2004 S500 Mercedes Key Fob communication issue FIXED
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- Опубликовано: 21 апр 2019
- Hello everyone, another DIY here for you guys. My Key Fob stopped working out of nowhere and it made me go crazy trying to figure out what's wrong. I hope this video helps you guys. After checking and changing the keyfob batteries I went looking for blown fuses. I found fuse 78 located on the passenger side dash blown. Problem solved. Have a great day guys. Thank you for watching and subscribing.
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thank you so much i was about to take it to the dealer
watched your video had the same problem and it worked i am so happy thanks again.
Thank you. I am so glad i was able to help. Thanks again for watching and subbing. Cheers
I put a dime on the end of the 2 batteries on the negative side to make a tighter connection . Before it would only work randomly but now it Works great .I have a 2004 e320.
Awesome. Cheers
Great video 👍🏿 you just saved me a lot of money 💰 I had the exact same problem and the fuse fixed it 👍🏿👍🏿👍🏿
Awesome. Cheers!!!!
Damn that's it! Thanks bro! Couldn't find any info on this issue but your vid is right on the money! Thank you again! Keep making vids on the car, we got the same car!!! Lol... God bless 😇
So glad it helped. Awesome. Thank you for watching and subbing. Cheers.
Thank you. It was the reason I owe you. I subscribed to your channel. I wish you success
Cheers.
Thanks 🙏 for the video 🎉
thank you nice one sir.
thank u peter great video
Thank you.
Great information
Thanks
You are welcome.
Just saved some beer money thanks
Thanks for your help
Glad i was able to help. Cheers
Thanks helped me with my 04 s600
Cheers
I have a S600 Mercedes V12 if I replace the fuses you think it would change anything to start my engine up.
Good job Thank you👍🏻
Welcome 👍
Cool , thanks for the vid .
Cheers
Peter, what the fuse 7.5A labeled in side of the dashboard ? thank you
Great info.
Cheers
Thanks a lot bro
Anytime. Cheers
Thank you very much for sharing your experience. My Viano won't unlocked. Car is locked I have a spare keys changed batteries still not communicating. I'll comeback with an update .
Hopefully it works
@@PeterZafra the passenger door has a key slot so manage to open mainland them the key fob works again. Thanks again.
Thank you!!
Cheers
Perfect thanks
Cheers
Thank you brother! This mfing thing was driving me CRAZZZZZZYYYYYY
Did it work for you?
@@PeterZafra 100% my friend! That stupid little fuse was blown and I knew about 3 fuse blocks (2 under the hood and 1 under rear seat) but not that one.
Well everything looking OK but if you are here in Wilmington NC that will be excellent, that help many people
Ty so much!!!!
Cheers
What bout 2002 did not have that but my problem same so where location in 2002 s500 please help me
Hello thank you so much for sharing ! I really appreciate any video that can save me money. I’m having a similar situation where my key fog is unlocking & locking the door & the lights come on but I can’t turn it in the ignition. Do you know any reason that will happen & how I can fix it on my own ?
Try to clean out the keyfob inside. There might be some stuck lint inside blocking the sensors from communicating with the car. I have a video that I did on it. Hope it helps you.
Where can I buy a fuse holder?
Hi, I woke up to the key turning but no ignition on a 2001 s600. Can you tell me where the 78 is located for this model? My fuse diagram only goes to 77. Also the lock fuse that you mentioned. I just got a new transmission and drive shaft I can't afford another costly fix if I can help it.
Check to see if you can turn of the ESP switch then try to move the steering wheel left then right and try tp start again. Is there an esp malfunction showing on your dash?
@@PeterZafra the center console buttons don't function at all and my ac console is off. When I put the key in the dash lights up but there are no error messages displayed nor lights on switches. I was told yesterday via phone for possible EIS reprogramming that it was more probable that I have a pre fuse issue. Smh😕
@@strandsbyolivia5076did u find fix or issue?
