Based on the effect you had by jiggling the battery cables, and my experience with my 240D, I would say replace the negative battery cable and the terminal of the positive battery cable. Be prepared to replace the positive cable if you find it corroded inside the jacket.

__________________
Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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