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Ive come to live with mine, at least for the time being. Mine opens and slides back but does bang down about a quarter way. Then it slides back to the end. When closing it, (since it wont close completely by itself anymore) i noticed that it i gently push up and forward with by hand on the glass, it closes with a little push.
Ive come to live with mine, at least for the time being. Mine opens and slides back but does bang down about a quarter way. Then it slides back to the end. When closing it, (since it wont close completely by itself anymore) i noticed that it i gently push up and forward with by hand on the glass, it closes with a little push.
Hello,
You must have broken fixing guides.
Can you send us photos of your front fasteners at rail level. taquettoitouvrant@gmail.com
Our kit is specially designed to repair this problem.
Best regards
Hello,
You must have broken fixing guides.
Can you send us photos of your front fasteners at rail level. taquettoitouvrant@gmail.com
Our kit is specially designed to repair this problem.
Best regards
Contact us on taquetoitouvrant@gmail.com
We will send you the assembly tutorial, at least you can see what we are talking about.
Send us a photo of your sunroof fasteners at rail level, and we'll confirm whether your guides are broken.
sincerely
Hey, got some tilt on right side and it give a crazy wind noise, what could it be ? Looked inside nothing suspicious didn't find. Help Tried adjust that front right clip That was not enough to come down.
Last edited by Kalnapilis; Apr 13, 2025 at 12:37 PM.
Man there is awesome info in here. For those of us where the sunroof is stuck CLOSED, is there any way to get it to open so the glass can be removed and the rails inspected?
Hi everyone. This happened to me over the weekend. After opening the roof normally, it didn't close again. The driver's side rear guide won't go down. I've tried closing it manually, but it won't close; it's stuck. I assume something must have broken inside the track. The first quote was about €3,000. I called Mercedes, and the two tracks cost €600 (€300 each). Do I just need to replace the two tracks? Or is there something else? The motor works because it opens all the way. It just won't go down from the ventilation position.
I know this thread is old, but I wanted to post and see if anyone could point me in the right direction. I have recently bought a 2015 C300 (W205). My panoramic sunroof works, but when I try to close it from fully open, it does, but as it is closing it seems to drop down a level with a fairly loud noise, then closes. Sometimes it does fully close and I need to open again, then close. Seems something is off. Any suggestions?
I know this thread is old, but I wanted to post and see if anyone could point me in the right direction. I have recently bought a 2015 C300 (W205). My panoramic sunroof works, but when I try to close it from fully open, it does, but as it is closing it seems to drop down a level with a fairly loud noise, then closes. Sometimes it does fully close and I need to open again, then close. Seems something is off. Any suggestions?
Thanks in advance.!
Try lubing it up first. Plenty of diagrams online of the lubrication points. You will need 2 types of lube. Id recommend the Krytox products if you want to save some money. Purchased in the smallest quantities, it will last you quite a few years. Generally these items break due to fatigue and stress (or rust due to non maintenance) and the lube makes sure there is as little stress on the aging parts as possible. I do my cars once every 1-2 years and have never had a sunroof failure in any car. I would not keep activating the rood until you do this to see if it stops the binding, and if it does not, it had a broken part anyway that will need to be further diagnosed. Any real repair will require removal of the headliner, and the rest is pretty self explanatory as you dissect the sunroof cartridge.
Try lubing it up first. Plenty of diagrams online of the lubrication points. You will need 2 types of lube. Id recommend the Krytox products if you want to save some money. Purchased in the smallest quantities, it will last you quite a few years. Generally these items break due to fatigue and stress (or rust due to non maintenance) and the lube makes sure there is as little stress on the aging parts as possible. I do my cars once every 1-2 years and have never had a sunroof failure in any car. I would not keep activating the rood until you do this to see if it stops the binding, and if it does not, it had a broken part anyway that will need to be further diagnosed. Any real repair will require removal of the headliner, and the rest is pretty self explanatory as you dissect the sunroof cartridge.
Thank you very much for the reply. I will try this first and see how it goes. Appreciate it!
In ~2017 I installed a new gear and reinforced the mounting screws (to compensate for the dried and crumbling rubber spacer) on my wife's w211. That worked until recently. For a couple of months now, the panoramic sunroof would open, but only close with a little manual help. Then it progressed to where the sunshade wouldn't close (even though the sunroof glass was closed).
