You are right, after further research, a nice AMG Benz steering wheel (with paddle shifter) is in the $1500-$2500 range!! (??)

PS Check this out - $99 Shipped!

Aluminium Shift paddles for AMG Mercedes C63, CLS63 | eBay

Now just awaiting on pictorial instructions (video perhaps?) before I place my order! Although I consider my self tech-savvy - I need to ensure i can take this project on!