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Old 05-12-2008, 10:03 PM   #1 (permalink)
kevdog1000
BenzWorld Junior Member
 
Date registered: Jun 2007
Vehicle: 1980 300D, 1985 300TD
Posts: 10
Starts Intermittently

Hi experts:

I have a 85 300 DT that is having difficulty starting. After I let the glow plugs warm, I turn the ignition and get a "click" sound. I assume that it is the battery, but here is the weird thing; If I try to start it a few more times, it will start. It can take as little as 2 or as many as 10 ignition sequences before it will turn over. Whenever it turns over it starts. At rest it is over 12V, but barely. When we try to start (on the unsuccessful tries) it drops a little; maybe below 12v. After it is running it pops back above 13v; which makes me think that the alternator is fine. I have not changed the battery in the 2 years we have owned the car.

Any suggestions?

Kevin
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