lots of codes

1997 MB e320
codes in DM=

35, 37, 39, 22, 20, 24, no discription from cs2000(baum)
21=0300 missfire(200)
23=0300 missfire(1000)
25=0300 ignition monitor
29=0200 injection valves
42=1340 camshaft signal
8 =1132 o2 rich or lean max.
63=1750 battery too low

codes in LH=

54 =055 ignition system output stage cyl. # 2
55 =056 ditto above but #5
112=107 injector short to plus


we replaced all ignition coils and secondary wires.

Maybe air mass meter and engine wire harness?

Help!