2016 GLC 2.5 problem

[Dazzao01]

Hi, I have a problem with my GLC. A few months ago the battery sign with stop vehicle, leave engine running kept coming up. I charged the battery a few times and it didn't go away. Ended up replacing it but the sign came back shortly after. Also now the malfunction sign would come on. The car drove fine so I didn't bother getting it checked out. Today I tried to turn on the car but it wouldn't start and the abs sign came up along with three letters. I can't remember what they were but it started with E. I tried a few more times and the power steering fault sign came on. I went back a few hours later and now there is no power atall coming to the car. No lights on dashboard or anything. The car can't be locked either. One more thing i replaced the key battery a month ago cause the car said it was low. The sign came on again recently and the past few days it would sometimes say key wasn't detectable when I would have it in the car.

Anyone know what's wrong?

 

[AMGeed]

You should be able to lock the car with the metal key that slides out of the end of your fob.

Do you have the Eco stop/start function?
If so, I suspect your auxiliary battery needs replacing.

Edit..you are getting malfunction warnings like ESP because of low voltage.
I'd also test your main battery at rest. It should be a minimum of 12.6v fully charged.

 

[Dazzao01]

You should be able to lock the car with the metal key that slides out of the end of your fob.

Do you have the Eco stop/start function?
If so, I suspect your auxiliary battery needs replacing.

Yea it does. Hopefully that's it. Was worried there was a massive problem. Thanks for the help