Tire size Pressure specifications
in bar/PSI
Rear: 315/40 R
21 115 Y XL
- 3.1 / 45
Front: HL
275/35 R 23 108
Y XL
3.3 / 48 -
Rear: HL 315/30
R 23 111 Y XL
- 3.4 / 49
Front: 275/40 R
22 107 Y XL
3.4 / 49 -
Rear: 315/35 R
22 111 Y XL
- 3.4 / 49
F: 275/40 R 22
107 H XL M+S
3.4 / 49 -
R: 315/35 R 22
111 H XL M+S
- 3.4 / 49
Tire marking
Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: cross-sectional relationship in %
R: radial tire code
18: rim diameter in inches
96: load bearing capacity
Y: speed code letter
ZR tires: reinforced radial tire for speeds ex-
ceeding 150 mph/240 km/h
Maximum tire load
Maximum tire load is the maximum permissi-
ble weight for which the tire is approved.
Locate the maximum tire load on the tire
sidewall and the Gross Axle Weight Rating –
GAWR – on the certification label on the driver
door B-pillar. Divide the tire load by 1.1. It must
be greater than one-half of the vehicle’s Gross
Axle Weight Rating – GAWR. Note, front vs.
rear GAWR and tire loads, respectively.
Speed letter
Designation Maximum speed
Q up to 100 mph/160 km/h
R up to 106 mph/170 km/h
S up to 112 mph/180 km/h
T up to 118 mph/190 km/h
H up to 131 mph/210 km/h
V up to 150 mph/240 km/h
W up to 167 mph/270 km/h
Y up to 186 mph/300 km/h
(Y) above 186 mph/300 km/h
Tire Identification Number
DOT Code: DOT xxxx xxx 1923
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
1923: tire age
Tires with DOT codes meet the guidelines of
the U.S. Department of Transportation.
Tire age
Recommendation
Regardless of the tire tread depth, replace tires
at least every 6 years.
Production date
You can find the tire production date on the tire
sidewall.
Designation
Production date
DOT … 1923 19th week of 2023
Seite 340
MOBILITY
Wheels and tires
340
Online Edition for Part no. 01405A8A608 - VI/23
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