M-Class (W166) Produced 2012-2015

Air like release on exit of passenger side

Old Jul 7, 2013 | 06:21 PM
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From: Alberta, Canada
ml350 bluetec
Air like release on exit of passenger side

When ever I get out of my '13 ML BluTec on the passenger side I hear a pssst of air (at least it sounds like it), What is it? I never hear it on the driver's side.
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Old Jul 7, 2013 | 06:30 PM
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A gaggle of MB's
Weight-sensing system..
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Old Jul 7, 2013 | 08:36 PM
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2013 ML350
Burritos for lunch?
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Old Jul 8, 2013 | 09:43 PM
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S550, SRX, ML550
Multi contour seats? Mine makes a brief hissing noise when I open a door (any one) after the car has been standing for a while.

Also noticed a subtle noise when simply walking past the rear view mirror when parked in the garage.

Perhaps one day I'll record them to show that my mind is not playing tricks on me
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