E-Class (W212) 2010 - 2016: E 350, E 550

Airmatic relay has no power

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Old 10-12-2018, 04:12 PM
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2011 Mercedes Benz E550 4matic
Airmatic relay has no power

So I figured out why my car was on the ground it was bc my pump wasn't on so I ordered a new relay and in the meantime i just put a jumper wire to pump up the car when I went to take the jumper off I made the mistake of letting the wire hit metal..it arked and now there is no power to the relay...is there a fuse for that relay or how do I fix my mistake
Old 10-12-2018, 04:53 PM
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Check front SAM f12.

Old 10-15-2018, 03:34 PM
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2011 Mercedes Benz E550 4matic
Originally Posted by konigstiger
Check front SAM f12.
what is the Sam
Old 10-15-2018, 03:46 PM
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S.A.M.- Signal Acquisition Module
Old 10-15-2018, 05:15 PM
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Originally Posted by Nathan_toast
is there a fuse for that relay ?
It would be a very normal and desirable thing to fuse the b+ output of a relay.
konigstiger says Check front SAM f12 (that's the fuse number in the fuse box).
Should be an easy fix if the fuse is the only problem.
Old 10-15-2018, 05:16 PM
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Originally Posted by Nathan_toast
what is the Sam


Old 10-16-2018, 02:33 PM
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F12 is a 7.5 amp fuse and it is not blown I even replaced it with a new one and that didnt do it either
Old 10-17-2018, 12:40 PM
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I don't know why your car might be different, but it might, here is some information about fuses for the W212: http://www.mercedesmedic.com/e-class...ram-2010-2016/

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