S-Class (W222) 2014-2020

Replacing a lost Smart Key FOB

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Old 05-08-2019, 10:16 AM
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2018 S450 4MATIC
Replacing a lost Smart Key FOB

I lost one of my Smart Key Fobs for my 2018 S450. The dealer is quoting me between $800-1k to replace the smart key fob. Does anybody know of any cheaper ways to replace the key fob? Can I buy a used one on EBAY and have it reprogrammed?

I can't seem to find anyone else who has had this issue with the W222 sections.

Any suggestions or tips are greatly appreciated.
Old 05-08-2019, 01:06 PM
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Dealer only, check with several dealers on pricing. See attachment.
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Old 05-08-2019, 02:27 PM
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Thank you. I reached out to 7 of my local dealers and the Key Fob / Blade ranges from $605 to $720.

I managed to get 10% off from the cheapest option of $605 bringing my total to $545 + Tax.

On top of that, each dealer quoted the programming at 1 hour of labor. Ranging from $116-$172 per hour. Definitely, a costly mistake to lose a key fob.
Old 05-08-2019, 02:52 PM
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damn, I paid ~450 for a missing FOB when I purchased my 2015 S550 and I thought that already was a total rip off! That was both for the fob and the programming fee. I found out that the price on FOB and the programming fee varied between dealers. So I bought the fob at the cheapest dealer and had it programmed at one that charged the least to program....
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Old 05-08-2019, 03:02 PM
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Prices are ridiculous. It costs Mercedes >$100 for that remote and they sell it at over 5x that.
Old 05-08-2019, 04:06 PM
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Originally Posted by Mikey_bs
Prices are ridiculous. It costs Mercedes >$100 for that remote and they sell it at over 5x that.
LOL, Have you priced OEM windshield wiper blades?
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Old 05-08-2019, 04:26 PM
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Originally Posted by Mikey_bs
Prices are ridiculous. It costs Mercedes >$100 for that remote and they sell it at over 5x that.
Good thing that you are not driving an Aston Martin. You could spend up to $2500 for that
They are a rip-off on any brand unfortunately
Old 05-09-2019, 04:11 PM
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Originally Posted by Mikey_bs
Thank you. I reached out to 7 of my local dealers and the Key Fob / Blade ranges from $605 to $720.

I managed to get 10% off from the cheapest option of $605 bringing my total to $545 + Tax.

On top of that, each dealer quoted the programming at 1 hour of labor. Ranging from $116-$172 per hour. Definitely, a costly mistake to lose a key fob.
This is an expensive PITA but honestly I wouldn't want it any other way. Making these keys available only at the dealer with proof of ownership/registration is a good security measure. Likewise having it programmed at the dealer will remove the old key from working.
Old 05-09-2019, 04:26 PM
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got my Ferrari Modena with only one key, Could only " replace the computer" to get more keys. It was easier to be paranoid about the key than pay for that.
Old 05-10-2019, 05:12 PM
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The sad part of this is that there is no "programming" required. The keys come ready to go.. The dealers are charging you to check and be sure they work.
Old 05-10-2019, 10:43 PM
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Originally Posted by obwielnls
The sad part of this is that there is no "programming" required. The keys come ready to go.. The dealers are charging you to check and be sure they work.
Are you sure? So if I ordered the key I dont need programming?
Old 05-11-2019, 11:32 AM
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Originally Posted by Venom-AMG
Are you sure? So if I ordered the key I dont need programming?

Yes but they won't sell it to you without the "programming" charge. They tell you it's for "security".
Old 05-13-2019, 10:44 AM
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The programming is to remove the lost key.
Old 05-13-2019, 10:15 PM
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Originally Posted by Utopia Texas
LOL, Have you priced OEM windshield wiper blades?
Use FCP Euro. Lifetime warrantee, even on wiper blades. If you feel they streak after 1 year, give them a call, fill out the warrantee sheet, they ship you a new pair. No Questions Asked.... Believe it or not, they warrantee Oil.... Don't take my work for it... If they sell it, they have a LIFETIME warrantee on it.
Old 05-14-2019, 09:35 AM
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Originally Posted by Nice Ride
Use FCP Euro. Lifetime warrantee, even on wiper blades. If you feel they streak after 1 year, give them a call, fill out the warrantee sheet, they ship you a new pair. No Questions Asked.... Believe it or not, they warrantee Oil.... Don't take my work for it... If they sell it, they have a LIFETIME warrantee on it.
From FCP Euro they a still $165 a pair for my SL. Is the price worth the warranty? I guess it depends on how long one plans to keep the car.
Old 07-17-2021, 06:16 PM
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Originally Posted by Mikey_bs
Thank you. I reached out to 7 of my local dealers and the Key Fob / Blade ranges from $605 to $720.

