Mercedes 12V Battery Message - Web what to do. Web then, in the blink of an eye, a red message appeared on the dash saying something like “12 volt battery low. This warning message appears as soon as the state of charge (soc) of the 12v primary battery drops below 45%. Web just getting used to the car, but i switched on today and a message appeared in the display: Dealers will make sure the 12v battery is secured properly free of charge. Web have you hopped into your mercedes and turned the key, only to see a message that shows a 12v battery and. Owners will be notified about.
Owners will be notified about. Dealers will make sure the 12v battery is secured properly free of charge. Web just getting used to the car, but i switched on today and a message appeared in the display: Web have you hopped into your mercedes and turned the key, only to see a message that shows a 12v battery and. This warning message appears as soon as the state of charge (soc) of the 12v primary battery drops below 45%. Web then, in the blink of an eye, a red message appeared on the dash saying something like “12 volt battery low. Web what to do.