Why have the suspension air bags on our Mercedes-Benz E-Class blown out for a second time?
What causes rear suspension air bags to explode? One blew out on our 2006 E-Class Mercedes-Benz before we replaced both rear shocks, and 12 months later it has happened again.
Asked on 26 July 2010 by dingmotors
![](http://images.honestjohn.co.uk/imagecache/file/pad/120x120/media/15217131/alan_polaroid.jpg)
The most likely cause of this is the failure of the relay valve (it sticks open) which allows the pump to continue on, resulting in the failure of the shocks. I would suggest that this is checked out asap.
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