keyless go/entry software update
Thread Starter
Senior Member
Joined: Apr 2015
Posts: 399
Likes: 24
2017 C43 Sedan
keyless go/entry software update
Hi, anyone knows what software update or document is available for keyless go keyless entry?
I heard it solved the keyless entry issue.
My car is in the shop NOW and my dealer cannot find any software update on it.
I thought it's gonna be an easy one.
PLEASE HELP!
I heard it solved the keyless entry issue.
My car is in the shop NOW and my dealer cannot find any software update on it.
I thought it's gonna be an easy one. PLEASE HELP!
MBWorld Fanatic!
Joined: Sep 2014
Posts: 1,822
Likes: 33
From: Whitefield, NH
2015 C300 Sport: Palladium, Premium, Multimedia, Leather, BLIS
I posted the information when I had it done in July. The update was listed as a solution to communication issues for Keyless Go. I have had zero issues since the update was installed.
Thread Starter
Senior Member
Joined: Apr 2015
Posts: 399
Likes: 24
2017 C43 Sedan
Hi Stan, they said my software is up to date.. My car was March production. the software update is available sometime in June/July, right?
Thread Starter
Senior Member
Joined: Apr 2015
Posts: 399
Likes: 24
2017 C43 Sedan
i have been told there's nothing they can do at this point...because my car has the latest keyless go software and there's no update or documents they could find for keyless go issue.
The issue happened only occasionally - say 2 times a month.
The issue happened only occasionally - say 2 times a month.
MBWorld Fanatic!
Joined: Sep 2014
Posts: 1,822
Likes: 33
From: Whitefield, NH
2015 C300 Sport: Palladium, Premium, Multimedia, Leather, BLIS
My car is a March production and, when I brought it in with a complaint about the Keyless Go, they did the software update and it is shown on my worksheet. They also were able to find an error code, so that may have helped. There is a software update for errors in communication between the fobs and the system.
Member
Joined: Feb 2015
Posts: 159
Likes: 5
C300
Mine had a firmware update. Didn't help. My dealer said mine isn't generating a code, but it locked them out in service bay, so they believed me. Usually if leave it alone for a while you can get in. Embarrassing when have guests to drive. My dealer reported it to MB and hopeful for another fix. Marked as 'normal for design of car' on invoice.
Keep your UBER app ready
Keep your UBER app ready
Last edited by kellens; Nov 5, 2015 at 09:07 PM.
Trending Topics
MBWorld Fanatic!
Joined: Sep 2014
Posts: 1,822
Likes: 33
From: Whitefield, NH
2015 C300 Sport: Palladium, Premium, Multimedia, Leather, BLIS
Mine had a firmware update. Didn't help. My dealer said mine isn't generating a code, but it locked them out in service bay, so they believed me. Usually if leave it alone for a while you can get in. Embarrassing when have guests to drive. My dealer reported it to MB and hopeful for another fix. Marked as 'normal for design of car' on invoice.
Keep your UBER app ready
Keep your UBER app ready
My new C300, which has been essentially trouble free, started doing the Keyless No Go thing soon after I got it. One time, my wife and I were locked out of the car during a torrential rainstorm and got drenched. That's when I brought it in to my dealer ... I was not happy. My previous car never threw a code, but this time the new one did and the dealer was able to find the update based on that code. That was back in July and, I say this with my fingers crossed, I have not experienced one problem with the system since that update was applied.
I wonder, if you give your own dealer the error code my car generated, they can find the associated software update for it. Whatever it was, it did completely cure the problem. When I first brought the car in, they were not aware of any update for the Keyless Go system. When they saw the error code, their computer did show that update.
Last edited by StanNH; Nov 6, 2015 at 09:02 AM.
MB World Stories
The Best of Mercedes & AMG
Dubai Tuner Gives the Mercedes G-Class An Entirely New Look
Verdad Gallardo
Six Gift Ideas Your AMG Loving Dad or Grad Will Cherish
7 Craziest Things AMG Gas Ever Built
Verdad Gallardo
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know
Verdad Gallardo
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Thread Starter
Senior Member
Joined: Apr 2015
Posts: 399
Likes: 24
2017 C43 Sedan
I wonder, if you give your own dealer the error code my car generated, they can find the associated software update for it. Whatever it was, it did completely cure the problem. When I first brought the car in, they were not aware of any update for the Keyless Go system. When they saw the error code, their computer did show that update.
Thanks Stan for the pic. I gave it to the dealer yesterday. They said they would not do anything to my car because even it's the same symptom, it could be a different root cause.
There was no code in my car.
MBWorld Fanatic!
Joined: Sep 2014
Posts: 1,822
Likes: 33
From: Whitefield, NH
2015 C300 Sport: Palladium, Premium, Multimedia, Leather, BLIS
No. When this happens, there is no communication between the fob and the car. It's just like trying to use the fob with a dead battery. The emergency unlock is so difficult and convoluted to use, that it becomes impractical to do anything but wait for the car to finally wake up on its own ... which it eventually will do.
Member
Joined: Feb 2015
Posts: 159
Likes: 5
C300
Gotta love it, my car at the dealer to fix this issue among take a stab at others. They asked if I had a second keyfob. It locked them out again. No codes thrown, and it has the firmware. I said, just smash a window if you're in a rush. Neither keyfob gets recognized if the system is in a 'mood'. They said they'd use a slim jim.
MBWorld Fanatic!
Joined: Aug 2004
Posts: 3,447
Likes: 333
From: Tampa, FL
2019 E450 4Matic & 2018 E400 4Matic
No. When this happens, there is no communication between the fob and the car. It's just like trying to use the fob with a dead battery. The emergency unlock is so difficult and convoluted to use, that it becomes impractical to do anything but wait for the car to finally wake up on its own ... which it eventually will do.
MBWorld Fanatic!
Joined: Aug 2004
Posts: 3,447
Likes: 333
From: Tampa, FL
2019 E450 4Matic & 2018 E400 4Matic
Gotta love it, my car at the dealer to fix this issue among take a stab at others. They asked if I had a second keyfob. It locked them out again. No codes thrown, and it has the firmware. I said, just smash a window if you're in a rush. Neither keyfob gets recognized if the system is in a 'mood'. They said they'd use a slim jim.
MBWorld Fanatic!
Joined: Sep 2014
Posts: 1,822
Likes: 33
From: Whitefield, NH
2015 C300 Sport: Palladium, Premium, Multimedia, Leather, BLIS
Junior Member
Joined: Mar 2015
Posts: 26
Likes: 0
From: Maryland
2015 C400
During the times it has locked me out (and I had Mbrace) i was able to unlock the doors with the app. But the car itself still didn't recognize the key for starting purposes. I had to pop the cap over the key ignition and turn it manually.
Thread Starter
Senior Member
Joined: Apr 2015
Posts: 399
Likes: 24
2017 C43 Sedan
No. When this happens, there is no communication between the fob and the car. It's just like trying to use the fob with a dead battery. The emergency unlock is so difficult and convoluted to use, that it becomes impractical to do anything but wait for the car to finally wake up on its own ... which it eventually will do.
Then, i guess mine was not the problem that you guys discussed. I could still easily press key fob to unlock the car.