Great video
But I have different question what's the difference between s & w in the movement transporter ..which one is good for Mercedes car
S = Summer standard gear shift. W=Winter causing the gears to start off a little slower to avoid the tires from spinning in snow from a completed stop.
Do you know where this fuse is for the 2002 cl55? No fuses on the side of the dash for me
I don't. Sorry. Please try to check online in the mercedes forums. Cheers
Thank uuuuu
Cheers
My 2001 s430 doesn’t have the fuses under the pane on either side of my car and I’m unable to locate that fuse number. I need help!
Try the fuse box located on the passenger rear kick wall right under the back seat bench. There should be a door panel there and fuses. I'm not sure if the fuse is there associated with this particular issue but worth checking. If not, google your year fuse location. Hope it works. Cheers
Hi did anything else happen? My father power seats and windows didn’t work along with key fob not identified.
The seats and windows not working can be something else. The key not identified could be a dirty key fob. I have a video on cleaning out the keyfob. Might want to try that first. Also the battery
I have a 2003 s430 and my key won’t turn nor wen I replaced the battery in the car the key wouldn’t open the car doors or unlock the trunk
I have a 2002 S600 with the same issue --- I only have 3 fuse boxes and dont have that one on the passenger side. Any ideas or help? Really would like to get my car up and running.
Please make sure. It's to the right of the glove compartment. You gotta pull the cover off. If not, check fuse #16. I'm not 100% familiar with the 02 s600 but I would think it's the same location. But do check 16
good looks just save my life lol
Cheers
I have the same problem but i have a cl55. Is the fuse box on the same location??
Try checking. I'm not sure. You can also join the mbz forums and I'm sure someone has dealt with this issue with your model. Cheers
I got a 2012 glk 350 , one day I used my SUV got out pick up something from store, got back in my SUV and didn't work no crank no start, changed the battery on they key fob still doesnt work , doesnt open or close door not even the panic botton work put the key in the ignition slot but only interior light and headlights work.changed the car battery too.any suggestions?
Locate the fuse that powers your car that I replaced on mine. It sounds pretty familiar. I just don't know your cars wiring diagram so see if you can locate that same fuse and make sure it's still good
I have a problem I took my battery into a Mercedes dealership that charged it and I brought a brandnew battery for my key it's not locking the doors or opening the doors alarm keeps screaming for 3 mins than off when connecting battery. wont start my car lights and that is all on which is a very good luck sign. might be other battery in front engine electric window down go down or up. now the electric chairs not working before yes.
My key fob is working responding with the car it's just not unlocking my doors or openin my trunk would that still be a blown fuse issue?
I would definitely try checking. It could save you some money
Blown fuse, most likely pse pump in the trunk.
Have an intermittent problem when I insert key in ignition, sometimes it clicks and I can start immediately and at other times it takes a while...also my Central locking with the key doesnt work and fuse is fine...any idea why this is happening? Thanks
Try cleaning out your key fob. I have a video of that link below. A lot of lint gets in the remote. Everytime that happens, also try to move the steering wheel left to right a couple times and then try starting the car again. Hope that helps. Cheers.
hello my friend ..I have a problem with my Mercedes 2006 S400 car .. If I use it, for example, it is 5 in the morning and the engine turns off .. I can not start the car until after 24 hours at the same time ?? do you have info about that?
That sounds like. Crankshaft position sensor. CPS sensor. I've had that happen to my car before as well but i didn't post a video. After you replace it, you will need to take it to a mercedes mechanic to reset the ring gear adaptation. Hope this solves your problem. Cheers
Hello I seen a 2001 500s for sale for 1000 bcs the key fob is not recognizing the key would this trick also work it for it 🙏
Owner says it was bcs the battery died and the fob stop recognizing
I have a c230 kompressor and the key got washed off in a washing machine so i used a hair dryer it started working for some time but now nothings happening. Anyone got any idea what to do?
Make sure it's completely dry. I hope you removed the battery right away as that can cause damages
Sunroof won't work do you know what fuse I need to check 2003 S430 ?
