2008 Mercedes S-Class Owner's Manual - Page 456

Controls in detail Driving systems Warning! G Warning! G Make sure no persons or animals are in the area in which you are maneuvering. You could otherwise injure them. The Dynamic Rear View Monitor may not function if: the trunk lid is not completely closed it is raining or snowing heavily, or if there is thick fog in a very dark area the camera is exposed to very strong white light (white stripes may appear on the COMAND display) the surrounding area is lit with fluorescent light (the COMAND display can flicker) there is a sudden change in temperature, for example when you drive out of the cold into a heated garage in winter (lens condensation) outside temperatures are very high (lens condensation) the camera lens is dirty or covered, see "Cleaning the Dynamic Rear View Monitor lens*" ( page 590) the rear of your vehicle is damaged. In this case, have the position and setting of the camera checked by a qualified technician. Contact an authorized Mercedes-Benz Center. Do not use the Dynamic Rear View Monitor if the roads are icy, slippery or covered with snow. The vehicle could slip causing the actual vehicle position to deviate from the one shown on the COMAND display. This may cause injury to you or others, or damage the vehicle or objects. Mounting tires/rims of other specification than the original equipment tires/rims may impair the function of the Dynamic Rear View Monitor. Contact an authorized Mercedes-Benz Center. 455