First World Problem - No doubt
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Junior Member
Joined: Jul 2008
Posts: 62
Likes: 1
E550 Cab
First World Problem - No doubt
I have a 2014 E550 Cabriolet and both the driver and passenger front seat. - Seat Belt "Valet" have stopped working ( I tried the switch on the central console )
I think I saw a PRESAFE error warning on the dash recently and the belts no longer hug you as you start the car - well maybe they do but since the Valet has gone home early I can't be sure — Ive checked all the screens on the Dash and Head Unit looking for a "reset" option but I can't find anything — IS there a reset switch / Check the fuse / or other way I can get these working agin - Ive only had the car under a month so I'm trying to get used to allies eccentricities
TIA Mark
I think I saw a PRESAFE error warning on the dash recently and the belts no longer hug you as you start the car - well maybe they do but since the Valet has gone home early I can't be sure — Ive checked all the screens on the Dash and Head Unit looking for a "reset" option but I can't find anything — IS there a reset switch / Check the fuse / or other way I can get these working agin - Ive only had the car under a month so I'm trying to get used to allies eccentricities
TIA Mark
Senior Member
Joined: Mar 2022
Posts: 267
Likes: 61
From: Chicago
Bi-Turbo E550 Coupe (W207)
High likelihood it’s the control unit in each side and it’s an easy fix. Buy a used control unit and don’t try and change the actual motor, that’s likely still in perfect condition. That was my mistake 2 years ago.
https://mbworld.org/forums/e-class-c...ent-issue.html
The part number is A2079004400 for drivers side. Not sure on passenger side. It is a drop in replacement, no rewiring or removing of extensive screws or door paneling. The control units are accessed from behind the carpetted side paneling in the trunk.
https://mbworld.org/forums/e-class-c...ent-issue.html
The part number is A2079004400 for drivers side. Not sure on passenger side. It is a drop in replacement, no rewiring or removing of extensive screws or door paneling. The control units are accessed from behind the carpetted side paneling in the trunk.
Last edited by ibbij; Oct 19, 2024 at 06:46 AM.
Out Of Control!!
Joined: Jun 2004
Posts: 13,799
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
icarsoft 3.0 or later edition
https://a.co/d/fsjJmhG
but a raving endorsement for this:
https://a.co/d/0KBlJdw
https://mbworld.org/forums/e-class-w...anner-sin.html
https://a.co/d/fsjJmhG
but a raving endorsement for this:
https://a.co/d/0KBlJdw
https://mbworld.org/forums/e-class-w...anner-sin.html
Last edited by PeterUbers; Oct 19, 2024 at 03:24 PM.
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Thread Starter
Junior Member
Joined: Jul 2008
Posts: 62
Likes: 1
E550 Cab
Peter. — many thanks I invested in an Icarsoft MB V3 and it displayed a whole bunch of fails when I scanned the car - I erased them all and none of them came back — Also Seat Valet has returned to work - so everything 100% …… for now
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