E-Class W212 Sunroof drain holes

[Candellara]

Hi All,

My E350 estate has been dropping some water in and wetting the headlining around the front nearside of the sunroof opening

I can't seem to locate the sunroof front drain holes - has anyone got a picture with and arrow to help me find these (as it's not immediately obvious)

I think they need a shot of compressed air