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Hey guys I just bought this 2010 e350 and the radio works but the command center doesn’t light up. I can see the radio station thru the cluster. I bought a used replacement with the same part number and same thing. All fuses are good engine and trunk. And info I’m stuck
Hey guys I just bought this 2010 e350 and the radio works but the command center doesn’t light up.
I can see the radio station thru the cluster. I bought a used replacement with the same part number and same thing.
All fuses are good engine and trunk. And info I’m stuck
COMAND DISPLAY REMAINS OFF...
You will want to scan your car to retrieve list faults. We recommend using a cReader Elite MB by Launch or better the @BenzNinja service.
By the time everything is sayed and done your COMAND unit may have an internal defect with solder bad or missing junction.
> Display vs. CMD:
The display is dark either because it's genuinely not working or because it's not being turned on by COMAND module.
Your good scanner will let you figure that under 2mn. Personally I bet display module is fine.
> ROOT CAUSE... UNCOOLED
You buy a $1500 replacement head that goes bad in less than 2Mo... what gives??
These CMD + DISPLAY units are HOT and feature a dedicated fan inside the dashboard to blows cabin air.
Great, then what?
There's a dedicated air filter that plugs up from dusty cabin air. When air flow is canceled, CMD gets to overheat.
Luckily we can read internal Temp data using cheap scanner tool.
Hey guys I just bought this 2010 e350 and the radio works but the command center doesn’t light up. I can see the radio station thru the cluster. I bought a used replacement with the same part number and same thing. All fuses are good engine and trunk. And info I’m stuck
Tried all the settings ?
Tried disconnecting battery(s) leave for a while and then reconnect to reboot in case a micro has got itself in a knot ?
It is likely to be the screen itself
Looks like you have skills,
so disassemble the Comand display unit by taking the back cover off it
and undo the flexstrips that connect the display and then reconnect them
and see if that fixes it.
It's a fair bet that the screen itself is faulty
and if so you can get one on AliExpress for about $50 USD
Worth swapping it out anyway to have a nice new display
It is likely to be the screen itself
Looks like you have skills,
so disassemble the Comand display unit by taking the back cover off it
and undo the flexstrips that connect the display and then reconnect them
and see if that fixes it.
It's a fair bet that the screen itself is faulty
and if so you can get one on AliExpress for about $50 USD
Worth swapping it out anyway to have a nice new display
I tried I don’t have the same screen as you I took it apart and put it back together and nothing. Aliexpress is member or a website to get a new screen
So I got it fixed. It was the com bus it had green corrosion. I got another one and boom it worked. Thanks for all the help guys hopefully it works for some
one here.
Thanks mate for reply , I have rhd. 2011 eclass 220d estate .
have checked what I can . Driving me nuts now.
do you just lift carpet on passenger side floor is a a box I am looking for (I am a novice but willing to try anything).
is it easy to see a problem by just looking at it and easy to replace part if need be.
do you need to check anything more than visual .
sorry for long post but not a pro at all this just a novice .
any help or picture or videos of location anywhere I can watch .
thanks and hope it’s same for me 👍
Thanks mate for reply , I have rhd. 2011 eclass 220d estate .
have checked what I can . Driving me nuts now.
do you just lift carpet on passenger side floor is a a box I am looking for (I am a novice but willing to try anything).
is it easy to see a problem by just looking at it and easy to replace part if need be.
do you need to check anything more than visual .
sorry for long post but not a pro at all this just a novice .
any help or picture or videos of location anywhere I can watch .
thanks and hope it’s same for me 👍
yes the carpet comes up easy. There is an aluminum box take off the 4 nuts. In the black cover by the rocker panel you see wires open that up and you see these can bus. See if you see any green corrosion.
Cheers mate , tried lifting carpet , struggled, did you need to remove seat to access the panel I see a black plastic cover next to side of seat but nothing inside is it in middle of floor or near the side panel on side wall at door , do you hsve a picture of the place further out to see whole door floor and location from outside looking in.
does look a bit complicated a job I think for me .
on a side note can you try another display from other car, or does it need coding or something. Seen screen on eBay might try that before ripping floor out .
thanks again for help
The same CAN BUS B crosses over from driver to passenger footwell... both sides have distribution bars. Takenpictures and mark your wires before getting creative or mad with tiny wires.
Peel back carpet on both sides to inspect for water damage.
Ultimately you need to fix the incoming water leak before it ruins SAM Module.
Cheers mate , tried lifting carpet , struggled, did you need to remove seat to access the panel I see a black plastic cover next to side of seat but nothing inside is it in middle of floor or near the side panel on side wall at door , do you hsve a picture of the place further out to see whole door floor and location from outside looking in.
does look a bit complicated a job I think for me .
on a side note can you try another display from other car, or does it need coding or something. Seen screen on eBay might try that before ripping floor out .
thanks again for help
the screen doesn’t have the code. I also bought another radio and same thing no code needed. I don’t know if it’s the same thing in other country
Cheers mate , tried lifting carpet , struggled, did you need to remove seat to access the panel I see a black plastic cover next to side of seat but nothing inside is it in middle of floor or near the side panel on side wall at door , do you hsve a picture of the place further out to see whole door floor and location from outside looking in.
does look a bit complicated a job I think for me .
on a side note can you try another display from other car, or does it need coding or something. Seen screen on eBay might try that before ripping floor out .
thanks again for help
the screen doesn’t have the code. I also bought another radio and same thing no code needed. I don’t know if it’s the same thing in other countr
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