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post #3 of Old 12-21-2017, 06:17 AM
eric242340
R.I.P Always Remembered
 
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Join Date: Jun 2009
Vehicle: Zotye 1.5T 2016 model
Location: Sichuan province China
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What type of diagnostic equipment are you using? Standard OBDII equipment is of no real use with MB. Change the Aux battery and take the car to a workshop who has Star Diagnostic test equipment ask them to do a diagnostic check using their equipment. You will be surprised at the number of faults it finds.

With MB a low voltage situation affects almost all the electronics on the car and a diagnostic read out with star will show low voltage faults all over the cars systems.

Once the battery has been changed and all fault codes cleared you will be in a good position to look for a power drawdown, and a drawdown is not uncommon on Benz.

And would you really allow cheap parts on your aircraft?

ERIC
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