2010 Mercedes S-Class Owner's Manual - Page 506

504 Replacing bulbs The positive terminal (+) must face downwards. X Put the cover with engagement hooks ? first onto the battery compartment and let the snap-fit hook 2 snap in. Replacing bulbs Safety notes Safe vehicle operation depends on proper exterior lighting and signaling to a large degree. Correct headlamp adjustment is extremely important. Have headlamps checked and readjusted at regular intervals and when a bulb has been replaced. Contact an authorized Mercedes-Benz Center for headlamp adjustment. Wireless headphone G Warning! Practical hints Bulbs and bulb sockets can be very hot. Allow the lamp to cool down before changing a bulb. Keep bulbs out of reach of children. Halogen lamps contain pressurized gas. A bulb can explode if you The headphone contains two batteries of size AAA, 1.5 V. X Open battery compartment cover : by folding it up. When doing so, hold the left headphone as shown in the illustration to prevent the inserted batteries from falling out. X Take out the empty batteries. X Insert the new batteries. Mind the polarity marks on the batteries. Battery on the left: The positive terminal (+) must face upwards. Battery on the right: The positive terminal (+) must face downwards. X Close the battery compartment. The state indicator LED lights green when you switch on the headphone and the batteries were inserted correctly. Rtouch Rdrop or move it when hot the bulb the bulb Rscratch Wear eye and hand protection. Because of high voltage in Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its components. We recommend that you have such work done by a qualified technician. G Warning! The bulbs in the tail lamps cannot be replaced individually. The tail lamp bulbs are under pressure and could explode during an attempt to replace them. If the tail lamps are malfunctioning, have them replaced at an authorized Mercedes-Benz Center. i Since replacing bulbs is a technically highly demanding process, we recommend to have them replaced at an authorized Mercedes-Benz Center. i If the headlamps or front fog lamps are fogged up on the inside as a result of high