Hi Benjamin,We have a 1994 Dethleffs and are having the same problems as you did.Can you tell me if it was Hervé Friedmann who sent you the coc.Dethleff france have told me that no vehicules of this era have been immatriculated in France.They cant supply any paper work at all and neither can Dethleff Germany !!!! I would be really grateful if you could contact me concerning this.cheers Antoinette