thumper823

everything seems normal at all key positions except pos 3... no crank. dash lights all come on and the usual noise's when the key is inserted. battery power is good. key/battery is only a year old. only have one key.

tested ignition and key with star, checked out fine.

i disconnected the battery and will wait a few minutes the see if it will reset.

anyone have this before and know what caused it? even if i get it to start i dont want to be stranded somewhere.

biggking

Does your vehicle show what position the transmission is in?

thumper823

yea, the speedo shows all the gears right as i move the shifter.

thumper823

Big thanks to Shardul for leading me through possible cause's and helping me find this

Crissus

What in the world is that?!?!

thumper823

its the ECU, should have started with that lol. looks like i will be replacing my fuse box cover since it wasnt fitting very tight. im also going to make some type of cover to help seal off the ecu.

chiromikey

the ecu and fuse box already has a cover over it...or at least it should!

thumper823

thats what i meant by replacing it, to get another one that fits better.

chiromikey

It should fit tight and then lock down with two slide locks. It's probably the cleanest spot in the engine bay!

thumper823

well i have an update.. i recieved my repaired ecu back. cleaned out all the connectors real good, But im still having the same issue with no start. i have jumped the starter and it does work, the relays are all good, the key and ignition module have checked out as well.

does anyone have a suggestion as what i should do??

k3m16r

My ML is doing the same thing. I have a button installed to jump the starter while the key is in the on position. I'm trying to nail down what it is exactly i need to replace. Be it the ignition switch/key, or if it'd be something completely different. Thanks!

Ls1toAMG

Are you getting any malfunctions on your dash display. Esp etc?

travhwrd

Having the same issue! Ever figure this out? Esp and abs lights are on the dash also

Dublinoh

You might want to try a PM to original poster.