Genuine OEM Mercedes-Benz Battery Trickle Charger 12V 5A - A0009822921, Tested. Genuine Mercedes Benz battery trickle charger. Charger has been tested and everything is working properly. Charger shows signs of use, but overall clean and in great shape. All wires in excellent condition. Charger comes with the original box and instruction manual. Actual trickle charger shown in the photos. Fast shipping.