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Photo DIY- Battery Service

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Posted 3/28/2011 8:52 AM

G-AMG
G-Class DIY Host

Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000

Photo DIY- Battery Service

Yes, another overly pragmatic post on a bread & butter subject... but a item we can often "overlook".

Since batteries are such a Mission Critical Item, I like to keep mine in tip-top shape, so I am not left stranded somewhere unpleasant.

A good preventative program (ie. at each B-Service) should detect a bad cell prior to battery failure, and one of the ways to protect from a failure is keeping the fluid levels/acid balance in the normal range.

Just a few notes,

1- You are working around ACID (Corrosive), and Hydrogen Gas (explosive) so use appropriate protection.

2- When performing a conductance test, it is important to do the test with the battery in a "relaxed" state. This means several hours after driving, OR if you have driven the car, you must turn on the Headlights for 30 seconds, turn them off, then wait a few minutes for the battery to "normalize".

G