Key Fob not working...Its Eclass 2013 on 62 plate not sure which battery to get for it...cr2032 or cr 2025 any help please...

[Carl Gosney]

Key Fob not working
Its E-class 2013 on 62 plate not sure which battery to get for it...cr2032 or cr 2025 any help please...
use the key open it put fob in and it works drive a few miles...take it out locks and unlocks it...
but leave it for 15 minutes and it will not open doors...
so thinking battery just battery i hope...

Thanks for looking

 

[Germgh0st]

The number should be on the back of the battery if you open the fob up.

 

[st13phil]

You should get a warning message on the cluster if the fob battery needs replacing.

 

[Carl Gosney]

Not got one took grandkid football last training last night did not work...
Had no warning on screen...

 

[DSM10000]

So open your fob and read the battery type.

You will have to open it to replace iy6.

 

[Carl Gosney]

The battery Cr2025 thanks...just hope it works...
Wife key works ok...