Front left malfunction - but OBD doesnt show any errors
Thread Starter
Newbie
Joined: Sep 2019
Posts: 5
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2016 GLA Manual Diesel 2.1
Front left malfunction - but OBD doesnt show any errors
Hello,
I have a C200 CGI 2011.
I needed to change the buttons on the steering wheel, so I took it off. While the steering wheel was off, I connected the battery back (by mistake).
So now I have a "front left malfunction consult workshop" error displaying, I have 2 OBD devices and none of them show any error codes.
I tried to clear errors but it still presists.
Any advice?
Thanks!
I have a C200 CGI 2011.
I needed to change the buttons on the steering wheel, so I took it off. While the steering wheel was off, I connected the battery back (by mistake).
So now I have a "front left malfunction consult workshop" error displaying, I have 2 OBD devices and none of them show any error codes.
I tried to clear errors but it still presists.
Any advice?
Thanks!
Last edited by Sem1989; Oct 14, 2024 at 11:55 AM.
MBWorld Fanatic!
Joined: Aug 2023
Posts: 3,687
Likes: 1,107
From: MA Coast
W204 2010 C300 4matic Sport M272
Front left what? It just says front left malfunction?
I would have guessed connecting the battery back while the steering wheel is off would cause an air bag fault. Are any warnings on the dash on, abs?
What obd tool are you using, a Mercedes specific one?
Maybe post a photo of what it shows.
I would have guessed connecting the battery back while the steering wheel is off would cause an air bag fault. Are any warnings on the dash on, abs?
What obd tool are you using, a Mercedes specific one?
Maybe post a photo of what it shows.
MBWorld Fanatic!
Joined: Oct 2019
Posts: 5,151
Likes: 1,765
From: Colorado
G550
OBD scanners have different levels of scanning depth and coverage. If you have an instrument panel error displayed, but your scanner reads no codes, it's likely that your scanner is inadequate.
Thread Starter
Newbie
Joined: Sep 2019
Posts: 5
Likes: 0
2016 GLA Manual Diesel 2.1
Hey, Apologies for the missing info.
The dashboard says "Front left malfunction consult workshop," and the airbag light (red) is on.
You are probably right about inadequate scanner, I have ordered another one and tomorrow morning I will walk to a garage near here and ask if they can reset the light.
The thing is, I have imported the car to Europe and it's waiting for tomorrow to pass the car inspection so I have to fix the light by noon tomorrow (waited for the inspection for 2 months).
The dashboard says "Front left malfunction consult workshop," and the airbag light (red) is on.
You are probably right about inadequate scanner, I have ordered another one and tomorrow morning I will walk to a garage near here and ask if they can reset the light.
The thing is, I have imported the car to Europe and it's waiting for tomorrow to pass the car inspection so I have to fix the light by noon tomorrow (waited for the inspection for 2 months).
Joined: Nov 2016
Posts: 7,847
Likes: 3,495
From: Maryland
2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
Crap! I wrote something but apparently forgot to post it. Watch this video. It's for a W203, but the W204 has the same problem. I had it happen to me. Once fixed, a good Mercedes scanner (e.g., XENTRY, LAUNCH Creader Elite BENZ, etc.) can clear the code and light.
Super Member
Joined: Apr 2008
Posts: 764
Likes: 171
From: Walnut Creek, CA
325Ci, 325Cic, C300
Got this from a recommendation here. If what you ordered is similar, then it’s likely to work.
https://a.co/d/bI2x8bC
https://a.co/d/bI2x8bC
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Super Member
Joined: Apr 2008
Posts: 764
Likes: 171
From: Walnut Creek, CA
325Ci, 325Cic, C300
Crap! I wrote something but apparently forgot to post it. Watch this video. It's for a W203, but the W204 has the same problem. I had it happen to me. Once fixed, a good Mercedes scanner (e.g., XENTRY, LAUNCH Creader Elite BENZ, etc.) can clear the code and light.
https://youtu.be/ZYsMYki8hUw?si=8JpZvq2_LfZ9HiAA
https://youtu.be/ZYsMYki8hUw?si=8JpZvq2_LfZ9HiAA
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These faults sometimes only show up in developer
no way you see them with aftermarket.
I can fix this easy with proper diagnostics
but try something. put your car back together. then battery off 30 min
and back. eventually after drive it a mile lock the car keys away and see if fixed
good luck
no way you see them with aftermarket.
I can fix this easy with proper diagnostics
but try something. put your car back together. then battery off 30 min
and back. eventually after drive it a mile lock the car keys away and see if fixed
good luck
