2003 CLK 320 wont crank - nothing happens

390

Asked by Aug 16, 2014 at 12:30 AM about the 2003 Mercedes-Benz CLK-Class CLK 320 Coupe

Question type: Maintenance & Repair

2003 CLK 320 wont crank - nothing happens
I have 2 set of keys tried them both but same thing, the steering lock works as I turn
the key to ON - I can hear the Fan go thats about it.
nothing else happen

could it be CPS?
or starter?
fuse?

22 Answers

390

ADD: The battery died so I have a new battery now - the windows / locks etc all work with the remote

4 of 4 people found this helpful.
65,645

Try removing your positive cable for a few minute,s,may reset your ecm,all so is there any anti theft light,s on?

3 of 3 people found this helpful.
390

Did that already - lights are ok no anti theft

3 of 3 people found this helpful.
65,645

If no light,s, may need to check the starter as you said.

1 of 1 people found this helpful.
390

there is no clicking or trying to crank/start - its just dead nothing happens when you try turning the key

12 of 12 people found this helpful.
65,645

One other question?Has your car battery been weak?This can cause your ecm to loose key memory,

4 of 4 people found this helpful.
390

I was travelling got back batt was dead - which I replaced recently with a new one and now this

1 of 1 people found this helpful.
65,645

or jumped off any one?

390

the first time i tried jumping which did the same - nothing happened so i replaced the batt

2 of 2 people found this helpful.
65,645

Thats, it sorry to say this but the only thing you can do is have a mercede,s dealer flash your ecm back to your keys,

65,645

Weak battery,s do this to mercede,s ,

1 of 1 people found this helpful.
390

Seriously? i can still lock/unlock the car with the remote also can open the Steering lock

1 of 1 people found this helpful.
65,645

Yes key has chip in it,mercede,s did not think about the battery problem fix until 2007,

1 of 1 people found this helpful.
65,645

When battery died ,ecm lost it,s memmory of your key,s.

2 of 2 people found this helpful.
390

hmm - Im trying to find if I can confirm what your saying

2 of 2 people found this helpful.
65,645

Well i should know,i own a 1999 c230,it happen to me twice all ready.And not to add i mechanic on all type,s every day,check it out,then go gety our ecm flashed and you will be riding again.

1 of 1 people found this helpful.
390

how much to flash the ECU - can I just take the ECU out give them my key along the VIN

2 of 2 people found this helpful.
65,645

Sorry to say but it has to be in car,and it cost me 350 to have it done,but that said,all way,s buy a good brand battery such as interstate to keep from having this happen agian,,,Good luck with it.

1 of 1 people found this helpful.
65,645

It ,s is a shame mercede,s waited till 2007 to fix this,i feel forya..

4 of 4 people found this helpful.
65,645

Try it,but i think not,your ecm,has lost it,s mind,you have to deal with it.

1 of 1 people found this helpful.
390

Will this work? 1. Turn the ignition key to the on (not start) position. 2. Press the gas pedal to the floor and hold for five seconds. 3. Turn the key to the "off" position (don't remove the key), then release the gas pedal. 4. Wait at least two minutes for ECU to reset.

11 of 11 people found this helpful.

Did you ever find a solution for this problem. Please help

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