E-Class (W211) 2003-2009

Big Balloon Pop!

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Old Dec 29, 2016 | 07:19 PM
  #1  
dleuthold's Avatar
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2009 E350
Big Balloon Pop!

I have a 2009 E350 w Panoramic Roof. Several times, usually at highway speeds when it is a bit cool outside, but sunny, I get jolted by a loud BANG, that sounds like a big balloon just popped right behind my head. Dealer says they never heard of this happening. And no, it was nothing in the trunk that could have caused this.
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Old Dec 30, 2016 | 10:37 AM
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From: MBworld
bone stock E55 AMG
moved to W211 forum...
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Old Dec 30, 2016 | 03:28 PM
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From: North Scottsdale, AZ
'71 Pinto
Google “mercedes panoramic shattered” i.e.: http://www.digitaltrends.com/cars/me...orts-pictures/
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Old Dec 31, 2016 | 10:24 AM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Originally Posted by konigstiger
Google “mercedes panoramic shattered” i.e.: http://www.digitaltrends.com/cars/me...orts-pictures/
Seems like that'd only be a one time deal, and readily noticeable as to the source of the pop...
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Old Dec 31, 2016 | 11:09 AM
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From: North Scottsdale, AZ
'71 Pinto
Flexing, expansion/retraction due temperature may be a precursor to failure.
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Old Jan 1, 2017 | 01:49 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec

The panorama roof is a structural member, isn't it?

To the OP: Has the car's body been stressed as it would be in a fender bender? Could there be some unintended stresses and tensions on the roof pillars?
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