Cant clear charging system error - Mercedes-Benz Forum : AMG Forums
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post #1 of 1 (permalink) Old 10-20-2016, 04:56 PM Thread Starter
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Question Cant clear charging system error

As a new member I dont know if a thread on this problem has been posted.
4 Months ago the alternator's regulator went faulty on my 2005 model 220 cdi w203 chassis
The local auto electrician replaced it and the alternator is fine now, charging at 14 volts dc measured on my fluke digital meter.(checked with another meter) When switched of I measure about 13.6 The auto electrician could not reset the following message: Battery visit workshop
I took the car to a garage and the diagnostics report the charging voltage as 11.4
according to the mechanic I need to replace the alternator which doesnt make sense
Why the discrepancy between the diagnostics and my meter reading(2 meters) Not once did i have any problems with starting or whatsoever
Please advice
chrisviv is offline  
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