Kumar2024

I have a 2019 E450 Wagon which was parked in an indoor garage for the last 2 months. I was on an international trip and so I did not use the car at all. When I picked up the car yesterday, it popped an error saying "12 V Battery Partially Charged". It also said that on the "Mercedes Me Connect" iphone app under Service. I drove the car for a few miles last evening without any problems.

Do I need to do anything specific, like take it to the dealer, to address this? Or will the battery get recharged as I drive the car? The car is still under extended warranty.

All help is appreciated. Thank you!

W205C43PFL

The battery will get recharged after driving, recommend driving for at least 30 minutes above idle RPM, like constant highway driving for the 30 minutes, or if you are worried, MB recommends 30-60 minutes so you could drive for 60 minutes.

If you don't often drive the vehicle, say a month or two, put the vehicle in standby mode in behind settings in the infotainment system COMAND. There is a problem with that though, it disables the anti-theft alarn system as well so you need to make sure the vehicle is secured in a garage before turning that on, turning it on will disable that alarm plus all the communications with Mercedes Me Servers.

W205C43PFL

Forgot to mention, turning on standby mode it stays disabled until next ignition cycle or accessory mode or if the battery is too low of a state of charge. You need to manually turn it on every time you want to use this feature. Hope this helps.

Kumar2024

This is super helpful, @W205C43PFL! And very clear! thank you!