What does this do...?

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Neil Mackay

Active Member
Joined
Nov 17, 2011
Messages
859
Car
C32 AMG Estate
Hi Guys,

Whilst nosing about under the bonnet, I notice these cables just to the left of the blower motor intake on my C32. They plug into a rectangular shape metallic box fixed to the under side of the scuttle panel.....anyone any ideas what it is and does....?
 

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I've no idea, why not unplug them and check what no longer works - that will be what those wires are.

(I wouldn't personally but you might be the adventurous type)
 
Knowing my luck it would be an airbag sensor and i'd have a crash and die! Actually, I wonder if it is!
 
Airbag plugs tend to be yellow. But I wouldn't disconnect, you may get a engine management light instead !

R
 
Possibly the cabin air quality sensor. Measures humidity, dew point and NOX depending on which a/c you have
 
whitenemesis said:
Possibly the cabin air quality sensor. Measures humidity, dew point and NOX depending on which a/c you have

I've got the dual digital thermo whatever it's called!
 

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