file new teeth.

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1986 560SL
2002 Toyota Camry
1993 Lexus