Mercedes suicide radio

DANGER: pairing your phone with the original Mercedes car radio could cause the suicide of the Mercedes device!

After trying to connect my phone via Bluetooth to the Mercedes device, the radio/navigation stopped on one of the user interfaces and did not accept any input. Even all hardware buttons were out of function.
In the user manual we found the hardware reset procedure, so we tried, but no positive result or change. Then we found the fuse to cut off the power line, no result either!
The next stop was at the authorised Mercedes workshop in Hall / Tyrol, Austria. Very friendly and accurate service and immediate reaction.
After connecting the OBDII diagnosis tool to the car, a problem with the radio was reported …
Let’s try the suggested software rest ….
No positive effect!
Last chance: let’s disconnect the main wire plug of the unit …
Guess what?  No result …
Sorry, the unit is “dead”, no way to repair it. They offered to change it to a new one!
Let’s talk to the Mercedes responsible for warranty settlement: Sorry dear customer no way for a positive warranty settlement, because your car is 3 years old and has 63,000 km ….
Does the customer need to pay for the software dead lock of the Mercedes unit?
Yes, they will charge you the fee for the trouble analysis, but did not solve the problem!
Thank you, Mercedes, for sure I will keep that in mind when deciding on our next car!
Instead of spending a lot of money on the same navigation system, which just had left us, we decided to get an Alpine navigation for our car.

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