The Crossfire was built in Austria at the Karmann plant.

The erraly Ford Mustang was built on the "Fox" platform and called the F-Mustang.

The crossfire was built on the "ZH" platform while the SLK was built on the "SLK" platform.

It did not have anything to do with options or configuration simply the manufacturing tooling, equipment and the assembly line configuration.

Kraft makes bacon and balogna and the bacon is made on the bacon line while the balogna ia made on the CLSP line but still meat with resources directed acording to line disagnation.