2009 Mercedes R-Class Owner's Manual - Page 232

Controls in detail Useful features 12V Power outlets ! If you use all power outlets in the vehicle, make sure that the maximum current drawn does not exceed 55 A. ! The power outlets in the passenger footwell and cargo compartment are not designed for use with the electric air pump. Use the power outlet in the second-row footwell for electric air pump operation. The power outlets can be used to accommodate 12V DC electrical accessories (e.g. mobile phone chargers, auxiliary lamps) up to a maximum of 20 A (240 W). If the engine is off and the power outlets are being used extensively, the vehicle battery may become discharged. 115V AC Socket G Warning! The 115V AC socket operates at high voltage. Use the 115V AC socket in the vehicle with the same caution and prudence that you exercise when using power outlets at home. Keep any fluids away from the 115V AC socket. Do not clean the socket with fluids or tapered objects. Keep the 115V AC socket cover in the closed position, when not in use. Otherwise, you could suffer an electric shock and be seriously or even fatally injured. G Warning! A device that you connect must have a suitable plug that complies with U.S. standards. Never pull on the cable to unplug a plug from the 115V AC socket. Do not use a damaged connection cable. The 115V AC socket may not be connected to another 115V AC power source. This could cause serious personal injury to you and/ or others. Power outlet in second-row footwell Power outlet in cargo compartment Power outlet in front passenger footwell 230