Hi. Try fuse 77 under the rear passenger seat. Cheers
👍👍👍
Love the rare brabus 2 piece wheels!!
Man bro. It took me years to find these wheels. Very ultra rare.
@@PeterZafra I bet! I'd love to get some for my w140, ive seen some on ebay but they demand so much it's way out of my budget but your w220 hands down looks amazing with them on!
That's what they are!? Nice 👌
Hey bro my 2004 slk have problem i cant close my car ı cant open and ı cant start engine becasue ignition doesnt turn posision 1-2 and 3 can you help me?
Have you checked the battery? The battery might be dead. Or not enough charge to turn engine.
My g500 2003 hard to work. Press so many time to work. And I have 1 more key it work how to program other key please help
You would need to take to dealership or indie shop that has programmer
Hello Peter.... when I click the button on my key the lights will be working but the doors and the trunk won't lock nor unlock so I have to use the mechanical key to open the car.. Do I have the same problem that you are explaining in the video.... Thank you and I would really appreciate your response. Btw my car is a 2001 cl55 amg luxury sport
Check the fuse. Also make sure fuse for door locks fuse are not blown either.
@@PeterZafra thank you for your response... so I shall check the 7.5 amp fuse only ,right ??
Check fuse 40 under the light of the passenger rear seat. I've never come across this issue but check the fuse first.
Thanks for your vid. I have a similar problem, but only with one key. The "spare" key works! I took the fob apart, check it visually, cleaned it, change batteries, but still wasn't working! Would you have any idea, what may fix that?
Did you make sure that the fob wasn't being blocked by lint on the sensor part of the key fob? If its clear then there could be a rare case of the fob needing to be re programmed or worse case just need to be changed.
I have a similar issue with some complications. My fob wont do anything even with new batteries. Trick is, I can't get in the car even with the metal key. Some punk broke into it on the driver's side and busted the latch. I can unlock it with the key but the latch isn't catching on anything when you pull the handle. It has been sitting for a while with a dead battery. I bought a new one(charge them first, it was new off the shelf and had a 50% charge) and the trunk light comes on, but no other signs of life. Please help.
Sorry to hear that your car was vandalized. Unfortunately, you might need to bring it to the dealership to get programmed. Are you able to start the car?
@@PeterZafra Since I rocked it before I realized the latch was broken, right now I can't even get into the cabin. The dealership says its past the age range they will work on, but I guess they will still do dealer only programming. I asked them about a new key and they said they will bring it to me and program it if I can't get to the dealership. I offered to take it in in case there were complications and he said they wouldn't do anything else for it since it's too old.
was the led on key after the battery change working
Yes
Hi dude, where do you get those wheels? I have a s55
It took forever for me to find these. Brabus monoblock 3. Very very rare.
My fob doesn't open or close My car..
I can't open the trunk from the inside ..I also heard a funny noise coming from inside the trunk area when I try using the fob ..plz help
I'm not sure what can cause that noise in the trunk when using the remote but it can possibly be the trunk motor. But I'm not sure
I lose my remot oem then ..i bay aused one oem withe sestem computer seatch transimoin wood ..what i do now
Sorry. I would bring the remote to dealership or mechanic to program.
@@PeterZafra i think i whel do seam yuo . Thanks frind
The lights are flashing when I open the door use but nothing else responds after I changed the car battery. Won't open door or turn ignition.
You might need to get it reprogrammed at the shop. These cars go through a series of reset whenever you change the battery. Hope you got it resolved.
Hi Peter, my key fob works but my locks don't pop up, my trunk won't open, my inside lights don't turn on, my soft close doors aren't working, my lunbar ain't working, it's crazy. I was vacuuming out the car, and I had the hood up the trunk, and the doors open after about two hours of that I closed everything and nothing was working, I couldn't afford this car, but I figured I could try and do the work myself, but man it's like 20 things in one, plus my AC stop working
Aww man. You might have some issues with the Sam unit. I suggest go to an independent shop and see if you can have them run a code check. You might have blown fuses or computer needs to be reset because of a dead battery. Let me know how it goes. Cheers.
