Ahhh okay, so I can say that the models from years 85-93 did not come with it? It was just a great suspension configuration that prevented the car from slipping in some scenarios? Makes sense.

They're such great cars! I miss my 300E sometimes

__________________
78 Datsun 280Z
86 Peugeot 505
14 Jeep Wrangler Unlimited

“Owning a car is like owning a dog. Every now and then, it craps on the carpet — but it’s still your dog.” - Jeremy Clarkson