anyone know size of bolt on solenoid. 126 starter. Solenoid has 2 bolts with 17mm bolts but can't figure out the size of the small bolt that holds the small wire. Driving me crazy trying to guess

8? Maybe 7.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

The bolt size should be the same from the starter I put in my 1980 300SD w116

Two 17mm on the solenoid one of the bolts can only be reached by a socket. Only one needs to come off the other 17mm nut holds a wire running to the starter.
Then there is a Phillips screw holding the wires from the battery.

On the rear of the solenoid were the solenoid and starter are mounted together there is a 13mm nut.

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Nosce Te Ipsum "Know thyself"

I think I saw one (w116) in Sandwich, IL. (about fifty miles due west of Chicago on Ogden Ave/US 34) Pretty much complete, less than 70k before it was parked in a local barn, hauled out years later. Body rusty, but a good engine/driveline donor. It's in a salvage yard awaiting the crusher.