2009 Mercedes R-Class Owner's Manual - Page 267
2009 Mercedes R-Class Manual
Page 267 highlights
Operation Tires and wheels replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. Any unauthorized modification to this device could void the user's authority to operate the equipment. Tire inflation pressure warnings If the system detects a significant loss of tire inflation pressure in one or more than one tire, a message appears in the multifunction display and a warning signal sounds. The TPMS must be restarted when you have adjusted the tire inflation pressure to a new level (e.g. because of different load or driving conditions). The TPMS is then recalibrated to the current tire inflation pressures. Restart the TPMS after adjusting the tire inflation pressure to the inflation pressure recommended for the vehicle operating condition. Tire pressure should only be adjusted on cold tires. Observe the recommended tire inflation pressure on the Tire and Loading Information placard on the driver's door B-pillar. Some vehicles may have supplemental tire pressure information for driving at high speeds or for vehicle loads less than the maximum loaded vehicle condition. If such information is provided, it can be found on the inside of the fuel filler flap. X Using the Tire and Loading Information placard on the driver's door B-pillar (Y page 255) or, if available, the supplemental tire inflation pressure information on the inside of the fuel filler flap (Y page 245), make sure the tire inflation pressure of all four tires is correct. X X i If a condition causing the TPMS to malfunction develops, it may take up to 10 minutes for the system to signal a malfunction using the TPMS telltale flashing and illumination sequence. The telltale extinguishes after a few minutes driving if the malfunction has been corrected. i Operating radio transmission equipment (e.g. wireless headsets, two-way radios) in or near the vehicle could cause the TPMS to malfunction. i This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired. Example illustration Restarting the TPMS G Warning! It is the driver's responsibility to set the reference values 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, the system sets new reference values for each tire. Switch on the ignition. Press button è or ÿ on the multifunction steering wheel repeatedly Z 265