If you replace fuse #8 and it's still not working right, I would pull the instrument cluster and jumper terminals 30 and 87 of the K38 relay. This is the relay that disables the ignition if the anti-theft device under the passenger floorboard is unplugged. This link will show you where the K38 is and how to jumper it. http://www.peachparts.com/shopforum/...1993-w124.html
Don't worry about unplugging the anti-theft module; just go for the silver ice cube relay (K38) and bypass the starter kill circuitry. The instrument cluster will come out if you can hook a 90 degree pick behind each side and pull it straight out towards you. You might have to extend the telescoping steering wheel to get it out. Mercedes makes a special hook tool for pulling the instrument cluster out (pic), but you can improvise.
Good luck and let us know how it goes.
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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles
Last edited by emerydc8; 08-03-2014 at 03:24 AM.
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