Battery warning

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Lwebb

New Member
Joined
Apr 16, 2018
Messages
6
Location
Ledbury
Car
C250 TD W202
Hi all, my W210 E300td recently had a refurb on it’s alternator. It charges fine and battery appears to hold charge.
Problem is I’m still getting a red warning with a beep every time I start and stop the car... Amy suggestions would be appreciated as this is getting quite annoying!
 
I'm fairly sure that the red warning is triggered by battery voltage, so put a voltmeter on yours and see what voltage is when the warning is triggered. My guess is that a new battery will fix it.
 
Sure, I’ll try that. I’ve read the battery but only when the car is running so guess it’s charging well but not holding overnight!
 

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