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FAQs

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How does a repair work? What do I need to do?

It’s simple:

  1. Select and purchase the appropriate repair service in our shop.
  2. You’ll then receive an email with a link where you can choose whether you want just a DHL shipping label or an empty box with packing material from us.
  3. Send us your unit – either in your own packaging or in the empty box we provide.
  4. We repair your defective navigation unit and send it back to you.

How long does a navigation repair take?

  • Instrument cluster repairs: Usually within 3 days.
  • Navigation repairs: More complex and usually take around 1 to 3 weeks.

You receive regular email updates so you always know the current status of your unit and when it will be returned.

How much is shipping?

For customers with addresses in Germany, both outbound and return shipping are included.

What costs should I expect?

Our standard repairs are listed at fixed prices. If the cost is higher after inspection, we will contact you first and agree any additional cost with you in advance. You can still decline the repair; in that case we charge only the inspection fee plus return shipping. The current total is €75.00 including VAT.

Who removes the navigation unit?

You can either remove the navigation unit yourself or have your regular workshop do it. We do not offer an on-site removal service and work exclusively by mail-in repair.

Ask Dirk!

  • No problem! I’m here to help. Whether you want to learn more about our repairs or need support with your order.
    testimonial author avatar
    Dirk
    Founder & Repair Specialist

Mercedes navigation repair – COMAND, NTG and Audio 20

Does your Mercedes COMAND no longer start, have no sound or show a “Software Missing” message? Depending on the unit and fault, electronic modules, drives and displays can often be repaired while preserving the original system.

Pixelfehler Hamburg has specialised in automotive electronics repair since 2005. We repair selected COMAND, NTG, Audio 20 and Audio 50 APS systems.

COMAND Online NTG 4.5/4.7 – does not start

Selected COMAND Online units can fail to switch on or remain dark. We offer model-specific repairs for suitable E-Class W212, C-Class W204 and SL R231 units.

Mercedes E-Class W212 – COMAND Online does not start

COMAND – crackling and audio interference

Crackling speakers, interrupted audio or failed channels can originate in the infotainment electronics. Speakers, amplifiers and wiring should be ruled out first.

Mercedes C-Class W204 – COMAND APS NTG4 audio interference repair

Mercedes Audio 20 NTG 5.1 – complete failure

On selected Audio 20 NTG 5.1 systems, the infotainment unit can fail completely, leaving the display dark and radio/media functions unavailable.

Mercedes A-Class W176 – Audio 20 NTG 5.1 complete failure

COMAND APS NTG 2.5 – “Software Missing” or anti-theft message

Older COMAND APS units can show messages such as “Software Missing” or “Anti-theft protection active”. These are different faults and should be matched to the exact message shown.

Audio 50 APS and COMAND NTG4 – drive faults

CD/DVD drives and changers can fail to recognise media or stop operating reliably. Suitable units can often be repaired without replacing the entire navigation system.

Display faults and older COMAND systems

We also offer selected repairs for dark or damaged displays and older COMAND 2.0 / Audio 50 APS systems.

Identify the exact Mercedes system

Different NTG generations and hardware versions were fitted depending on model and year. The exact unit and fault must be identified before ordering a repair.

Mail-in service

Within Germany, outbound and return shipping are free. A free shipping box is available on request. Current repair prices and conditions are shown on the relevant service page.

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Understand navigation systems instead of simply replacing them

A defective touchscreen, constant restarts or a completely failed infotainment system requires specialist expertise. Pixelfehler Hamburg has many years of experience repairing complex navigation and multimedia electronics – from VW Discover Media and RNS systems to Audi MMI, BMW CCC and Mercedes COMAND and NTG systems.

Our focus is on repairing electronic faults precisely and preserving the original unit whenever possible. In many cases, the entire navigation system is not defective – only a single component is affected. Professional repair can therefore be significantly more economical and sustainable than replacing the complete unit.

Want to learn more about common faults or repair options? Explore our navigation guides and repair tips and our navigation spare parts for selected units.