Notes on various body materials - AH60.00-P-0011-01SX

Model 216, 221 

Illustrated on model 221 

Hot-shaped steel (Usibor) 

Fig 1: Identifying Inner B-Pillar And Inner Side Longitudinal Member

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Plastic And Aluminum Components

Courtesy of MERCEDES-BENZ USA

Shown on model 221 

Plastic component 

Aluminum components