Thread: ML 430 Battery Replacement--Procedure to not destroy codes?
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Old 05-25-2005, 10:03 PM
G-Benz's Avatar
G-Benz G-Benz is offline
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
I don't believe you lose codes simply by changing batteries.

My ML retained MAS codes despite a battery swap. and several attempts to get the CEL to disappear by disconnecting the battery lead.

You can get the ML to get rid of the CEL light in this manner...but the code is still stored. The dealer pulled two pages worth!!!

My SL WILL NOT lose the SRS fault code that I inadvertently set off by disconnecting a cluster harness without first disconnecting the battery...so I have to take it to the dealer to get it reset.
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