Date registered: Sep 2010
Vehicle: 72 250c
Location: Near Calgary, AB
Mentioned: 0 Post(s)
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First Mercedes, electrical trouble.
First off, hello out there! I've been visiting this site for the past month and have found it to be a great source of information, however a problem has been confounding me with a 72 250c. Its in a fairly bad state of repair, but due to it being a gift. I've been slowly trying to get it running. The engine cranks perfectly fine, but there is no spark.
In trying to repair the problem, I've replaced a cracked distributor cap, adjusted some wiring, timed the spark wires, replacing them with new wires. There was two coils in the vehicle at the time of purchase, and I have installed one of the coils that seems fine in my tests. I have also replaced all the fuses, which also lead to the same result.
I do not trust the wiring job that is currently in place, but having no electrical diagrams has been a problem. The lighting is perfectly fine, and when the car is turned over, the lights dim, making me assume it isn't a problem with the ignition switch.
I'd be a great help for any advice on the situation, I can provide pictures of whatever is required. I really hope to get this 250c back on the road. It doesn't deserve to keep rusting away in a field.