Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim.
See also:
Chassis in detail: Dynamism meets comfort
   All models in the new M-Class range offer excellent comfort and superb 
driving dynamics as standard - both on the road and away from the tarmac. 
Besides the steel suspension with selective damping ...
   
MAX COOL maximum cooling
   The MAX COOL function is only available in 
vehicles for the USA.
MAX COOL is only operational when the 
engine is running.
The MAX COOL function is activated 
automatically:
• if climate cont ...
   
Increasing the volume
   In some cases, the volume of the AUX device 
may be quieter or louder, or the usual 
maximum possible volume cannot be 
reached. On some devices, it is possible to 
adjust the volume separately. I ...
   
