My father owns a Renault Master and I wanted to make one in Lego. The nose looks looks more like a VW Crafter and the rest looks like a new model Mercedes T2. So in my oppinion the operation failed, but the creation is quiet satisfing. The wheels thou might be a bit bigger.
You're right saying that the wheels are a bit small, though the rest of the fan looks really good! I like the front with the license plate! The rear looks pretty nice! I like how you did those tube-things on the roof!! 5/5 =D