The snow tire button in the center top of this picture indicates that a 1991 S-class is equipped with optional ASR traction control. (Photo credit: Sean Connor)
The 1980-1991 Mercedes W126 S-Class: A buyer’s overview
The 1980-1991 Mercedes W126 S-Class: A buyer’s overview
The snow tire button in the center top of this picture indicates that a 1991 S-class is equipped with optional ASR traction control. (Photo credit: Sean Connor)