Thank you Peter. I tried everything... new car battery ( needed one), new battery in keys... still nothing. Took out fuse (7.5) and it was bad. I replaced and it blew again. I tried a 10 amp and it blew. I only had a 20 amp, so I tried and it worked. The car sits at a vacation home about three weeks a month. Any suggestions? Thanks Again!
Its weird how these cars work. Mine sits for a long time as well and it blew on its own. I really have no other answer about it other than an older car. If it blows again, don't up the amperage since it might lead to something worse.
The volume buttons on the steering wheel are very sticky. Any suggestions?
Brad, keep those larger fuses out of the slot. Use ONLY a 7.5, if you use a 10 it could cause a fire.
This car is sitting too much. Worse thing you can do to a vehicle is NOT drive it.
@@bradsmith3402 Use turtle bug off. Recommended by car guru scotty filmer on you tube
Mine the fuse kept blowing, any suggestions
You might have a short on the door lock actuator
Well I have a 03 s430 my key fob works but my steering wheel is loose and it won’t turn crank the car it’s just stuck in the 1st position please help!!
Check fuse 78 in the cockpit box right side of car and see if its blown.
Peter Zafra Need help I drove to Vegas and parked my car at hotel then I come back to my car hours later and my key fob doesn’t work or communicate once I got into car alarm start flaring off til it stops then I stick key in it doesn’t do anything can’t open turn from inside can’t do anything but my lights and radio cut on???? So I’m doubting dead battery do you think it’s the key fob fuse or ignition switch??? This just randomly happend but I’ve been having to my out my key fob in twice sometimes before for my car to be able to read it need help please!!
hello, i today wash the car in carwash and after that i have same problem,not lock unlock key dont comunicate wit the ignition , but i have 1998 year w220 s500 and i dont have fuses in panel sides bihaind the door , :(
where search the problem in my car.tnx
Can this work on a 2003 SL ?
It wouldn't hurt to try. They should be pretty similar
I have a 2006 s350 the key does not lock or unlock the doors and trunk does not turn the switch, the fuses are fine, what else can I check
Make sure the battery is fresh in the keyfob. If it's good, then your keys might need to get re programmed
My fob was acting up. I changed out the batteries. 2005 S500. Took it to the shop. They had to get new fob and reprogram. $180. 4 years ago.
Guys please help I have a Mercedes Benz c200 w203 2004 the key does not turn in the ignition at all. I can only lock the car use the remote (key) but can't lock it. I don't have the spare key to test. I checked fuses they all are fine. Any advise in the area would help a lot. Thanks
Try cleaning the key fob out. This could help. Sometimes lint could block the infrared sensor and prevent communication with the computer. Cheers.
ruclips.net/video/0Z-YoO0_UsE/видео.html
Thanks for the information I am having the same problem 👍👍
Hi i have a problem whit my key.
It don t work if i m 1meter away from car .
Can you help me .
Ty
Have you tried changing the batteries? That might be the issue. Also, please try to clean the case. Sometimes the lint and debris can cause signal interruption
@@PeterZafra i changed battery and it is the same problem ...
Case is clean but same problem..
Hi Peter you seam to know so much about this key so I'm going to ask you , I was actually watching the other video ,but it was blocked . How can I replace my keyfob with keyless go for SL 04 ? I'm told to go to MB and pay $500 , it's so much. I appreciate your help thank you .
Hey sputnic. I've never looked into that for my car. I have to say that I don't know. Let me know if you do find out. I'd want to do that for my car as well. Cheers.
@@PeterZafra Thank you Peter ..
The same fuse is blown out on my s500 except mines blows out immediately when I put a new one in. What are possibly causes? Your comments will be greatly appreciated.
