Command system help - nightmare!!

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KP090

Active Member
Joined
Oct 31, 2012
Messages
70
Car
Mercedes 06 CLK 280 Sport
Hi guys,

Can anyhelp with the issue im having.

Ive got a 2006 CLK 280 with the built in command system (sat nav etc).

The problem im having is that it keeps turning on and off constantly, i cant turn the volume down or change the radio station... sometimes it settles down and stays on the maps bit but then if i try change to audio it will wont do anything and turn off and on again... its really frustrating!

i opened up the engine bay fuse box and took out fuse 64 but it didnt solve anything...

recently i had a new battery fitted but im not sure whether its to do with that?

any suggestions?

Thank you
 
having the exact same problem with my command ntg2. Taking the fuse out for a min or so helped short term but the problem keeps coming back.I have a bluetooth adaptor for my phone attached in the arm rest cradle. Removed this in case it is causing the problem. Will post if removing this helps.
 
Spent hours on internet looking for people this issue. There a few the main solution seems to be pull the fuse and cross your fingers that it does not come back. My command system is ntg2.

Is your battery draining? Perhaps not noticeable is you are doing reasonably long journeys. Mine is used for school run so battery went flat last week. There seems to be a problem were the command does not fully shutdown if there is a sat nav disk in the command unit. Must say I noticed this myself. When the key is out of the ignition and command shut down you can here the system accessing the disk. This causes battery drain. Just took the disk out.

Also when you say you took the fuse out could it be you should have removed more than one fuse? I was under the impression that my command unit only had one fuse but somebody mentioned that are actually a couple so I will need to take a further look.
 
I mainly do short journeys as well, the battery was dead round Christmas so had it changed so I'm not sure if that's related to it?
I had the fuse map thing inside the car to show which fuse is for what item and it only said the command was fuse 64 along with the radio and other items related to it, the disc changer was fuse 20 but I haven't taken that out...


Taking the fuse out didn't do anything for me, I might disconnect whole battery and see if it make a diff... But your right about if the map cd is always in the system it's always trying to read it. Right now I can't even eject the cd coz the system doesn't stay on for long enough to eject the cd lol

I'm going to get a diagnostic done on a star machine tomorrow at star motors so hopefully I'll get some fault codes as I've got a few other niggly problems with car..

I'll post back the findings tomorrow for you
 
Do the command and audio specialist diagnose problems too? I thought they only just sell items..
 
Did you try charging the battery prior to buying a new one? Got myself a charger from amazon and charged my flat battery last week. Checked it tonight and it is fine. Just the short journeys killing the battery. I also had a few things draining it like folding wing mirrors and steering wheel adjusting to let the driver out easier. Worked out the wife was stopping and starting the car about 8 times a day and only covering about 12 miles. So that 8 starts , 8 wing mirrors etc.

Previously I had only pulled one fuse relating to the command problem. Tonight I pulled the radio unit , the multi cd player and one another cant remember which one. So will let you know if any of that helps.

Have a think about disconnecting the battery prior to doing that as I think that can cause a few issues.
 
I went today to get the diagnostic done at star motors - i highly recommend them!!

The fault codes i got regarding the comand system are:

AGW - Audio gatway:
D101 - MOST component at position 1 reports open ring. Status stored.
D146 - No or incorrect CAN message from control unit N73 (EIS [EZS] control unit)
D010 - The supply voltage of the control unit is too low

Comand or Audio:
D200 - At least one button is sticking or was activated for longer than 120 seconds.
D010 - The supply voltage of the control unit is too low.

CD changer
D001 - Watchdog error: The control unit has been reset due to an internal error
D710 - CD store fault: CD magazine is not ejected

SOUND - Sound system
D010 - The supply voltage of the control unit is too low
D811 - Component fan is faulty or the lead has open circuit

I was told that some of the errors such as supply voltage could have been due my car battery being dead suand so it has logged and stored the fault at the time it happened but now i have a new battery.

The garage reset all the fault codes but doesnt seem to have had any effect on solving the problem, was suggested the software may need updating but apart from that they werent too sure and might involve going to an audio specialist like comand online.

Later this evening the whole system wouldnt turn on at all however i could hear system reading to read the nav cd constantly, pulled the fuse out and put it back and this made the system turn on but still having the same issues of no buttons responding and it turning on and off constantly. eventually after about 10 times of this it stays on and responds to button changes but later after few hours its back to the same issue.



