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Old 02-16-2011, 12:50 PM   #1
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Replacement Key FOB

So long story short. Was working out last night and key fell out of pocket. It was crushed by a weight and now it wont reconize in my car. I have a 2001 S430. I wanted to get the new key style. My questions is am I able to buy a key FOB from place like ebay and have it reprogrammed at MB? Usually how much and will that work?

Thank you in advanced

Alex
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Old 02-16-2011, 03:21 PM   #2
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Hi

About 5mo ago i accidentally washed my original 2001 S430 car key. After being in washer machine for an about 45 minutes it still works. LOL

MB will not reprogram your key fob, unless you buy it directly from them. In most states is $250 for a new key.
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Old 02-16-2011, 03:38 PM   #3
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Just buy a new key from a dealer. It will be the newer chrome style key as that is all they are selling now.
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Old 02-24-2011, 09:42 PM   #4
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My dealer told me that 02-03's with or without keyless go, as they use the credit card type transponder and 04-06 without keyless go, get a chrome key replacement. I was disappointed that when I ordered a new key for my 04 CL600 with keyless go, what I got was the same as the old non-chrome style I had. I asked why, and they said only the NON-keyless go 04-06 W220's get the Chrome key when they order new keys, but the keyless go keys for 04-06 w220's get the old key, but nobody knew why. Has anyone ordered a new key for an 04-06 W220 WITH keyless go and gotten a Chrome key?
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Old 02-25-2011, 02:30 PM   #5
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Quote:
Originally Posted by mushu405 View Post
So long story short. Was working out last night and key fell out of pocket. It was crushed by a weight and now it wont reconize in my car. I have a 2001 S430. I wanted to get the new key style. My questions is am I able to buy a key FOB from place like ebay and have it reprogrammed at MB? Usually how much and will that work?

Thank you in advanced

Alex
Yeah, don't waste your money on the keys from ebay.
They're only good for the outer shell.
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Old 04-03-2011, 12:37 PM   #6
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As was written before, the Ebay keys cannot be reprogrammed, not even by MB. You can swap the guts of your key into the new outer shell if your's is tatty.

The Keyless Go key has a wider PCB piece inside the black key. I can only surmise that the old technology will not fit into the new chrome key, where a new PCB must be used.

If you buy a chrome key from ebay and try to swap the insides of your black key to the new chrome key, make sure the buttons are at the correct location and the ignition induction coil (of the guts) is in the same location relative to the front of the key.

By looking at the key pictures on ebay i decided that they are not compatible and therefore did not by any to swap the key guts (PCB) into.
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Old 04-13-2011, 08:27 PM   #7
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I may be able to help if the chip inside wasn't damaged.
Can you open it up and see.
Check this out.
http://www.mbworld.org/forums/audio-...-retrofit.html
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Old 04-13-2011, 08:44 PM   #8
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I like that approach. Does it work with a keyless go key? The PCB looks different from the PCB in the picture. Is it enough if the Chrome key is keyless go as well?

I see that the IC is surface mount soldered. I can solder it off but how much heat does the IC stand? Do i need a heat sink? When re-attaching onto the new PCB can i do that cold; with paste?
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Old 04-13-2011, 09:02 PM   #9
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Quote:
Originally Posted by Jerry- View Post
I like that approach. Does it work with a keyless go key? The PCB looks different from the PCB in the picture. Is it enough if the Chrome key is keyless go as well?

I see that the IC is surface mount soldered. I can solder it off but how much heat does the IC stand? Do i need a heat sink? When re-attaching onto the new PCB can i do that cold; with paste?
It is best that you post pictures of what you see and I can decipher what can or can not be done.

You must be careful removing the IC as not to damage it whatsoever, you can resolder with normal temp 500-600F, can not do it cold. Oh yeah, need to be done under a microscope, you don't want to short any thing.

By the way, I have successfully done this about a dozen times helping out fellow car enthusiasts, worked every time:
http://www.mbworld.org/forums/interi...ey-remote.html

Last edited by dark knight; 04-13-2011 at 09:06 PM.
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Old 04-13-2011, 09:02 PM
 
 
 
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2001, 2002, 2011, chrome, city, class, fob, fobs, key, mercedes, oklahoma, read, replacement, s430, wont



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