2002 Mercedes Benz C230 I can't fix it

74,400 MILES • 4 CYL • 2WD • MANUAL
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HUESOS
  • MEMBER
  • 1 POST
02 mercedes benz c230 alternator is ok but better still low
Aug 8, 2008 at 1:37 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

have the battery load tested, check all terminals are clean and tight, and get a current draw test as this swill show if the battery is being discharged with all systems turned off also check that the Alt is not allowing a discharge due to a faulty diode.

Mark (mhpautos)
Aug 8, 2008 at 8:17 PM
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