2011 Mercedes E-Class Owner's Manual - Page 315

Tire pressures installed is not the same as the current tire pressure for the spare wheel. X 313 TPMS warning messages If the TPMS detects a significant pressure loss on one or more tires, a warning message is shown in the multifunction display. In addition, a warning tone sounds and the tire pressure warning lamp lights up in the instrument cluster. Each tire in which a significant pressure loss has been detected is highlighted with a red triangle. Restarting the tire pressure monitoring system G Warning It is the driver's responsibility to set the tire inflation pressure to the recommended cold tire inflation pressure. Underinflated tires affect the ability to steer or brake the vehicle. You might lose control over the vehicle. When you restart the TPMS, all existing warning messages are deleted and the warning lamps go out. The currently set tire pressures are adopted as the specified values for monitoring. The TPMS must be restarted when you set the tire pressure to a new value (as a result of changed handling or load characteristics, for example). The TPMS then monitors the new tire pressure values. Restart the TPMS after the tire pressure has been set, as desired, according to the recommended values for the driving conditions (Y page 306). Only correct tire pressures on cold tires. Comply with the tire pressures recommended on the Tire and Loading Information placard on the B-pillar on the driver's side. Additional tire pressure values for driving at high speeds or with heavy loads can be found in the tire pressure table on the inside of the fuel filler flap. Make sure that the tire pressure is set properly for all four wheels. X Make sure that the key is in position 2 in the ignition lock. X Using = or ; select the Serv. menu. X Using 9 or : select Tire Pressure. X Press the a button. The current tire pressure for each wheel or the Tire pressures will be displayed after driving a few minutes message appears in the multifunction display. X Press the : button. The Use Current Pressures as New Reference Values message appears in the multifunction display. X To confirm selection: press the a button. The Run Flat Indicator Restarted message appears in the multifunction display. After driving for a few minutes, the system confirms that the current tire pressure values are within the specified range. The new tire pressure values are then accepted as reference values and monitored. X To cancel restart: press the X button. i If the positions of the wheels on the vehicle have been changed, the tire pressure may be shown in the wrong position briefly. This will be corrected after driving for a few minutes and the tire pressure will be displayed in the correct position. Maximum tire pressures G Warning Never exceed the maximum tire inflation pressure. Follow recommended tire inflation pressures. Z Tires and wheels