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#1
09-23-2003, 04:05 PM
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2000 s500 seats
i have bought a set of 2000 S500 seats and want to install them in a non mercedes auto. the seats in the existing car are electric so power is available to the seat. i can fabricate the supports and even work seat switches into the base fabrication. do i just need a set of switches for this car or are there more controls, computers, etc in the wiring for the front seats.
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2001 cl500 sold, 2001 ml430,2003 sl55 silver, pano 
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#2
09-23-2003, 07:39 PM
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It won't be easy if at all posible. The switches in W220 are not wired directly to the seat motors. They are connected to the CAN and the seat control/memory module (located under the seat) reads requests from the CAN and provides output to the motors. Each motor has Hall sensor and feeds position back to the control module.
Reg. Mike
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#3
09-24-2003, 06:53 AM
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what does CAN stand for. I have access to used mercedes parts. can they be reconstructed? thanks, steve+
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2001 cl500 sold, 2001 ml430,2003 sl55 silver, pano
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#4
09-24-2003, 11:51 AM
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Anything can be done it is just a question of time and money.
CAN (Control Area Network) similar to the internet in some ways. Information is inputted to one device (DCM-Door Control Module) Lets say you request “Move Drivers Seat Forward” this is processed by the DCM than sent to the 2 line (Hi & Low) bi-directional digital path or the (CAN) This information (data) is either processed or ignored depending on a control units programming so in this case the Drivers seat module will process the information and fulfill the request. Every control module on the network receives the info but if a request to “Move Drivers Seat Forward” is initiated than the dome lamp module should not move or operate the dome lamp assembly. If for some reason you discover the dome lamp moving after requesting “Move Drivers Seat Forward” than you must submit the problem to this forum so we can all scratch our heads and say “Haven’t seen that before!!”. Each CAN on the vehicle has a preset operating speed. I believe MB is using 4 networks with gateways between them for inter connectivity and the highest speed is 128kps currently. You have a challenge getting the seat to operate the way it was designed but that’s not to say it will work that way in your car. You may need to bypass some of the electronic controls to simplify your overall investment of time and money. Good luck 
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#5
09-25-2003, 06:55 AM
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G** D**** this is complicated. can't i just get a set of switches and wire thru them to the various motors wired to the hook up connector in the seat. simply controlling each motor as needed? each motor should react to a power input separately.
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2001 cl500 sold, 2001 ml430,2003 sl55 silver, pano
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#6
09-25-2003, 10:55 AM
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Quote:
Yes, you should be able to construct a switch panel that will operate the seat motors. Just make sure you use a "Fused Line" for the positive lead to the seat. Have fun and keep us posted!
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#7
09-26-2003, 06:44 AM
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wiring diagrams would be great! you email to igrd@erols.com or fax to 410-646-7820. thanks, just trying to put these seats into my ford f150.
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2001 cl500 sold, 2001 ml430,2003 sl55 silver, pano
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