Battery replaced, won't turn/crank at all
 

Hello all,

I had an old battery. It had to be charged frequently. I finally replaced it.

It clicked once when I tried to start it, then nothing. It seems like it won't even try to crank/turn.

All the dash lights are on, very strong, which is new.I checked all the fuses. Battery is good, 12.6V. I am guessing it is a starter, or ignition related issue.

2004 ML500

Any guidance?
Thanks.

I forgot to mention, I swapped K2 with K8. K8 seems to be functioning.I also tried my spare key. No difference.

Key at Position 1. Red Led keeps blinking. Stop blinking when moved to position 2.

Key directly at Position 2, blinks once only.