See also:

Tire labeling overview
The following markings are on the tire in addition to the tire name (sales designation) and the manufacturer's name: 1 Uniform Tire Quality Grading Standard 2 DOT, Tire Identification Number 3 ...

Activating/deactivating SPORT handling mode
WARNING The SPORT handling mode should not be switched on during normal driving. Switching on the SPORT handling mode will result in the following: - no restriction to the engine torque ...

Roadside Assistance button
  Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...