Rim designation - GF40.10-P-1010-01A

Fig 1: Example Of Rim Designation

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Wheel Offset, Hump, Internal Rim Width And Rim Diameter

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Sheet-steel disk wheel 

Fig 3: Identifying Sheet-Steel Disk Wheel Designation And Identification Marks

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Light alloy rim 

Fig 4: Identifying Light Alloy Rim Designation And Identification Marks

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.