Why car will only start while hooked to a battery charger in charging mode.
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Battery is brand new (2days old) 13.2v. With engine running 14+ volts. Brand new battery, K40 relay module,
& starter relay. Without charger, all dash light come on (clicking & buzzing under hood) but no sound when trying to start ( no dimming of lights). Connect battery charger, put in charging mode, within 15 sec. hear a click under hood (passer. Side) car will start and run fine. Disconnect charger, turn engine off, then restart immediately, car will start. Turn engine off 2nd time, then try restart ( without charger) car will not start. It is a 2001 Mercedes Benz SLK230 Kompressor .
How long has your 2001 Mercedes-Benz SLK230 had this problem?
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