2004 Mercedes E-Class Owner's Manual - Page 375

Practical hints Batteries Batteries Your vehicle is equipped with two batteries: Main battery (battery for starter and electrical consumers; located in the trunk). Auxiliary battery (back-up battery; stabilizes the electrical system if the main battery is discharged; located in the engine compartment) The main battery is in the trunk under the luggage box. Remove the luggage box ( page 351). Vehicles with spare wheel Warning! G Failure to follow these instructions can result in severe injury or death. Observe all safety instructions and precautions when handling automotive batteries ( page 287). Never lean over batteries while connecting, you might get injured. Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or clothing. In case it does, immediately flush affected area with water and seek medical help if necessary. A battery will also produce hydrogen gas, which is flammable and explosive. Keep flames or sparks away from battery, avoid improper connection of jumper cables, smoking etc. 1 Negative terminal 2 Positive terminal i E55 AMG: The main battery is located inside the trunk area at the top instead of to the right. Warning! G Jump starting must only be done using the main battery in the trunk. 375