2001 ML320 Key Remote stopped working...best solution? - Page 2 - Mercedes Forum - Mercedes Benz Enthusiast Forums

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Old 02-27-2015, 11:16 PM
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worked a treat - thanks for the advice
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Old 11-17-2015, 01:53 PM
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Originally Posted by mbenz80 View Post
Hi Todesto,
you are not finalizing your programing. That is why they are working but only ones. Your keys are OK.
With all doors closed:
1. turn key to pos. 2 then back to pos. 0 and remove it.
2. within 10 sec. press and hold lock button.
3. Now push unlock 5 times while still pressing down lock button.
4. Release lock button.
You came all the way to this point but there is one more step to re-synchronization.
This last step is not mentioned at all in my original 1999 ML320 owner's manual.
But it workes, I got two remotes working for my Ml thisway.
Hey ~

I wanted to reach out and thank you for this. It happened to me last week on my 2013 C300 and read this and was able to correct it today.

Thanks again for the details.
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Old 05-29-2017, 02:54 AM
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Default I have the same issue

i just bought a 2001 ML430
it has only 1 key and dealers tell me they no longer have the keys to order so if I don't fix this I'm screwed.
i followed the steps and my key after the one time locking or unlocking does not save the code and the buttons don't work. I can only manually operate my car. It sucks.
please let me know if there is anything else I can do to get it working. I really approve it.
Thank you.
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Old 08-25-2017, 12:36 AM
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My car shutters when I step on the gas.... I had fuel pump replaced same problem ml320 2002
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Old 08-25-2017, 01:15 PM
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Originally Posted by Talaunda Bolden View Post
My car shutters when I step on the gas.... I had fuel pump replaced same problem ml320 2002
Hello - are you able to pull the codes? I would also look at your injectors.
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Old 11-08-2017, 03:45 PM
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Default Great advice!!!

I tried the resetting of the key to unlock and it worked great, I really appreciate the advice!!
I have another issue, I had my ML 320 painted and they removed the rear doors handles without removing the back inside panels, now they don't open the doors from the outside.
Any suggestions?
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Old 12-14-2017, 09:31 PM
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Default 2001 ML 430 keys still not working

Hi Guy's, I tried this procedure with the final step of pressing the tailgate button and nothing worked, so I locked the car, and did all the steps again, this time when I pressed the tailgate button, it unlocked!

So I went outside to test the key buttons, and nothing worked any additional thoughts or advice?


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Old 02-02-2018, 08:53 PM
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My mechanic says the 2000 ML 320 has a limited number of activations and once you hit the limit you have to replace the remote. I contacted the dealer and they said that there are no longer available and said that I would no longer be able to use a remote. Is this true, what can I do. I have one that works is the one that was least used. Any help would be appreciated. Programming was attempted but nothing. Is there any way to see if the remote is transmitting or am I just out of luck?

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