2013 SL550 Auxiliary Battery malfunction message just came on, can anyone tell me where the Aux. Battery is located at? thanks in advance.

 

Hello and welcome to the forum! Take a look at the link below to an earlier thread where this is discussed. Hope this helps. Please let us know if you have any other questions or if we can assist with any future part needs.

https://mbworld.org/forums/sl-class-...-mb-sl550.html

 

 

Hi Sponsor,

It's taken me long enough that I could not live with that the Aux Battery light being on any longer.

So I ordered the aftermarket battery from Amazon for $44.-, followed your link, took care of it in about 45 minutes.

It's really not that bad to replace it, thanks again.