BradyMiklos

Hi guys
I buy a 320 4matic on auction ,auctions say car runs drive the problem of car light very light damage in left doors.
No door panels no windows controler
Door airbags ok no deployed
I pay towing move to my state when i recive the car batt dead in neutral gearbox
When i try to run i change battery with out key on switch just give me 3 malfuntion rear plate bulb high beam ,srs no click no cranks when turn key to start

Am confused the shifter marks P on dash and the shifter too if press brake i can mover shifter
If put shifter R the white light on but the cars moves if put in p,r,n,d
I check rear tranfer axles and shaft is engaged
I put a jack lift right tire if move tire with my hands i can see by firewall the shaft moves turns if move right tire

Other mistake
I change batts of keys still no lights blinks or IR
I check all fuses relays
How is the car in neutral with tranfer engange shifter marks on dash if i move ?
maybe can help ,me