My sliding sunroof does not work. It seems as if something broke loose that causes it to slide back. The back part will lift up, but with some difficulty. Once its lifted it barely wants to close, sometimes I need to push it down. The crank from the trunk driver side does not allow me to open it either. I can turn the knob, but nothing happens. The motor functions just fine. If I lift the back portion up with the switch and then try to slide the switch back to close the roof, there is a black panel between the outside and interior that I can see slide back and it will sound as it normy would when sliding back and then it appears to stop in the correct location, but the roof itself doesn't move. Any suggestions on how to fix this?

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1990 190E 3.0L

Replace everything in the sliding mechanism or take the fuse out.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

Taking out the fuse sounds the easiest, but would that fix the problem?

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1990 190E 3.0L