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#1
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S320 drivers seat won't adjust
I was in town today, and wanted to change the position of the driver's seat while I waited, but none of the switches would move the seat one iota in any direction at all... I checked the passenger seat, and it seems that the seat there works. I tried restarting the car, nothing, shutting the car off, taking the key out, and opening the door and adjusting while the door was open. no luck... I pulled the fuses, and all appear to be in good condition.
I recently changed the battery and the horns on the car, as well as doing a brake job.... What would be the next things to check to try to fix this problem??
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All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#2
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Check the switch and make sure it is getting power.
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1989 300CE |
#3
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How do I get access to the switch?? I'm betting it will involve taking the door pannel off... How is that done??
I went out, and I'm not hearing anything but the switch click. Unlike the passenger side, where you can hear something click under the seat before the seat moves...
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic Last edited by amosfella; 10-13-2011 at 11:53 AM. |
#4
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Is there a trim piece around the switch that looks separate from the panel? Maybe you can just remove some of the wood trim around the switch instead of the whole door panel. A search should reveal the procedures.
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1989 300CE |
#5
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Looks about right. Have to try later...
95 S420 front door panel removal
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#6
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I should mention that I put a battery charger on without unhooking the battery...
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#7
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Checked the connector at the door switch, no power, but is there supposed to be power there???? The wires look awefully fine for carrying 30 amps...They look more like electric selinoid control wires that work off of resistance...
Is there any way to get the seat to move manually to get it out and test there??
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#8
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Found the controller under the seat. There are 2 wires with power. 12v... is there a way to make the motors move without the computer in?? If I could maneuver the computer out through the back, as the seat isn't right to the floor, is it possible to hook 12v battery, and use the motor leads to move the seat around so I can get the computer in easier??
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#9
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Was able to move the seat by hooking up 12v leads to the motors first through the power leads on the motor connection to raise the seat, and then through the leads connected to the computer. There are 5 wires hooked to each motor lead. The 3 smaller gauge wires are potentiometer or something like that, and the thicker 2 are the power. As the motors are reversible, a current one way through the power wires will move the motor one way, and reversing the current will move it the other way. If one has to move the seat through the motors, the set where only 2 wires connect to the motor are the ones to use.
The motor the moves the seat from forwards and backwards was in the center of the set of 3 motors. I opted to use the leads to move the seat there... I couldn't get my hand in to get the leads to move the seat upwards, so I used a long set of solid steel 'lances' to adjust from the motor...
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#10
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So, I took the computer out from under the passenger's seat, and hooked it up to the driver's seat. Everything works as it should, except the headrest refuses to go up. That was a problem when I tested all controls on the passenger seat before taking it out. I'm guessing that the current shock from putting the charger on the car damaged that as well... Now all I need to find is a piece of zebrano trim and 2 seat computers... I broke the tabs taking the seat switch out of the driver's side....
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#11
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Got a seat computer under the passenger seat today... Headrest isn't moving, but it sounds like the motor is trying to move... Everything else works...
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
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