ProDiag Bremen
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Mercedes Comand Navi repair

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Our portfolio in the area of Mercedes Comand repair

At ProDiag Bremen, we specialize in the repair and optimization of Mercedes-Benz Comand systems. Our service focuses on selected NTG versions that are installed in various Mercedes models. Using the latest technology and extensive experience, we rectify typical problems such as software errors, hardware failures or regional restrictions in order to guarantee you flawless functionality.

Supported NTG versions:
  • NTG6: Installed in A-Class 177, E-Class 231 and GLB 247, among others.
  • NTG5.2 / NTG5: Installed in C-Class 205, GLC 253 and S-Class 222, among others.
  • NTG5.5: Installed in E-Class 213, G-Class 463 and AMG GT Mopf, among others.
  • NTG5.1: Installed in A-Class 176 Mopf, ML/GLE 166 Mopf and E-Class 212 2015, among others.
  • NTG4.5: Installed in B-Class 246, C-Class 204 Mopf and SL 231, among others.
Frequent repair services:
  • Correction of “Bootloader active” errors.
  • Repair of devices with restart problems.
  • Regional adaptation (e.g. from Asia to ECE).
  • Solution for navigation and software problems.
  • Provision of optional navigation data updates.

Our repairs are characterized by fast processing times (1-2 working days) and the use of the latest firmware. If required, replacement devices are also available to offer you maximum flexibility.

Rely on our experienced service and ensure that your Mercedes Comand system is fully functional again. Discover our repair offer for your Comand system at ProDiag Bremen now!

For the Comand NTG repair, we need the chassis number of your Mercedes Benz or AMG.

Mercedes Comand NTG 6

Typical error patterns:
  • Bootloader mode active
  • Device only shows the Mercedes-Benz logo
  • Constant restart
  • EU map or navigation cannot be loaded
  • “Radio is activated…” without success
  • No picture / black screen
  • Update stops at the logo
  • Change region to ECE
  • Navigation is not activated
  • Theft mode active
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Mercedes Comand NTG 5.5

Typical error patterns:
  • “Bootloader active”
  • Device does not respond
  • Digital operating instructions in the wrong language
  • Constant restarts
  • Card is not loaded
  • Navigation update stops at e.g. 82 %
  • Map update fails / is canceled
  • Apple Carplay does not start
  • Change region to ECE incl. EU map material & radio frequencies
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Mercedes Comand NTG 5.2/5

Typical error patterns:

  • “Bootloader active”

  • Device constantly restarts

  • Fan runs permanently at full volume

  • Display in Japanese language → Conversion to ECE version

  • Black screen / no picture

  • CD/DVD drive or changer does not work

  • Navigation not enabled

  • Digital operating instructions missing

  • Theft protection active

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Mercedes Comand NTG 5.1

Typical error patterns:
  • No FM stations / radio not available
  • Device does not start
  • Only the fan is running
  • Navigation not available
  • Navigation data error
  • Change region from any to ECE incl. maps & frequencies
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Mercedes Comand NTG 4.5

Typical error patterns:
  • Bootloader mode active
  • Device constantly restarts
  • Chinese characters → Change region to ECE
  • Navigation update hangs or fails
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Comand sat nav repair in the ProDiag Bremen online store

Discover our Comand repair category in the ProDiag Bremen online store – your solution for the repair and optimization of Mercedes-Benz Comand systems. Our range includes a selection of professional services and products specifically designed to restore the functionality and performance of your vehicle electronics.

As a specialist for Mercedes systems, we offer high-quality repair solutions for Comand systems of NTG versions 4.5, 5.1, 5, 5.2, 5.5 and 6. Whether software errors, regional adaptations or hardware problems – we have everything you need to bring your Comand system back up to date.

The ProDiag Bremen online store is your first port of call for reliable and professional solutions. Rely on our expertise to keep your Mercedes’ electronics in top shape and optimize your driving experience.

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Comand Navi repair request form

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Comand/NTG version
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Error description / comments
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Costs & procedure Comand repair

The cost of repairing your Mercedes Comand system depends on the NTG version and the error pattern. As a rule, prices start at €99-820, depending on whether, for example, a firmware update, unlocking of the anti-theft protection or a drive error needs to be rectified.

You will see the exact price during the online ordering process after you have selected the appropriate NTG version and described your problem. If you are not sure which error is present, you can send us a request in advance with details of your device and the behavior.

Request

The repair of your Mercedes Comand system is carried out directly by us in Oyten (near Bremen). After successfully ordering online and providing all the necessary information, send us the defective Comand device by post.

As soon as we receive your device, we analyze the fault, carry out the repair (e.g. software recovery, module replacement, navigation activation) and test the system thoroughly. The processing time is usually 1-2 working days.

After a successful repair, we will send the device back to you immediately – ready for reinstallation. If you have any queries or specific error messages, our customer service team will of course be happy to help.

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CONTACT

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Contact us+49 176 4653 9664
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