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:

    Using voice activation
    Activating the voice activation system 1. Press the button on the steering wheel. 2. Wait for the signal. 3. Say the command. The command appears on the Control Display. The symbol on the C ...

    TRACTION
    Maximum traction on loose road surfaces. DTC Dynamic Traction Control is switched on. Driving stability is limited during acceleration and when driving in bends. Activating TRACTION Press the ...

    Activating a list and creating the setting
    Activating a list and creating the setting On the right side of the steering wheel, turn the thumbwheel to activate the corresponding list. Using the thumbwheel, select the desired setting and ...