The video is about removing and installing an Eco start/stop battery in the Mercedes-Benz Vito (W447, W448) model. The steps involved include:

Moving the passenger seat forward
Removing the cover on the seat box
Undoing the nut and removing the bracket
Removing the hard foam cover
Removing the two nuts of the start-stop relay
Shifting the backup battery to the left
Disconnecting the ground wire and the positive terminal
Unplugging the vent hose
Removing the backup battery
Visual inspection of the battery
Reinserting the backup battery into the seat box
Connecting the vent hose
Placing the positive cable on the positive terminal
Tightening the screw
Reassembling the parts in the reverse order.


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