Mercedes-Benz 2011 R-Class Operator's Manual page 347

Tires of the same dimensions
i BA: Both axles
R18 BA Alloy wheels
Offset
Winter tires
R19 BA Alloy wheels
Offset
All-weather tires
Winter tires
R19 BA Alloy wheels
Offset
All-weather tires
Winter tires
R19 BA AMG alloy wheels
Offset
All-weather tires
Winter tires
44 Not available as standard equipment or optional equipment at the factory.
Canada only.
45
46 USA only.
47 Tires with run-flat characteristics must only be used in conjunction with an activated tire pressure loss
warning system or TPMS.
R 350
8 J x 18 H2
2.64 in (67 mm)
44 255/50 R18 105 H M+Si
R 350
R 350 BlueTEC
8 J x 19 H2
2.64 in (67 mm)
255/50 R19 107 H XL M+S
255/50 R19 107 H XL M+Si
44
R 350
R 350 BlueTEC
8 J x 19 H2
2.64 in (67 mm)
47 255/50 R19 107 H XL M+S MOExtended
44, 47 255/50 R19 107 H XL M+Si MOExtended
R 350
8.5 J x 19 H2
2.52 in (64 mm)
255/50 R19 107 H XL M+S
44 255/50 R19 107 H XL M+Si
Wheel/tire combinations
45
46
345
Z