1973 280se help, no spark - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 07-10-2011, 12:55 PM Thread Starter
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Angry 1973 280se help, no spark

i was given this car from my gramps and the story i have gotten is that he took out a wire so that it wouldnt start (because he didnt want it stolen!!).. it gets fuel, builds pressure, there just isnt a spark.. this is a carb. engine, so no injectors. please any suggestions? any photos of engine compartment, to maybe see if there's anything missing??? PLEASE HELP!!
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post #2 of 3 (permalink) Old 07-10-2011, 02:11 PM
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Just one suggestion: Historically, the thing was to pull the coil-to-distributor wire to disable a car.

Simple, but effective. Doing so on a later injected car could blow a control module (EXPENSIVE), but it was a common trick.

There may be other wires that can be pulled, so don't bet on this being the one.

Good luck

Remember: It's not just a car. It's an Adventure.
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post #3 of 3 (permalink) Old 07-10-2011, 07:01 PM
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Originally Posted by tonyowner View Post
.. this is a carb. engine, so no injectors.
How is it a "SE" but a carbureted engine? the E means fuel injected.

If it is a 73 and you are in the US and it actually is fuel injected I believe the only engine in it would be one with bosch d-jectronic fuel injection. If I were to pull one wire to make the show stop it would be a small red wire that attached to the positive battery post and then connects to the "ECU" to provide power to the fuel injection. So assuming all the above is actually the case (and these are some big assumptions), I'd check for that small wire for starters.

Last edited by galaxyjb; 07-10-2011 at 07:08 PM.
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