I would have just replaced the sunroof motor, except that doing that would require me to drop more of the headliner than I wanted to. Instead, I removed the three mounting screws (to give access to the gear), and noted that the bottom half of the motor housing (the bottom of the "clamshell" that should hold the gear in snug) was slightly warped. I put it on perfectly level ground and gave it a few smart taps right on the bottom of the "bell".
When I reinstalled it, I could tell right away that the fit was better. My sunroof is operational again. But, to be honest, I think we are just going to leave it closed.
I doubt this is a permanent fix. Whatever force allowed the motor to bend the metal clamshell bottom will surely bend it again with repeated use of the sunroof. But, now I have a functioning sunshade again.
Last edited by wukinpanub; Sep 26, 2025 at 10:44 PM.
The shades open and close correctly. When I try to open the roof to position one (tilt) only the back left side starts to lift, (the back right seems jammed and won’t lift up). Whilst it is trying to open, there is a grinding noise from the motor/gears. I then press the close button and it closes again correctly. I’ve scanned for faults in the closed and half open positions with no faults detected.
I’ve been quoted £2000 by two local garages for parts and labour to replace the various parts when the roof hasn’t even been stripped to verify the issue. You might want to get your quote for sunroof from a specialist instead, as apparently the whole roof has to be stripped and the front seats taken out to inspect.
Please post your problems and fixes here to help me and others who experience it, thanks!
It sounds like one side of your panoramic sunroof is jammed or misaligned, which is causing the grinding noise. This usually happens when a guide rail or cable breaks or comes off track. The motor is likely fine, but the mechanism on one side isn’t lifting properly. Before paying £2000, take it to a specialist who can inspect it without removing the entire roof. A fix sunroof glass service can often repair or replace just the damaged parts for much less. It’s likely a mechanical issue, not an electrical one, so a focused repair should solve it.
Contact us on taquetoitouvrant@gmail.com
We will send you the assembly tutorial, at least you can see what we are talking about.
Send us a photo of your sunroof fasteners at rail level, and we'll confirm whether your guides are broken.
sincerely
Hi all,
Ordered a couple of these - however the sunroof wouldn't quite sit flush after fitting (I only replaced the side where the clips had broken). It's slightly out on the front corner. It's fine upto 50mph then you get alot of windnoise, but its sealed enough to be water tight.
I read to just adjust the torx screws, I tried this on (only on the side I had the failed clip on) but everytime I do that it then won't shut - it gets a few inches away from closes then retracts back. I must have tried adjusting it 20 times now.
Anyone had this? I would gladly pay a sunroof specialist to look at it, but I can't find anyone that will do it? (England).
I'm scared if I start adjusting the other side then I will get to a point where the roof won't shut at all?
I don't mind spending some money on this, but struggling to warrant £2.5k at dealer.
Help with panoramic sunroof.
I have a variation of a problem I know many have faced, and I hope someone out there can give me some ideas on how to fix this.
Rear drivers side is stuck closed (infamous 'A' plastic bracket I suspect)
I've tried all the obvious fixes I believe, including using an Allan key on the sunroof motor ( above rear view mirror) but didn't want to force it, so didn't push to hard.
My last attempt was too drop the lining slightly, loosen off the 2 torque bolts, pull down on the railing and the stick a screw driver in the crack, am I doing this right? will it help? ( was verbally told this might do it.
I have attached a few pics below,I fear I am getting near a dead end with this. Here in NZ it I could probably get a good used Merc for the cost of repairing this through a dealership.
Any help would be much appreciated. Thanks
Just to update, I ended up using 'Surrey Sunroofs' - really top guy - he did both sides, and some other parts etc. Was about £1400 and half was the parts.
I would highly recomend him.
Even to the guy in NZ above, you might be able to email him and ask if he'd be interested in a paid call to try and guide you? He seems very experienced.
I seriously considered it, but felt that the moonroof took over too much space to allow for a meaningful amount of stars. So, canceled the idea.
i appreciate you posting your updates before with images. Can I ask, the bracket at the end of this strip. Is it removable? This is what stops the sunroof from fully closing for those that have the vent problem.
Can I buy the kit you bought above (the 19usd Amazon screenshot) and replace the bracket without removing the full sunroof rail?
If you see this notification, please respond need to repair mine asap.
Last edited by amg2turbo; May 5, 2026 at 03:20 PM.
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Tried adjust that front right clip That was not enough to come down.