Does any know what these fault codes could mean and the remedy for them? Any help will be appreciated.

Thank you
 
Did you manage to get the nav disk out?
 
after about 10 goes at pressing eject it finally came out, felt a bit hot but that might be from me driving or it trying to read the nav cd constantly...

no idea what the fault codes may mean though... any suggestions everyone?
 
did they reset the codes then try the audio again? I.m guessing a fresh error would probably appear with a few mins. This would probably help isolate the problem rather than historical errors.
 
I would say keep the disk out for now. Tried to google you errors but nothing came out quick. What about asking your on this site. http://www.justanswer.com/ never tried it myself but looks pretty good as you have access to Mercedes techs.
 
they reset the codes and everything was fine but thats because by time i reached their garage which was a 30min drive the unit started working again.... the faults they found are probably the stored faults that were constantly happening... but after resetting and doing it again the system was working fine before the diagnostic so no faults came up so was told to see how it goes and if not maybe try a software update....

basically im at the same position but just this time with a few fault codes that i dont no what they mean
 
KP090 said:
I went today to get the diagnostic done at star motors - i highly recommend them!!

The fault codes i got regarding the comand system are:

AGW - Audio gatway:
D101 - MOST component at position 1 reports open ring. Status stored.
D146 - No or incorrect CAN message from control unit N73 (EIS [EZS] control unit)
D010 - The supply voltage of the control unit is too low

Comand or Audio:
D200 - At least one button is sticking or was activated for longer than 120 seconds.
D010 - The supply voltage of the control unit is too low.

CD changer
D001 - Watchdog error: The control unit has been reset due to an internal error
D710 - CD store fault: CD magazine is not ejected

SOUND - Sound system
D010 - The supply voltage of the control unit is too low
D811 - Component fan is faulty or the lead has open circuit

I was told that some of the errors such as supply voltage could have been due my car battery being dead suand so it has logged and stored the fault at the time it happened but now i have a new battery.

The garage reset all the fault codes but doesnt seem to have had any effect on solving the problem, was suggested the software may need updating but apart from that they werent too sure and might involve going to an audio specialist like comand online.

Later this evening the whole system wouldnt turn on at all however i could hear system reading to read the nav cd constantly, pulled the fuse out and put it back and this made the system turn on but still having the same issues of no buttons responding and it turning on and off constantly. eventually after about 10 times of this it stays on and responds to button changes but later after few hours its back to the same issue.



Does any know what these fault codes could mean and the remedy for them? Any help will be appreciated.

Thank you
Click to expand...

Anyone know what i can do?
 
so now that the fault has came back you will probably have a fresh error code that may point to the most recent fault code. Don't suppose you would go back to garage just to get another fault code that does not mean much to you. Now that the disk is out maybe one try of taking fuses out. Found this definition of open circuit. Maybe one of your buttons on facia are stuck or broken. One of your error codes did mention a button had been depressed for more than 120 seconds.


Open Circuits
Open circuits are by far the most common of electrical faults. Open circuits are broken wires, open connectors, inoperable switches, etc. Anything that forms resistance so high that current can’t pass through it will become an open circuit. Broken wires can be caused by repetitive bending of wires such as in a door harness, rodents chewing through the harness, or significant chafing of the wire against another component. Switches can become gummed up with road grime, or corroded from water intrusion
 
Hi I have a similar problem to this in my 2009 CLK is there a known fix / problem.

Reviving this as this was all I found in a search
 
greg 500sec said:
Hi I have a similar problem to this in my 2009 CLK is there a known fix / problem.

Reviving this as this was all I found in a search
Click to expand...
The fault codes 'supply voltage too low' is simply a flat battery. these can be ignored if the battery is fully charged.

Check for sticky buttons. A button that is fully depressed constantly can cause all sorts of problems.

The NTG2 systems in the cars and ML's is rather old now and often prone to PSU faults. An open MOST circuit wouldnt cause these issues. open MOST will cause the unit to come on and then power off before fully starting up.

As a first point of call disconnect the battery earth lead for about five minutes. This will cause all controllers in the car to reset. If that doesnt fix the issue then it needs specialist attention.
 
I unplugged all the fuses today to do the reset as described and now it doesn't work at all :( I get the Mercedes badge but then it shuts down.

Is it completely gone or can I get it repaired?

Thanks Greg
 
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