2009 Mercedes CLS-Class Owner's Manual - Page 308
2009 Mercedes CLS-Class Manual
Page 308 highlights
Practical hints Replacing SmartKey batteries X X Repeat this procedure for the second front seat. After resetting the active head restraints store reset tool 1 in the Mercedes-Benz literature pouch. Replacing SmartKey batteries If the batteries in the SmartKey are discharged, the vehicle can no longer be locked or unlocked. It is recommended to have the batteries replaced at an authorized Mercedes-Benz Center. For information on active head restraints, see "Active head restraints" (Y page 57). For information on head restraint adjustment, see "Seats" (Y page 84). 1 Reset tool 2 Active head restraint cushion 3 Rectangular opening X X G Warning! Batteries contain poisonous and corrosive substances. Therefore, keep the batteries out of reach of children. If a battery is swallowed, seek medical help immediately. G Warning SmartKey batteries contain Perchlorate material, which may require special handling and regard for the environment. Check with your local government's disposal guidelines. California residents, see http://www.dtsc.ca.gov/HazardousWaste /Perchlorate/index.cfm. Batteries contain materials that can harm the environment if disposed of improperly. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling. Take reset tool 1 out of the MercedesBenz literature pouch. Guide reset tool 1 into rectangular opening 3 between active head restraint cushion 2 and head restraint cover. Press reset tool 1 downward in direction of arrow until you hear the head restraint release mechanism audibly engage. Pull out reset tool 1. Firmly press the active head restraint cushion 2 backward towards the head restraint cover in direction of arrow until it engages. X X X 306