Pretty sure my joints are going to hell too. My clock decided to restart itself after a couple Redline sprints today. I also now have this lovely problem where my whole dash and clock gets brighter when I apply the brakes... Yay old electronics!

 

Dumb question but the idiot cluster for the s5 is the only way to check for engine error codes right?

 

You can make the S4 code reader and use it on your S5.

http://2ndgenrx7.freeservers.com/error%20codes.html