If anyone would like a copy I have translated Part 3 "Particularities de la 2.2" of the Murena Owners Handbook into English. Its a Word doc, so if you would like a copy let me know and I can email you the file or you can get it from teh link here..
https://dl.dropboxusercontent.com/u/99561763/Matra%20Handbook%20Vol.%203%20edit.docx
Starting Part 1 soon now the small job is done 
Your timing was good. I just downloaded your manual, since I was looking for the amount of coolant the Murena holds.
11,5 litters.

It will be expensive to fill it with waterless coolant.

(see my post on the stuff)