1973 300SEL 4.5 - Page 2 - Mercedes-Benz Forum

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post #11 of 11 (permalink) Old 07-04-2011, 12:06 PM
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Date registered: Sep 2008
Vehicle: 1975 450SL
Location: Phoenix
Posts: 2,432
Mentioned: 2 Post(s)
Quoted: 15 Post(s)
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One reason that the ignition switch is overlooked as a problem on European cars is that many of them use a D+ wire. This is a wire that supplies battery voltage to the alternator, and through the regulator and other electronics, to the field windings. Without that voltage, there won't be any output to charge the battery and run the engine, essentially making you run off the battery, until it dies.

I'm not saying that this is your problem, of course. It is only one possibility to look into, and the info may help someone else, if not you.

Keeping these beautiful things on the road is sort of the reason.

Best wishes,

Remember: It's not just a car. It's an Adventure.
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