Mercedes-Benz 2009 S-Class Operator's Manual page 597

Same size tires
Model
S 450 4MATIC
S 550
S 550 4MATIC
Rims (light alloy) 8.5 J x 18 H2
AMG rims (light alloy) —
Wheel offset 1.69 in (43 mm)
19 255/45 R18 99H M+S
All-season tires
19,20,21 255/45 R18 99V M+S.
Winter tires
17 Canada only.
18 USA only.
19 Radial-ply tires.
20 For use with snow chains contact an authorized Mercedes-Benz Center.
21 Not available as factory equipment.
S 550 4MATIC
17
18
8.5 J x 19 H2
—
1.69 in (43 mm)
255/40 R19 100Y XL (Extra Load)
M+S
—
Technical data
Rims and tires
S 450 4MATIC (AMG Sport Package)
S 550 4MATIC (AMG Sport Package)
—
8.5 J x 19 H2
1.69 in (43 mm)
255/40 R19 100V XL (Extra Load) M+S
255/40 R19 100V XL (Extra Load)
M+S.
17
Z
595