I managed to get 10% off from the cheapest option of $605 bringing my total to $545 + Tax.

On top of that, each dealer quoted the programming at 1 hour of labor. Ranging from $116-$172 per hour. Definitely, a costly mistake to lose a key fob.
looks like I'm faced with that tragedy too. I drove car home, got out, locked and came in house. We had guests, friends, ... long story short I cant find the damn key ...2005 S500 (62k miles). I havent given up hope but I will begin calling local stealers checking prices .. $600-700 omg!
Old 07-17-2021, 06:47 PM
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Just like cell phones have the "where is my phone" app, key fobs should have that ability/program included in the price of the key. I might just add car key fobs to my homeowners/renters insurance plan. I have my computers, trumpet, cell phones and other valuables listed, why not see if a key fob could be added? The insurance is dirt cheap.
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Old 07-17-2021, 07:41 PM
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Lost a set of keys one late Winter and went 9 months and lost all hope. That next Fall when the first cold snap arrived I put on the coat I hadn’t worn for 9 months and guess what?😊

PS- They sell small sensors that fit a key fob to find it when they are lost. Don’t remember the range though.....
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Old 07-18-2021, 05:48 AM
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Originally Posted by Utopia Texas
Lost a set of keys one late Winter and went 9 months and lost all hope. That next Fall when the first cold snap arrived I put on the coat I hadn’t worn for 9 months and guess what?😊

PS- They sell small sensors that fit a key fob to find it when they are lost. Don’t remember the range though.....
thats the exact scenario I'm hoping for too. Except when they went missing it was 90deg and all I had on was a pair of shorts and 3 button shirt. They have to be around here somewhere .. I drove home, parked and came in the house!
Old 07-18-2021, 09:12 AM
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Originally Posted by konigstiger
Dealer only, check with several dealers on pricing. See attachment.
Nuts I say.....
Old 07-18-2021, 10:52 AM
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Not the first time we told the Germans NUTS! In memory of a brave generation, Dad was in the 4th Infantry and fought through the Bulge.

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Old 12-16-2021, 10:17 AM
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Originally Posted by MBS63AMG
Just like cell phones have the "where is my phone" app, key fobs should have that ability/program included in the price of the key. I might just add car key fobs to my homeowners/renters insurance plan. I have my computers, trumpet, cell phones and other valuables listed, why not see if a key fob could be added? The insurance is dirt cheap.

apple has these new tracking fobs you can have on your keychain so you never lose it. I forget what they are called but I have 1 key (when the dealer told me there was two) and I am getting one of those trackers asap!!
Old 12-16-2021, 08:55 PM
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Originally Posted by Dunsun79
apple has these new tracking fobs you can have on your keychain so you never lose it. I forget what they are called but I have 1 key (when the dealer told me there was two) and I am getting one of those trackers asap!!
This may have already been mentioned earlier in the thread or some other thread but it would be awesome if we could program our smart phones to operate as keys. The originals could be left in the drawer in the house in a safe place. They have them for opening your front doors of the house, why not to start your car?
Old 12-18-2021, 01:51 PM
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In a Key Fob related question I received a "Replace Key Fob Battery" message the other day. I replaced the battery and everything is working fine but the message is still appearing. I have been trying to figure out how to clear the message but no luck. Can anyone help or point me in the right direction?
Old 12-19-2021, 01:10 PM
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Originally Posted by schack
In a Key Fob related question I received a "Replace Key Fob Battery" message the other day. I replaced the battery and everything is working fine but the message is still appearing. I have been trying to figure out how to clear the message but no luck. Can anyone help or point me in the right direction?
Are you sure that the battery you used is a good one? Lots of half dead batteries sitting on the shelfs out there. Check the voltage of the new battery with a meter.


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