M-Class (W166) Produced 2012-2015

How Can I Update the GPS/NAV Maps in Comand?

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Old Feb 14, 2026 | 06:22 PM
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How Can I Update the GPS/NAV Maps in Comand?

My local area maps are old and out of date. I read somewhere that said you could download updated maps from browser/PC online to USB and upload to car that way. I went and created a Mercedes Me account but I can't find anything on the website about maps. I get my GPS service from SiriusXM. Are there any ways to update maps (preferrably via USB?)?
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Old Feb 15, 2026 | 04:44 AM
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You can start from here,

https://mbworld.org/forums/mercedes-...installer.html
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Old Feb 15, 2026 | 12:08 PM
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The GPS signal is a free unbranded service.

Live traffic data is sold by SiriusXm satellite.

Map data is from another 3rd party company.
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Old Feb 15, 2026 | 02:47 PM
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Originally Posted by trigital
Thanks. I just read through that thread and just got more confused. Is there a step by step guide somewhere that will show me the easiest way to do this on my 2015 ML350 W166?
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Old Feb 15, 2026 | 02:49 PM
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Originally Posted by CaliBenzDriver
The GPS signal is a free unbranded service.

Live traffic data is sold by SiriusXm satellite.

Map data is from another 3rd party company.
Thanks for that info. So can you recommend a third party company to get updated maps and will I be able to upload them to my 2015 ML350 via USB?
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Old Feb 15, 2026 | 02:57 PM
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Originally Posted by musicmafia
Thanks for that info. So can you recommend a third party company to get updated maps and will I be able to upload them to my 2015 ML350 via USB?
There's always a limited support cutoff for map updates - So ppl tend to favor their iPhone mirroring for the best navigation.
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Old Feb 15, 2026 | 03:02 PM
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Originally Posted by musicmafia
Thanks. I just read through that thread and just got more confused. Is there a step by step guide somewhere that will show me the easiest way to do this on my 2015 ML350 W166?
For most of MB owners, downloading the DLM software, choosing the right Map version, writing the USB stick and receiving the Activation Code for free - from me - may not be the easiest way but at least is free.
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Old Feb 15, 2026 | 03:02 PM
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Thanks tridigital!!!!!!

Last edited by musicmafia; Feb 15, 2026 at 03:51 PM.
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Old Feb 16, 2026 | 08:20 PM
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Originally Posted by musicmafia
My local area maps are old and out of date. I read somewhere that said you could download updated maps from browser/PC online to USB and upload to car that way. I went and created a Mercedes Me account but I can't find anything on the website about maps. I get my GPS service from SiriusXM. Are there any ways to update maps (preferrably via USB?)?
Its possible to do - I paid to have it done on my 2013 ML. But that was a huge mistake and I would never do it again. Factory nav systems are out of date again before you get them updated. The only legitimate option now is Carplay/Android Auto. Its possible to upgrade W166 hardware to accept modern cloud nav and that's the only sensible option. I used a RoadTop box in mine - I'm sure there are other options but I'm delighted with what I ended up with. I have 100% MB original system functionality and 100% Android Auto functionality on the factory screen. Could not be happier with the solution. As I recall it was in the neighbourhood of $500 Canuck-bux. it was a moderately complex install but definitely shade tree mechanic possible.
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Old Mar 2, 2026 | 03:17 PM
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Originally Posted by trigital
For most of MB owners, downloading the DLM software, choosing the right Map version, writing the USB stick and receiving the Activation Code for free - from me - may not be the easiest way but at least is free.
Hey, can you send me a message with the info for this please? I just bought a 2014 and would love to update it in the meanwhile before I save up for a roadtop or mr12volt

I'm a new member and don't have access to sending messages yet
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Old Mar 2, 2026 | 03:53 PM
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Originally Posted by Weezl
Hey, can you send me a message with the info for this please? I just bought a 2014 and would love to update it in the meanwhile before I save up for a roadtop or mr12volt

I'm a new member and don't have access to sending messages yet
The needed "info" is the one you already quoted.

Maybe you missed the part regarding the "free " activation as this is not available for newbies.


You can start adding your contribution here, this way beside helping others you will gain access to private messages and some other free stuff,
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Old Mar 2, 2026 | 04:25 PM
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Originally Posted by trigital
The needed "info" is the one you already quoted.

Maybe you missed the part regarding the "free " activation as this is not available for newbies.


You can start adding your contribution here, this way beside helping others you will gain access to private messages and some other free stuff,
Actually the info would be where to get the correct DLM now, as there's lots of people discussing which one and dead Links on the Mercedes website, with no clear info and obviously the activation key. DMs would also help keep the thread cleaner.

I'm aware of how forums work and posts help, and I do plan to contribute, but there's not a lot I can, when I know almost nothing about the vehicle I just bought... This topic isn't the reason I joined, and that comment wasn't my first on the forum.
Gate keeping the ability to use the maps because I haven't owned the vehicle long enough is a weird flex, but sure I can keep using my phone until I've bumped enough threads I guess...
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Old Mar 2, 2026 | 04:39 PM
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Originally Posted by Weezl
Actually the info would be where to get the correct DLM now, as there's lots of people discussing which one and dead Links on the Mercedes website, with no clear info and obviously the activation key. DMs would also help keep the thread cleaner.

I'm aware of how forums work and posts help, and I do plan to contribute, but there's not a lot I can, when I know almost nothing about the vehicle I just bought... This topic isn't the reason I joined, and that comment wasn't my first on the forum.
Gate keeping the ability to use the maps because I haven't owned the vehicle long enough is a weird flex, but sure I can keep using my phone until I've bumped enough threads I guess...
If you just bought a 2014 ML350 (congrats) and are not familiar with the vehicle, I'm guessing you will be posting and commenting a LOT in this forum very soon. I'm still discovering new features and figuring things out after all these years. Maps are probably not your top priority. This forum has been invaluable to me and I'm sure it will be for you. You are going to get a lot of great FREE tips and advice here that will save you a lot of time and a lot of money. Trigital is offering help I was unable to find anywhere else, without spending a lot of money. It is understandable that he wants to help people who have proven they are legit and trustworthy members of this community, and that is his right. Be patient, you'll get there!
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Old Mar 4, 2026 | 12:13 PM
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Originally Posted by musicmafia
If you just bought a 2014 ML350 (congrats) and are not familiar with the vehicle, I'm guessing you will be posting and commenting a LOT in this forum very soon. I'm still discovering new features and figuring things out after all these years. Maps are probably not your top priority. This forum has been invaluable to me and I'm sure it will be for you. You are going to get a lot of great FREE tips and advice here that will save you a lot of time and a lot of money. Trigital is offering help I was unable to find anywhere else, without spending a lot of money. It is understandable that he wants to help people who have proven they are legit and trustworthy members of this community, and that is his right. Be patient, you'll get there!
Thanks, I know what you mean, I've been on lots of different forums over the years for different vehicles and hobbies I've been into, which is why I took the time to make an account after lurking through my purchase process.

As dumb as it may seem, maps are actually at the top of my list right now. It's obviously not a dire situation, just maps, but I purchased the ml for business use, I found one that was basically ready for work, with the exception of a brake controller (tekonsha p3 is now installed) and resetting the service indicator (another thread started) finding safe ways to use the navigation to get me around the city for the day was my next priority.

Yesterday being the first day of work with it. I did find a few minor issues, I have to go looking into these rain sensing wipers, as the sensor seems not to be doing anything.
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Old Mar 4, 2026 | 01:40 PM
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More likely 2014 ML is equipped with NTG4.5 and for this unit the latest Map version for NA is 2019.
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