As others have noted, it is difficult for the Germans to lose this scenario. Heck, I lost all 4 steps of Panzer IVs and didn't kill any French tanks, and still won 8-4. I brought the PzIIIs and PzIVs up the main road, while the PzIIs skirted the edge of the map, staying away from the powerful S35s. As the Panzers approached, the French took opportunity fire shots at them to no effect. However, I decided to get clever as the Germans and moved the PzIVs next to 1 platoon of S35s for a point blank shot. And then the French won initiative, destroyed 1 step and demoralized the other. However, the other platoon of IVs and the IIIs kept racing for the exits, going overland to avoid the French in the towns. With only 2 tank leaders, the French found it difficult to pursue with all their forces AND set up flanking shots. However, one group of French tanks did head down the main road to cut off the Germans, and some of the tanks chasing overland set up an opportunity fire shot, and more PzIVs burned. The remainder were disrupted and kept crawling out of flanking fire shots 1 hex at a time while the PzIIIs and PzIIs scooted off the board. However, their luck ran out eventually and a point blank shot from an S35 unit took out another step. The step that had been demoralized eventually recovered, and by that time the 4 French platoons were able to get organized and shot them up.

The French deficiencies in leadership and the ability to only take 1 shot per turn because they weren't efficient turned this from what could be a close scenario to one where the Germans just have to hope the French don't roll a lot of boxcars. There's really no other way for the French to win. A "3" for a teaching scenario, a "2" for competitive play. It's very fast, though!