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.
The battery in a Mercedes-Benz ML320 is located in the engine compartment, specifically on the driver's side near the front. To access it, you may need to remove the plastic cover that sits over the battery. It's also important to ensure the vehicle is turned off and properly secured before attempting to access or replace the battery.
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.
To jump a 1999 CLK 320 Mercedes when you can't access the battery in the trunk, locate the auxiliary jump start terminal under the hood, usually near the driver's side. Use a set of jumper cables, connecting the red cable to the positive terminal on the jump start terminal and the other end to the positive terminal of the donor battery. Connect the black cable to the donor battery's negative terminal, and then attach the other end to a solid ground point on the engine block or chassis of your car. Start the donor vehicle, then attempt to start your Mercedes.
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?"