Aux battery replacement for 2007 SL550 50th Anniv Edition
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Aux battery replacement for 2007 SL550 50th Anniv Edition
My aux battery in trunk does not retain a charge. I charge it my running car but does not hold after I stop. If I replace the battery myself without taking to dealer, is there any setting or anything I need to do to not loose my settings (radio, etc). I have always taken the car to dealer for everything but think this is an easy DYI battery change, but SL may have some complications or setting that are not apparent. Thanks!!
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