Tire size

Example: 255/55 R 19 107 V
255: nominal width in mm
55: aspect ratio in %
R: radial tire code
19: rim diameter in inches
107: load rating, not for ZR tires
V: speed rating, before the R on ZR tires

Speed letter

Q = up to 100 mph/160 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

    See also:

    Display
    The following is displayed in the instrument cluster. Speed limit detection ► Current speed limit. ► No speed limit - for the German autobahn. ► Speed limit detection is not ...

    The concept
    ► Most functions that are displayed on the Control Display can be operated by spoken commands via the voice activation system. The system prompts you to make your entries. ► Function ...

    Display on the Control Display
    Display the computer or trip computer on the Control Display. 1. "Vehicle Info" 2. "Onboard info" or "Trip computer" Resetting the fuel consumption and speed 1. & ...