You'll be pleased to learn this is an _extremely_ common failure on ALL Bosch starters and you can fix it at home ~ just buy a new solenoid and install it , take the time to clean up and re grease the starter while it's off the car for service and it'll last you a long long time .
If you're hard headed (I was) you can fiddle with the solenoid proper , polish it's internal contacts until they shine like mirrors , hand polish both the heavy slug and the tube it slides in and lubricate it with greasless lubricant and it'll work a while longer before stranding you again , for reasons I'll never understand , Bosh solenoids get internal wiring resistance problems that preclude acceptable rebuilding .
I , personally , use the NAPA " Echlin " brand solenoids and have never had one fail yet .
-Nate
Jim wrote:
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> One time without warning, it just didn't work when I turned the key. I verified the solenoid was getting voltage when key turned to start position. I whacked on starter and solenoid case, no help. 4-speed so I jump started it, drove it a few miles, stopped it again at the top of a hill, starter still dead. Jumped it again, drove it to auto parts store, left it running and locked as I went inside and bought the rebuilt one. Drove home with the replacement, parked, turned it off, and just for kicks, tried to start it again...and of course it worked. I swapped it out anyway. I kept the old one, will be taking it to a local rebuild shop, maybe they will see the problem.
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> Jim
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[diesel_mercedes] Re : Bosch Starter Service
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