paint code/name?

[BIG_G_1979]

Hi guys can anyone advise me of the correct name for my car colour as I need a touch up it says on my data card "775. Ubright metallic silver clear coat" maybe im being silly and its actually called ubright? Thanks e280cdi sport 06

 

[Druk]

Google suggests it's Iridium Silver.

https://www.google.co.uk/#q=mercedes+colour+code+775