Up for sale are two (2) Balo brake discs.  The sku for the discs is 124-423-05-12 which has been replaced with new sku 203-423-01-12-90 and they fit Mercedes C-Class models.  
 
This part fits the following vehicles:

2001-2007 C-Class: C 230, C 230 1.8, C 230 CL, C 230 CL 1.8, C 240 2.6, C 240 4MATIC®, C 240 S, C 240 S 4MATIC®, C 280, C 280 4MATIC®, C 320, C 320 4MATIC®, C 320 CL, C 320 S 4MATIC®, C 320 Wagon, C 350, C 350 4MATIC®

2005-2011 SLC-Class (SLK-Class): SLK 280, SLK 300, SLK 350