Question about 2002 Mercedes-Benz C-Class

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Do not have model but my sis bought an old (maybe 199l? l993?? or so) sedan. BATTERY dies constantly; replaced. she said in the manual it says you have to drive it every single day for 5 mi to keep it charged? now a separate prob: $300 spring needs replacing too. looking for info about this battery dying issue. anyone heard of this; where can i read about old mercedes with this problem? i think it has l99,000 miles on it.

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Do a battery leak test, separate the neg cable and jump it with a test light, it should light and then dim, if not something is staying on, look for a light or radio that is staying on, i usually pull the fuses one at a time till the light goes off, but dont get fooled by the ecm fuse it always draws a little, then chaeck cables on the battery , and check alternator voltage charge, should be approx 14 volts, driving it every day is bunk, or there would be a lot of dead cars in the citywhere people use them only on the weekends, as for the spring i would have to see it

Posted on May 09, 2010

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