2008 Mercedes CLS-Class Owner's Manual - Page 422
2008 Mercedes CLS-Class Manual
Page 422 highlights
Practical hints Battery ! As with any other battery, disconnect the battery if you do not intend to operate your vehicle for an extended period of time to prevent battery discharge or connect an accessory battery charge unit expressly approved by Mercedes-Benz for your vehicle model to maintain the battery charge. Contact an authorized Mercedes-Benz Center for further information. The battery, the battery ventilation hose and the lateral plug must always be securely installed when the vehicle is in operation. Disconnecting the battery Open the trunk. Warning! With a disconnected battery G Read and observe safety instructions and precautions ( page 420). Remove the luggage box ( page 397). Disconnect battery negative lead 2. Remove cover 1 from the positive terminal. Disconnect the battery positive lead. Removing the battery Remove the screw-nuts securing the battery. Remove the battery bracket. Pull out the battery ventilation tube from the battery (depending on battery arrangement in your vehicle model, the battery ventilation tube is located on the left or right side of the battery). Take out the battery. you will no longer be able to turn the SmartKey in the starter switch and pressing the KEYLESS-GO* start/stop button on the gear selector lever will have no effect the gear selector lever will remain locked in position P ! Never loosen or detach battery terminal clamps while the engine is running or the SmartKey is in the starter switch. Otherwise the alternator and other electronic components could be severely damaged. Have the battery checked regularly by an authorized Mercedes-Benz Center. Refer to Maintenance Booklet for maintenance intervals or contact your authorized Mercedes-Benz Center for further information. Depress parking brake firmly or move gear selector lever to position P. Turn off all electrical consumers. Remove SmartKey from starter switch. Vehicles with KEYLESS-GO*: Press the start/stop button until the engine shuts off. Open the driver's door. 421