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Mercedes-Benz R320 CDI Problems

The panoramic sunroof and shade may stop working on Mercedes-Benz R320 CDI

Problem Description and Possible Solution

The panoramic sunroof and shade may stop working due to a broken sunshade drive/guide.

(13 people reported this problem)

Mercedes-Benz R320 CDI Vehicles With This Problem

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Average mileage: 103,837 (48,320–142,378)
2 model years affected: 2007, 2008
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Brake problem? Or maybe a faulty head gasket cylinder?
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Viewing 1-7 of 7 comments
2008 S-550 4Matic Designo. The sunroof stops 1/3 of the way open. The shade does not function at all. I was told when I purchased the car that it simply needed a shot of WD-40. The dealer assured me that because of the MA "Lemon Law" he can't lie. I am a cancer pt and was hospitalized again just after the purchase, then Chemo again. Bottom line the 30 days went by while I was in the hospital. The problem is not fixed, it cost me over $500.00 for a service, when I picked up the car they said the sunroof was "beyond them".
My income stopped 6 months ago, I would love to find a way to fix this myself or at least get it fixed for a fair price. I live in SW NH Can you either direct me to a resource where I can learn how to fix it or perhaps refer me to a good, Benz mechanic.
Thanks,
Dr.G
Front sunroof only goes back 4-5 inches. Front sunroof shade won't close.
Is there a campaign on this issue it appears very common especially in these years. Also a very expensive fix, a reset won't work.
I hit the main sunroof switch and the shades retract but the sunroof stops moving. Dealer said it needs new motors and drive cable at the cost of $4,000. I am looking for a cheaper mechanic to do this repair for less money but still do quality work.