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:
Additional functions
Activating/deactivating the additional
functions
Activate the functions before pairing to be able
to use them in the vehicle. Information on suitable
mobile phones that support these functions,
r ...
Automatic transmission: transporting your vehicle
Note
Your vehicle is not permitted to be towed.
Therefore, contact a service center in the event
of a breakdown.
Do not have the vehicle towed
Have your vehicle transported on a loading
platf ...
Functional requirements
The system must have been initialized when the
tire inflation pressure was correct; otherwise,
reliable signaling of a flat tire is not ensured. Initialize
the system after each correction of th ...