2. Remove the 2 large 17mm fuel lines from the side of the fuel distributor. 3. Remove the 10 mm bolt that holds the bracket down for these 2 lines and set the lines aside. Move these to the side as a unit. 5. remove the 5 mm allen bolt holding the air tube onto the cold start valve. Most accurate/easy is to measure from the center of the wheel to the top of the fender arch. This is a common measurement you can compare with other owners or at least track your own changes. I believe you're exactly right about the 18mm change. 1989 560SEC, 1989 560SEL, 1995 E420. Norcal, SF Bay Area. MB126.COM Series W126 MERCEDES BENZ 126 WORKSHOP MANUALS. Service, Maintenance, Repair, Models 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 380SEC Mercedes-Benz 420SEL - W126 1986 to 1991 NOT FOLLOWING FOLLOW 9 for sale CMB $13,812 directions_car 560 SEL directions_car 500 SEC The module you are looking for is in the passenger side footwell. It is behind that carpeted side piece of trim that extends from the door jamb to the false firewall. The computer is black, with various Bosch logos and information printed on it (sometimes they say Jetronic on the side). It is almost a foot tall and about 6-7 inches wide, and W126 S,SE,SEC,SEL,SD,SDL Class BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz I6Mp.

mercedes benz w126 420 sec