Best Friends, Co-workers
They are very good friends and are together a lot of time, either in an interview, in their homes or on the street.
- Both have three tattoos.
- Both are Argentinean.
- Both have a name that start with M.
- Both are actresses and singers.
- Both were working on Violetta in Concert.
- They both love their fans.
- They are both currently in relationships; Martina is dating an actor named Peter Lanzani; and Mercedes is dating also an actor named Xabiani Ponce De Leon, who will play Marco Tavelli in Season 2.
- Both are a part of the main cast of "Violetta".
- Both have natural brown hair.
- Both had their first appearence on TV in Violetta.
- Both have blonde hair.
- Mercedes is 21 and Martina is 17.
- Mercedes' birthday is in October and Martina's is in March.
- Mercedes' eye color is hazel and Martina's eye color is brown.
- Mercedes was born in La Plata and Martina was born in Buenos Aires.
- Their relationship is totally different to the one between Violetta and Ludmila.
- They are best friends on the set of Violetta.
- Martina's mom, Mariana, loves Mercedes like her own daughter.
- They are like sisters to each other.
- Mercedes wrote a song named "Luz" (Light) for Martina. 
| To view the Mercina gallery, click here.