Mail-in repairs, available throughout Poland
Practical guides to factory radios, navigation systems and amplifiers.
COMAND NTG2 shows the menu and works from the steering wheel, but does not respond to the buttons? See how to use a loop test to check MOST and the telephone module before repairing the radio.
Factory navigation in a modern car works as part of a larger infotainment system, not as just a screen with a map. That is important, because the same symptom can result from damage to…
Factory OEM navigation is part of a larger infotainment system, not just a standard radio with a screen. It is linked to the vehicle power supply, CAN bus, sometimes the MOST loop, the amplifier, coding and the number…
Choosing a workshop to repair factory navigation starts with correctly identifying the problem, not with looking for the cheapest module swap. In OEM cars, navigation rarely works as a standalone device,…
Does your Comand NTG2 radio restart, freeze on the logo or show a black screen? Discover the 15 most common problems, their causes and symptoms. NTG2 fault diagnosis.
In other words, simply the code for the device. The password prompt appears when you turn the key — after data has started flowing through the CAN bus.
Here are a few ways to quickly check whether your radio is a Harman Becker Audio 50 APS – see which ones.
Does not switch on at all, freezes, or perhaps resets regularly? For us, none of these faults are a problem, because we service all versions of RMC.
Software or hardware fault? For us, it makes no difference — we successfully repair 95% of damaged NTG5*1 Mercedes navigation systems.
Why, after repairing Comand NTG3.5, will you not have to spend money on adding navigation to the car? Read what goes wrong in the Mercedes W221/C216.
Your Comand NTG2 radio in the Mercedes freezes on the logo. Sometimes it restarts, sometimes it briefly comes back to life… You are facing a frustrating dilemma: what is actually broken? Is it definitely the radio at fault?
What most often fails in these navigation systems? Here are 10 typical faults.
Repair does not have to mean needing to code it to the car. See how we service PCM3 and PCM3.1
