Disconnect ground cable from battery? - Page 2 - Mercedes-Benz Forum

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post #11 of 12 (permalink) Old 02-05-2009, 08:51 AM
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In the newer models that have so many electronic control modules they have advised not to D/C the battery with all repairs due to programing issues but there is warning to heed certain precautions.
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post #12 of 12 (permalink) Old 02-05-2009, 01:16 PM
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There always the chance the electric cooling fan can start up and re programme the number of fingers you have. And keep the key in your pocket while working and not in the ignition.
Pull the fuse of the component you are working on and that way nothing has to be set up again and those with radio codes (usually forgotten) have less to worry about.

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