Help! Sunroof won't close.
Thread Starter
Newbie
Joined: Oct 2011
Posts: 9
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GLK 350 4Matic
Help! Sunroof won't close.
My wife just called me from work and says her sunroof will not close. When she pushes the button it inches forward but then goes back. I told her to check the tracks to see if anything is in the way but she says she can't see anything.
Where do I start?
2010 GLK 350 4Matic with 22,000 miles.
Where do I start?
2010 GLK 350 4Matic with 22,000 miles.
MBWorld Fanatic!
Joined: Sep 2011
Posts: 1,522
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From: East Texas
2004 Volvo XC70; 2012 GLK 350 4matic
I had a similar event with my old Volvo. Driving to work. Started to sprinkle. Put the driver's window up. It went up about two inches and stopped. I drove straight to the dealer. Beat the rain.
Your sunroof does sound like something may be in the way, binding or lack of lubrication.
Wayne
Your sunroof does sound like something may be in the way, binding or lack of lubrication.
Wayne
Newbie
Joined: Feb 2012
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2012 GLK 4MATIC
Here is a the direct text from the Owner's Manual. I hope this helps!
Problem: the sunroof cannot be closed
and you cannot see the cause.
and you cannot see the cause.
Warning!
You could be severely or even fatally injured
when closing the sliding sunroof with
increased closing force or if the antientrapment
feature is deactivated. Make sure
that nobody can become trapped when
closing the sliding sunroof.
You could be severely or even fatally injured
when closing the sliding sunroof with
increased closing force or if the antientrapment
feature is deactivated. Make sure
that nobody can become trapped when
closing the sliding sunroof.
If the sliding sunroof is obstructed during
closing:
Immediately after the sliding sunroof
closing:
Immediately after the sliding sunroof
blocks, pull the
switch in the
overhead control panel down to the point
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed with increased
force.
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed with increased
force.
If the sliding sunroof is obstructed during
closing again:
closing again:
Immediately after the sliding sunroof
blocks, pull the
blocks, pull the
switch in the
long as you hold the switch.
overhead control panel down to the point
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed without the
anti-entrapment feature.
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed without the
anti-entrapment feature.
Warning!
Pressing and holding the sliding sunroof
switch to close the sliding sunroof
immediately after it had been blocked two
times will cause the sliding sunroof to close
without the anti-entrapment feature for as
Pressing and holding the sliding sunroof
switch to close the sliding sunroof
immediately after it had been blocked two
times will cause the sliding sunroof to close
without the anti-entrapment feature for as
long as you hold the switch.
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Thread Starter
Newbie
Joined: Oct 2011
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GLK 350 4Matic
Thanks for that, but we tried holding the switch down for a long time. She just went to the dealer and they had to do a 'reset and resynchronize', whatever the hell that means. It works now.
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From: Old Dominion
2015 VW GTI.S4; 2016 Audi Q3 Prestige
Thread Starter
Newbie
Joined: Oct 2011
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GLK 350 4Matic
Newbie
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Mercedes-Benz GLK 350
Panoramic sunroof wont close completely!!!
Super Member
Joined: Aug 2008
Posts: 676
Likes: 28
This video explains the synchronization. Haven't looked but it too should be in manual.
The instructions posted earlier appear to be for how to close a sticky sunroof. Seems they have a safety built in in case you get your head or arms or something in the opening while it is closing. Sticky rails would trigger same safety.
By the way, after two Benzes with sunroofs, I specially ordered our 2014 GLK250 without a sunroof! Slow learner, I am afraid.
The instructions posted earlier appear to be for how to close a sticky sunroof. Seems they have a safety built in in case you get your head or arms or something in the opening while it is closing. Sticky rails would trigger same safety.
By the way, after two Benzes with sunroofs, I specially ordered our 2014 GLK250 without a sunroof! Slow learner, I am afraid.
Super Member
Joined: Mar 2005
Posts: 932
Likes: 38
From: North of Boston
Basically you just move the window an inch or 2 at a time until it fully closes. If you keep holding the switch, it will reverse itself when it hits it's electronic limit. What the resynch is is resetting where that electronic limit is set.
Once it is closed, you then hold the switch for 5 seconds. That sets the electronic limit at that spot. Then you move it to the full open position and hold for 5 seconds...resynch complete.
The same thing works for the limits of how far your windows open and close and also your seat limits.
Once it is closed, you then hold the switch for 5 seconds. That sets the electronic limit at that spot. Then you move it to the full open position and hold for 5 seconds...resynch complete.
The same thing works for the limits of how far your windows open and close and also your seat limits.