Do you have your car battery connected to a float charger? If yes, disconnect before pressing any remote buttons. Also, leave car unlocked when float charging. I'm not sure what else could cause the fuse to pop. For sure there's a short somewhere that's causing that. Make sure that fuse is snug in the housing to prevent arching.
@@PeterZafra Apparently it's a short circuit. I don't know where it is coming from but that is causing the fuse to keep burning out.
Unplug your alarm siren behind the driver side tire. I had the same problem.
@@MichaelFLLC You are the second person to confirm this. Thanks I'll try that.
Jay 2019 You’re welcome. I hope it solves your problem.
Hi, I have a 2003 s500 where the key fob can't unlock the car with the remote or recognize the key in the ignition (at least for the first 10 or so tries), but it only happens in the morning when it's cold out. Any thoughts on what it could be? I've had the key fob battery changed, the car battery charged, and replaced the 78 fuse. Let me know, Thanks!
Wow that's strange. Make sure the fuse is on tight. It maybe having difficulty making contact in the cold
What was the problem?resolved?
Ignition fault, if you keep the key in the igniton 24/7 it Will work but its a temporay solution you have to change the igniton cause its not ”reading” the key, costs about 1000 dollar from Mercedes they have to do it beacuse of programming and stuff
If your fob is not communicating will it turn
Both
Is this the same in the UK?
Not 100% sure but check the fuse number. It should be the same
I have the same problem. I replaced the fuse but it keeps blowing what's causing this?
There's most likely a "short" in the line somewhere. That could be anywhere. That can be a tough one. Try checking the mercedes forums online. They have a lot of experts in further diagnosis. Hope it helps you.
Replace your alarm siren, internal battery dies and losses communication, sits behind the drivers wheel behind fender cover. Sounds odd but that’s your problem, it’s common on 10 year old MBs.
@@spaceexplorer6636 it worked thanks.
In my own case, the two keys are not communicating. Alarm always screaming, had to remove the battery terminals and it took few minutes before the noise stopped. Can't get the key working still
Probably needs to be reprogrammed
My lock and unlock buttons in my car do not work. I have no idea why.
Check the fuse I showed on this video. It's happened to me too. Also, try cleaning out the keyfob. These cars are very sensitive with dirt and stuff. Hope you get it figured out. Cheers
Currently having a similar issue with my 04 s430 only problem is I can’t lock or unlock the car only way for me to lock or unlock the car is the key thingy on the key fob
THERE is a rear antenae in the upper rear window deck inside backseat. You would need to buy a new one or clean the connections. You access by partially removing some trim from rear window left and right. This is where the Sclass antenaes is.
I have a w220 my key is communicating but it does not lock or unlock the car neither the trunk but when i press either the lock or unlock button the lights turn on but its not locking or unlocking the car so its unlocked all the time. What is happen please help me
Hi. Does your lock unlock button work on the doors? If it does then you may need to reprogram the remote. If the door switches don't unlock or lock the doors, then it could be the lock fuse
Peter Zafra my benz is s320 2000 model where is located the fuse box containing the lock fuse because i checked the location you showed and there was no fuse box
Peter Zafra actually i also have a problem with the doors and trunk vaccum the trunk wont close totally so could this be a commun issue. What would you advice me to do?
Check your trunk for a fusbox
Toufic Sakhat central locking vacuum pump needs to be replaced in the trunk driver side
My s430 2002 the key fob didn't work and the trunk wouldn't open and went to a shop and got charged $380. He fixed the trunk to open, but the door still won't unlock with the remote.
Did they tell you what they did to habe the trunk work? There might be a reset in the fob that they need to do. Sorry. I've never ran into that issue. Just what i stated on this video.
@@PeterZafra yea some latch they had to fix for the lock. The key didn't open the trunk either before. I tried resetting the key fob still not working to unlock doors.
Does it work on Mercedes c240 2005
You tell us Mark. For the price of a fuse, did it work on your C240?
Bent Nickel it didn’t I tried to change the fuse it’s located in different place in the trunk I changed it but still doesn’t work
Same problem? So waht too do?
