Screen just went blank, no COMAND
Thread Starter
Member
Joined: Nov 2019
Posts: 82
Likes: 16
From: Miami, FL
2016 E350 Base
Screen just went blank, no COMAND
So, two days ago my screen went blank and I could not turn on the radio, navigation, etc. It's like if COMAND went out of business. The screen does show my rear camera when I put the car in reverse, but that's about it.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
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Joined: Jul 2008
Posts: 8,384
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2019 G70 6MT & 2022 Ford Maverick XL
Are you on the original battery?
COMAND is one of the things the car will shut down during low voltage situations. If you haven't changed/checked the battery recently, I would start there.
COMAND is one of the things the car will shut down during low voltage situations. If you haven't changed/checked the battery recently, I would start there.
Thread Starter
Member
Joined: Nov 2019
Posts: 82
Likes: 16
From: Miami, FL
2016 E350 Base
Yes, I would imagine it's the same battery. I bought the car Nov 2019 and the seller was the original owner who seldom drove it. I will definitely check it out. Thanks for the suggestion.
MBWorld Fanatic!
Joined: Jul 2008
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2019 G70 6MT & 2022 Ford Maverick XL
I would bet that's your issue. COMAND failures are not common at all. As a matter of fact, most W212 electrical gremlins turn out to be due to dying batteries.
Thread Starter
Member
Joined: Nov 2019
Posts: 82
Likes: 16
From: Miami, FL
2016 E350 Base
Man, I hope you're right. I was getting nervous ($$$$).. Will check out the battery tomorrow at my local auto store. Thanks again!!
Thread Starter
Member
Joined: Nov 2019
Posts: 82
Likes: 16
From: Miami, FL
2016 E350 Base
MBWorld Fanatic!
Joined: Jul 2008
Posts: 8,384
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2019 G70 6MT & 2022 Ford Maverick XL
I am not sure if it is H6 or H8 AGM.. but it is definitely AGM. Ours was replaced at the dealer and we haven't had to touch it yet. Hopefully someone else can answer on correct sizing.
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MBWorld Fanatic!
Joined: Apr 2006
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From: Dallas-Ft.Worth,TX
2016 E350 Sport
Have you held down the Comand button for 20 secs or so to see if it resets? Even if you get a new battery or fully charge the old one, you may need to perform the reset.
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MBWorld Fanatic!
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From: 122W, 37N
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
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Joined: May 2006
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From: Virginia
W212 M276 DELA 30 ; W211 M113k, W126 M117, W126 OM617, W211 OM642 ; R107 M117 X2, Sierra 1500 LZ0
So, two days ago my screen went blank and I could not turn on the radio, navigation, etc. It's like if COMAND went out of business. The screen does show my rear camera when I put the car in reverse, but that's about it.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
MBWorld Fanatic!
Joined: Feb 2014
Posts: 6,190
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From: MA
2008 E350 4Matic, 2011 E350 4matic
Champion is JCI/Clarios. They're also the same makers of the Varta battery which was OEM for Mercedes. If the car hasn't been driven much, you could always throw the battery on a charger. Most auto parts stores will charge up the battery for you. You could also do a load test on it to see if it's still good.
Super Member
Joined: Nov 2011
Posts: 973
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From: Austin, TX
2013 SL550 BiTurbo
My E550 has an H6 battery, I've had good luck with the factory batteries, but only having a 2 year replacement kinda sucks. My H8 I bought just over 2 years ago for my R before it was totaled. I charged it and load tested it and it tested fine. Put it in the E and started the car, no problem. Turned it off and tried to re-start...stone cold dead. Made me a little sick to my stomach. Oh well...
MBWorld Fanatic!
Joined: Feb 2014
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From: MA
2008 E350 4Matic, 2011 E350 4matic
My E550 has an H6 battery, I've had good luck with the factory batteries, but only having a 2 year replacement kinda sucks. My H8 I bought just over 2 years ago for my R before it was totaled. I charged it and load tested it and it tested fine. Put it in the E and started the car, no problem. Turned it off and tried to re-start...stone cold dead. Made me a little sick to my stomach. Oh well...
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Joined: Dec 2020
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From: 122W, 37N
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
those three primary domestic makers of lead acid car batteries are...
Johnson Controls, East Penn, and Exide.
Exide sells the vast majority of its batteries with house brands. Exide has been involved in endless controversies over toxic dumping, executive malfeasance, labor malpractices, etc., and I will go quite far out of my way to avoid dealing with any Exide product.
per friends in the battery industry, East Penn runs a tight ship and clean operation, JCI is OK too.
Johnson Controls, East Penn, and Exide.
Exide sells the vast majority of its batteries with house brands. Exide has been involved in endless controversies over toxic dumping, executive malfeasance, labor malpractices, etc., and I will go quite far out of my way to avoid dealing with any Exide product.
per friends in the battery industry, East Penn runs a tight ship and clean operation, JCI is OK too.
MBWorld Fanatic!
Joined: Feb 2014
Posts: 6,190
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From: MA
2008 E350 4Matic, 2011 E350 4matic
Basically most AGM batteries out there are JC/Clarious. (JCI sold their division to Clarios) The only Exide AGM battery I know of is Bosch. They just relabeling their batteries. And the Exide has a bad reputation. East Penn is also good but they seem to be smaller so you don't see their batteries around as often. Autozone, Advance Auto is also JCI/Clarios but they just have regular 3 year warranties.
Newbie
Joined: Feb 2024
Posts: 1
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From: Bangalore
2015 W212 E350D
So, two days ago my screen went blank and I could not turn on the radio, navigation, etc. It's like if COMAND went out of business. The screen does show my rear camera when I put the car in reverse, but that's about it.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
I checked the fuse, and it was not blown. Before I call the dealership and brace myself for the financial headaches, any one else had a similar scenario and found a fix for it?
Mine is a 2016 W212, low miles (26k), so I know it's not been beaten to death. Would love your opinions and thoughts.
Thanks in advance.
