Where can I find service&gen history for c250 I'm buying??

[RoxanneRees]

I'm totally new to MB and am purchasing a 2012 C250 AMG I have the vehicle reg but not the VIN where can I find out it's history including services I'm told it has had before I commit to buy on Saturday?! Help kindly appreciated!

[Chris200]

All service history is logged and kept electronically by Mercedes so they will be able to advise.