the 03 model s class 220 chaiss number doesnt have one the new model 221 has its pass side and you can not miss it if the battery is giving problems see if the alternator regulator service measure was done.should be done for free in a merc main dealer if not you could have draw on your battery
Trunk< under left panel>
Facing the engine from the front of the vehicle, the battery is located in the right, front corner.
Waiting for the answer.
The Battery for the Mercedes G500 is in the rear footwell. Think the hump on the floor where the passengers sit. You have to remove the cup holder (held on by 2 screws) pull up the mat on the floor (in the center) and viola -- battery. Battery has a vent hose on side.
The 2003 Mercedes-Benz G-Class has 52.5 in. of front leg room.
The 2003 Mercedes-Benz M-Class has 58.2 in. of front shoulder room.
The 2003 Mercedes-Benz M-Class has 39.8 in. of front head room.
The 2003 Mercedes-Benz S-Class has 37.6 in. of front head room.
The 2003 Mercedes-Benz M-Class has 40.3 in. of front leg room.
The 2003 Mercedes-Benz C-Class has 52.8 in. of front hip room.
The 2003 Mercedes-Benz CL-Class has 41.7 in. of front leg room.
The 2003 Mercedes-Benz C-Class has 52.8 in. of front shoulder room.