Have you changed the fuse? If it keeps blowing, it might be a "short" somewhere. Try Benz forums online. There's a lot of people that go further than the fuse issue. I've never had it go further than replacing the fuse. Hope you get it fixed other than going to the dealership or shop to fix.
My brother's model is a 2005. His key fob does not open the doors, BUT is will start the care, lol... Help.
Check fuse. Also make sure that door actuators are working well
Okay will do
Hi, I have a Mercedes B250. The key fob stopped working and wouldn’t unlock the doors. I use the manual key inside the key fob to unlock the door and was luckily able to start the car with the key fob itself. After I got home I tried the key fob again to lock the door and unlock it and it worked. I’m afraid that this is going to happen again. I don’t know what the issue is. The car started so I can’t be the fuse. Does anybody have a similar experience and have a solution to share? Would very much appreciate it. I hate car problems!
Have you tried changing the batteries? If not, try that first and then if it still does it, then your key fob might need to be reprogrammed
Yeah eventually I had to get a new key fob and they reprogrammed it. somehow those things wear out over time. cost me $180 4 years ago.
I had same problem, I still can’t fixed, buttery is good and the key also good but car no power at all
Double check fuses. Most of the time it's the problem. Check battery on keyfob and make sure keyfob is clean with no lint inside covering sensor
I have a friend with 2000 s500 and it won't start or crank. We tested the relay and a message popped up.but now no lights will come on on the dash and still won't start
Have you checked to make sure that the battery has charge? Check and make sure that there's power going into the SAM unit. Check voltage at the bottom of the passenger front seat floor mat.
@@PeterZafra yeah we bought a new battery. But we didn't check the Sam unit.ill look and in form you thanks
Why my trunk wont open?
Not sure about that problem. Maybe the motor is not working on your car. Does it open when you press the button from the trunk?
Bad news it's not blown any suggestions?
Try cleaning out the keyfob. The link to my video is on the description of this video. Hope that fixes the issue. Cheers.
passin' joe errrrrrrrrrr lol I saw what you did there.
I have a Mercedes Benz c230 2005 it did the same thing
Do u know how could I fix it
I personally haven't worked on a c230 but it definitely won't hurt to try this procedure.
how did you get into the car? my car is locked and I am looking for the best way to unlock the car so I can change the fuse.
Take the emergency key from your main key, and unlock the driver door.
@@hr.linnas5329 same issue here but the key won’t unlock the drivers door? 🙃
My panic button no working anymore, can that be a fuse
my car is doing the exactly samething doors dont unlock on key I changed the key battery my battery charged up still not responding the key. so number 2 I took my key to a reprogram a new spare key and my key had said on his lap top my car is not working good enough. he says my car will work all doors will open too. and alarm hard to believe this guy but I will changed all my fuses to be honest to make sure everything going to be going well 100% any advice comments sometimes we cant always believe in machanic or technology people if use all mo what I mean only RUclips we can always trust sometimes
If you change this fuse or it is ok and you still do not have communication with smart key and will not start. Try putting 12V to that fuse directly. If all works ok after that, you have a shorted wire to that fuse. One common problem connection that goes to the back of the car. It is beneath the carpet on front passenger side where this fuse gets its power. Lift carpet from passenger floor all the way to front of front passenger seat. Its not where all the connections are where module is at fire wall. it is roughly 8" back from there, and to the right center of the seat. About 6 wires connect there. Its a thick gauge red wire connection that powers that fuse. That usually has the problem lays. Good luck
Keep in mind, not all W220's have this right side fuse box. I believe, is on 2004 and up.
Everyone video ppl skip over how they opened their car.
Mine didn't have the issue of not being able to open the car. Mine was not starting due to the blockage. Cheers
It’s a Mercedes. Never that easy! It’s a piece of shit! My wagon is garbage. Close on junk yard if it doesn’t run by tomorrow
I agree but i still love my euro trash
Bla, Bla,Bla this video should have been 60 seconds.