2011 Mercedes C-Class Owner's Manual - Page 237
2011 Mercedes C-Class Manual
Page 237 highlights
Features Clearing the remote control memory X 235 i You should clear the remote control memory before selling the vehicle. Compass Zone map for North America To obtain correct direction display in rearview mirror :, the compass must be calibrated and the magnetic field zone set. X To call up the compass: briefly press button =. The compass indicates the direction in which the vehicle is currently driving: N, NE, E, SE, S, SW, W or NW. X To calibrate the compass: determine your position using the following the zone maps. Zone map for South America X Press and hold button = for approximately three seconds. The currently selected zone appears in compass display ;. X To select the zone: press button = repeatedly until the desired zone is selected. The zone has been selected when compass display ; shows the point of the compass. This takes a few seconds. X To calibrate the compass: make sure that there is sufficient space for you to drive in Z Loading, stowing and features Turn the SmartKey to position 2 in the ignition lock. X Press and hold transmitter buttons ; and ? for approximately 20 seconds until indicator lamp : flashes rapidly. The memory is cleared.