W211 e55 voltage regulator

[jamiet1986]

Pretty sure my voltage regulator is gone. How do I know what one to get without taking it off first for the part number are they all the same?

Thanks

 

[Wantok99]

Did you sort this out? Mercedes should know the part number

 

[jamiet1986]

Did you sort this out? Mercedes should know the part number

Yes ended up replacing both battery’s