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Old 04-03-2003, 05:01 PM
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jsmith jsmith is offline
Join Date: Aug 2001
Location: At Sea
Posts: 1,729
ok here's my collection, the key is to understand how the relays have to be wired and how you splice into the harness (it's just one wire that drives the pump):

Relay Guide

Trunk method (this was the approach i took)

Mercedesshop guide

Simpler method than mercedesshop procedure

They are all hard to digest and you have to map out all the different pieces of information.

I would get the remote unit working before installing and make sure it supplies the +12v and ground as required before hooking anything up. I used a lantern battery for this purpose. Then I would get it working locking and unlocking the car and last I would hook up any light flashing / beep convenience features(don't have those links cuz i didn't do em).
1993 300e-2.8
- gone now <sigh>
"Do not adjust your mind, it's reality that's malfunctioning"

Last edited by Bill Wood; 04-10-2005 at 08:52 PM. Reason: update link
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