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1990 Mercedes Benz W124 battery warning light

Tiny
SIRI
  • MEMBER
  • 1990 MERCEDES BENZ W124
Electrical problem
1990 Mercedes Benz W124 Two Wheel Drive Manual

250 Diesel vehicle. Battery warning light comes up when the engine is started and goes off in the first half mile. This normally happens the first time the car is used in the day. The warning light may come up again for few seconds in the first half mile. Battery is ok. Alternator is Bosch 12V 55A. Will repalcing brushes in the alternator cure it? Please help. Thank you. Siri
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Monday, February 22nd, 2010 AT 5:55 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

This is sounding like sticky brushes, but if they are that worn down the alternator should be fully over hauled, just doing the brushes is only part of the job.

Mark (mhpautos)
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Monday, February 22nd, 2010 AT 6:11 AM

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