So the rear left window went down last night but didn't come up! Oddly enough I had the same problem with the 16v last week(was loose connection) and I was driving were I was last week as well, maybe some magnetic anomaly or something in the area? My first thought was the fuse, but the right front window still worked so no. Then today I took the door apart. I thought it might be one of the switches, but I swapped them off of working doors and it still wouldnt go up. When I "hotwire" it( bridge respective connections with 2 wires) the window goes up fine, so the motor and gears etc are fine, but with the switch nada. All the wires seem fine, no apparent shorts or anything. I tried 3 different switches on the back and 2 up front, and they work with other windows, so definitly not them. Is their some rear left window specific relay or something of the sort that could have gone up? any ideas? Thanks!

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2006 E320 CDI
1998 S320
1987 190E 2.3-16

1990 300D 2.5 Turbo(sold)
1987 300SDL Turbo(sold)
1987 300TD Turbo(sold)
1987 190D 2.5 Turbo 5sp(sold)
1985 190E 2.3-16(sold)
1984 500SEC(sold)
1984 230TE(sold)
1978 240D(sold)-Miss it!
1972 280SE 4.5(sold)

Take off the door inner panel and disconnect the motor wires. Apply power straight to the motor and see if it moves. IF so, you have a problem in the wiring.

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Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS

The motor works so now the fun begins. I was hoping it would be something I missed. Thanks Benzmac!

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2006 E320 CDI
1998 S320
1987 190E 2.3-16

1990 300D 2.5 Turbo(sold)
1987 300SDL Turbo(sold)
1987 300TD Turbo(sold)
1987 190D 2.5 Turbo 5sp(sold)
1985 190E 2.3-16(sold)
1984 500SEC(sold)
1984 230TE(sold)
1978 240D(sold)-Miss it!
1972 280SE 4.5(sold)