problem with e350 4 matic sunroof
Thread Starter
Newbie
Joined: Apr 2008
Posts: 3
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2003 s430 4matics
problem with e350 4 matic sunroof
here is my problem, sometime ( only sometime) when i push the sunroof button once, it will close itself fully. but sometime, it will close half way then it will open again. and i tried with the reset of the sunroof, i try holding the button downward for more than 20s, but nothing happen. can anyone help??
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Joined: Aug 2005
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From: Los Angeles
2009 SL550 Roadster Diamond White, 2008 CLK550 Coupe Obsidian Black
Our 07 C230 (lease over) had the same problem: if you used the auto feature to close, it would open back up. If you hold it down, it will close. I guess it's a common problem or something. Heard another guy having same issue.
Super Member
Joined: Sep 2007
Posts: 978
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From: Essex County, NJ
2011 E350 Sport 4Matic - P2 & Drivers Assist / 2010 C300 Sport 4Matic - P2 / 2013 Porsche Cayenne S
I had that a couple of times with my previous cars. My SA showed me how to fix it. Basically the sunroof sensors are misaligned and need to be realigned. The fix is really easy and you can do it under 1 minute without any tools. Make sure the sunroof is closed before you start this procedure.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
MBWorld Fanatic!
Joined: Oct 2002
Posts: 4,990
Likes: 1,350
From: Cincinnati
2010 E350 4Matic
I had that a couple of times with my previous cars. My SA showed me how to fix it. Basically the sunroof sensors are misaligned and need to be realigned. The fix is really easy and you can do it under 1 minute without any tools. Make sure the sunroof is closed before you start this procedure.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
Senior Member
Joined: Dec 2005
Posts: 290
Likes: 9
From: Atlanta
2002 G500, 2007 CLS 550, 2018 GLC 300
The reset procedure didn't work for me. Cleaning and lubricating the sunroof tracks on both sides solved the problem. The safety feature which prevents the sunroof from closing against objects like your hand, etc. is sensitive and will activate if the sunroof tracks aren't clean and lubricated properly. The safety sensor interprets excess friction as a foreign object and automatically reverses the sunroof travel, causing it to reverse when you attempt the one-touch close.
Last edited by foreyes; Apr 22, 2010 at 12:49 AM.
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Senior Member
Joined: Jul 2007
Posts: 421
Likes: 14
From: Bay Area
2004 E500 CLK320
I had that a couple of times with my previous cars. My SA showed me how to fix it. Basically the sunroof sensors are misaligned and need to be realigned. The fix is really easy and you can do it under 1 minute without any tools. Make sure the sunroof is closed before you start this procedure.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
Newbie
Joined: Dec 2013
Posts: 1
Likes: 0
E350
I had that a couple of times with my previous cars. My SA showed me how to fix it. Basically the sunroof sensors are misaligned and need to be realigned. The fix is really easy and you can do it under 1 minute without any tools. Make sure the sunroof is closed before you start this procedure.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
1) Open the sunroof but keep your finger on the open button for an additional 10 seconds after the roof is open.
2) Close the sunroof but keep your finger on the close button for an additional 10 seconds after the roof closes.
3) Tilt open the roof (push button up) but keep your finger on the button for an additional 10 seconds after the roof is open.
4) Close the roof (pull button down) but keep your finger on the button for an additional 10 seconds after the roof closes.
If done correctly your sunroof sensors have been realigned. Unfortunately there is not audio or visual queue to show the procedure has been done correctly. You can test it by opening/closing tilting/closing your sunroof.
Newbie
Joined: Sep 2017
Posts: 1
Likes: 0
09 E350
Same issue
What type of lubricant did you use ?
The reset procedure didn't work for me. Cleaning and lubricating the sunroof tracks on both sides solved the problem. The safety feature which prevents the sunroof from closing against objects like your hand, etc. is sensitive and will activate if the sunroof tracks aren't clean and lubricated properly. The safety sensor interprets excess friction as a foreign object and automatically reverses the sunroof travel, causing it to reverse when you attempt the one-touch close.
MBWorld Fanatic!
Joined: Feb 2014
Posts: 6,190
Likes: 1,550
From: MA
2008 E350 4Matic, 2011 E350 4matic
Well you can either get a half ounce which should last you a long time for $10, I got mine a while ago and did both cars and there's still a lot left or you can get the 500 gram one which should last several decades.
https://www.ecstuning.com/b-genuine-.../0019894651~a/
https://www.ecstuning.com/b-genuine-...te/0019894651/
https://www.ecstuning.com/b-genuine-.../0019894651~a/
https://www.ecstuning.com/b-genuine-...te/0019894651/
Member
Joined: Feb 2003
Posts: 238
Likes: 9
From: Toronto
2009 e class 2012 ml350
here is my problem, sometime ( only sometime) when i push the sunroof button once, it will close itself fully. but sometime, it will close half way then it will open again. and i tried with the reset of the sunroof, i try holding the button downward for more than 20s, but nothing happen. can anyone help??
the procedure mention here only learns the stops not the pinch protection. the reason its doing that is because there is more force required to close the roof compare to when the tracks were new and clean.
Junior Member
Joined: Jan 2016
Posts: 56
Likes: 14
2003 E320
Did you know that there is a ovehead control module (OCP) that will store a fautl code if there is a problem with the sunroof? In there you can also view live data from the sunroof. Just found this out and thought I would share as I have been tracking down a sunroof issue for months.
https://www.youcanic.com/mercedes-be...roof-problems/
https://www.youcanic.com/mercedes-be...roof-problems/
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Joined: May 2021
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From: US
2008 E350, 2012 ML350, 2014 E350, 2015 ML350
and you can reset the code by removing Fuse 9 in the trunk fuse box for say 5 min. Put it back in, and try to use the sunroof again, if the failure repeats (like jumping when activated), it will trigger the code again.
what is your current issue with the sunroof?
what is your current issue with the sunroof?
