The batter is under the passenger front seat. Slide it forward as much as possible and have at it.
in the boot
the battery is in the trunk , it should be fairly simple
Under rear passenger seat.
Call 1-800-MERCEDES, give them your VIN#
If the battery was charged when you installed it, you do not have to drive the car at all. If not you should charge the battery and not use the cars alternator to charge it.
disconnect the battery. you will have to reset everything. maybe someone has a better answer.
Your dealer will tell you a Group 49 but it won't fit. A Group 48 fits perfectly.
lift the seat portion of the third seat vertical. remove from car. lift seat back and it will expose tire. third seat foot rest will now lift and stay up battery is on your right under square cover
code radio Mercedes bens ml 320 1998
"Where are oxygen sensors on 19998 Mercedes Benz ML 320?"
You need a new battery
You can get a CLK 320 Mercedes engine diagram from any Mercedes dealership. You can also purchase them at your local auto parts store.