Seat problem(s)

1998-Present CLK200, CLK230, CLK320, CLK350, CLK430, CLK500, CLK55 AMG, CLK63 AMG, CLK DTM AMG
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PeterQ
B Class
Posts: 20
Joined: Mon 26 Jan, 2015 6:18 pm
Model you own: w116
Region: Western Australia
Location: Bridgetown

Seat problem(s)

Post by PeterQ » Mon 04 Jun, 2018 8:09 pm

The power to my passenger seat is disconnected as, when connected, the battery flattens overnight.
So today I thought I'd take a look at that, following seeing a YouTube fix which basically cuts the permanent power supply and makes all of the power supply to the seat switched by the ignition key. First problem is that the connector plug referenced in the video only has two wires on my car, not three. So, I disconnected the battery (didn't want to find out if the airbag works), removed the plastic side covers and tried to undo the two torx screws at the front of the seat so that I could tilt it back and get to the black boxes under there. No chance, they are immoveable. So then I removed the seat cushion. Not too hard even if the fastenings are not like the WIS said. Pulled out the cushion, no wires attached to it or any place I could see to do so.
But I did find a 3 core wire dangling in the breeze. The first picture shows three of the connectors, my stray wires come from the back of the connector/socket on the right.
DSC_0602.JPG
This second shot just shows that the 3 cores are white, brown, and red.
DSC_0604.JPG
Does anybody know what these are for and where they are meant to go? I'm guessing they've either been pulled from an existing connector or there's a connector missing completely.
Re-attached the control module box (which was hanging loose) and got it all back together but now the SRS light and "Pass air bag off" light are on - any ideas what I may have disturbed there would be appreciated.
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2003 CLK500 convertible, latest successor to:
2006 W164 ML350 - 1999 S430L - Audi A6 C5 V8
Holden Crewman Cross 6 - Ford Territory - Holden Commodore VZ 6 speed Ute
Mercedes 450SEL 6.9 - Ssangyong Musso 3.2 - Mercedes 450SLC
and a litany of others...

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John Green
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Model you own: w112
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Re: Seat problem(s)

Post by John Green » Thu 07 Jun, 2018 11:14 am

Passengers seat should have a child recognition pad? Switchs the passenger air bag off if a person under a certain weight sits in it. So should have wires. My guess is that they are there, jut broken.
M.B Spares & Service 14-16 Lyell St, Fyshwick ACT. Ph 02 6239 1099

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PeterQ
B Class
Posts: 20
Joined: Mon 26 Jan, 2015 6:18 pm
Model you own: w116
Region: Western Australia
Location: Bridgetown

Re: Seat problem(s)

Post by PeterQ » Thu 07 Jun, 2018 10:20 pm

Thanks John, same conclusion that I'm heading towards... which won't fix the battery drain problem, just the problem that I probably created.
2003 CLK500 convertible, latest successor to:
2006 W164 ML350 - 1999 S430L - Audi A6 C5 V8
Holden Crewman Cross 6 - Ford Territory - Holden Commodore VZ 6 speed Ute
Mercedes 450SEL 6.9 - Ssangyong Musso 3.2 - Mercedes 450SLC
and a litany of others...

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