SOLVED - How To Fix Mercedes Key FOB Not Working | Smart KeyFob Not Working

SOLVED - How To Fix Mercedes Key FOB Not Working | How To Fix Smart KeyFob Not Working with any Mercedes

#HarjinderSidhu #MercedesKeyFOBfix #SidhuDIY #mercedesfuse

Please replace Fuse #8 (7.5 AMP) - Antenna Module

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If your Key FOB still doesn't work and the red light is blinking, try re-syncing it:

1. Insert the key into the Ignition Switch and turn it to the ON position.
2. Press and release the Lock Button (on the FOB).
3. Press and hold the Unlock Button (on the FOB).
4. Within 1-2 seconds, press the remote's Lock Button five times in a row while holding the Unlock Button.

This should re-sync your key FOB to your vehicle.
Good Luck.
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[TheShred]

Resynching the key FOB worked for me. For those of you can get their key FOBS working again by replacing the batteries with new ones, only to have it stop again within a few days, I recommend resynching your FOBs. As Easy Steps mentioned in the description, you just
1. Insert the key into the ignition switch and turn it to the ON position.
2. Press and release the lock button (on the FOB).
3. Press and hold the unlock button (on the FOB).
4. Within 1-2 seconds, press the remote's lock button five times in a row while holding the unlock button.

This should resynch your key FOB to your vehicle.

[Bonestorm]

You absolute legend! I have spent all day pressing various different buttons, holding, clicking, back flipping! Why did I not watch this straight away. Changed the fuse and BOOOOM. IT WORKS!!! Thank you !

[sinai]

God bless you brother!! Just got a Mercedes a week ago and this morning had this problem. Wouldn't start. Key wasn't being detected. Found the blown fuse. Replaced it. Back on the road. Hallelujah!! Thank you

[Sabrina-rrsh]

Thank you! You just saved me $550-700! It worked on my 2010 ml350. I just dealt with a lockout yesterday and now having both keys working, my mind is at ease. Keep doing what your going!

[itmo]

Man you are a saver.
I replaced the batteries of the key fob and nothing.
Then I came across your video and you made the miracle for my 04 E55 AMG. Lol
Was that exact fuse # 8. I replaced it and voila.
Thanks again.

[miketrainer]

Outstanding dude, it fixed my problem, for months the damn thing would not lock/unlock the...had to go very close to the door sensors but even then I had to use the key most of the times.We all know how hard it is to get that skinny key out and turn it....nightmare. I went to the dealer and considered buying a new key, thinking the one I have must be faulty...you made my day, thank you.

[Glenfiddich]

Thank you for bringing it to my attention about the fuse box !! I have a 2014 Mercedes ML350 and recently I had the car serviced at a Mercedes main dealer, then about a week later the engine management light came on and I took it back to the main dealer which is close to my house, they said that it was a new part for the turbo needing fitted and new seals too, this cost me £1200.00 to repair, but two days later after getting it fixed the engine management light came back on, so I returned it to them and they said it was coinsidence but now I need another new part for a different part of the car, again with a huge repair bill this time for just under £1400.00, but a few days after this was fixed another enginge management light came on and by now I'm feeling lighter in my wallet and feeling not very happy another engine management light has come back on and again just a few days after the last repair.


The thing is Mercedes don't give a stuff about your car, they just want your money and they think that you should do repairs immediately irrespective of costs or whether you can afford it or not, so anyway I am now reluctant to take it back to them so they can dream up another huge repair bill and for them to get it wrong a third time, but just before I got it serviced and repaired so many times the message came up on my screen saying "Change battery in keyfob" but they have never once said anything about it to me. I have changed it myself but to no avail it still doesn't work properly and then I bought a packet of two small Mercedes Benz keyfob batteries and neither of them make any difference either, but I never thought about the fusebox ?? so after watching your video I now think that I will be looking at my fusebox too to see if this is where the problem originates from, to be honest I am a little dissapointed in Mercedes for finding all these expensive faults and for all the cost this has given me, especially if my warning lights come on just for a fuse, it might be like know in your house if you have a bulb blown and you don't change it, then the all start to blow because the circuit is broken, well it might be the same in my car except that it is my battery or my fuse.


Sir thank you for your help....I will have it checked straight away (fingers crossed)


Thank you




Glen in Edinburgh, UK

[teebo]

THIS IS THE PINNICLE OF EXCELLENCY THAT YOUTUBE INSTRUCTION VIDEO'S NEED TO BECOME. 🇬🇧🙋‍♂️SALUTATIONS

[Yoromo]

I’m glad I came across your video, first I thought it was the fob’s battery but you guided to the right solution. Gracias

[glambox]

This has happened during the lockdown and I was getting so worried about how I could get this issue fixed - both of my keys weren't "working"! Thank you sooo much for this tip xx

[GaganSingh-cqpv]

your vedio was really helpful but my fuse was absolutely fine but had become loose so just fixed it properly and the lock worked just fine !! Many thanks !! you saved me a trip to the garage !

[gabrielbernart-shenk]

Just came across this video after giving up on fixing the same problem on my '05 E-Class. Sure enough, when I checked the fuse was blown, and replacing it fixed the issue. Thanks so much for the video!

[eyeeye]

Thank You... Really appreciate this. I thought I'd have to buy a new key for $500.

[alexandregadret]

You just "saved my life"... THANK YOU!

[thezans]

Omg I’m so glad I found this video, this literally just happened to my key fob and I was sweating it. Hopefully this does the trick.

[Rsaxon]

Wow! Thankyou so much i thought i needed a new key. My fuse "looked" fine but when i tested it i found it was blown. Now it works great!!

[fooddiets]

Thank you so much! My key hasn’t worked for 2 years. I’ve had to use it manually. I had no idea there was a fuse.

[brianszuch]

Great video. Straight to the point with no BullShort

[ambiebambs]

I am now stuck at school in HOT temperatures. Thank you so much!!! I really hopes this works! Sadly I don’t have any extra fussers with me haha and I am now waiting for a ride. Thank you so much for uploading this video!!

[jenshields]

This just worked on my 2003 Mercedes C240. Thanks for these videos!