The Sunroof May Jam or Not Close Correctly on Mercedes-Benz ML55 AMG

Arms for the sunroof wind deflector break; if the broken pieces are not removed, they can jam the sunroof. 

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Average mileage: 99,000 (90,000–108,000)
4 model years affected: 2000, 2001, 2002, 2003
6 people reported this problem
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problem details
Small plastic wind deflector pieces broke, sunroof works okay, did not replace arms.
2001 Mercedes-Benz ML55 AMG 108,000 mi,
The plastic pieces that hold the arms of the wind deflector broke on both sides. I removed them from the track so the sunroof would not jam. Will contact the dealership to find out if these small plastic retainers can be sold separately.