Mercedes Vito Viano W639 Dashboard Speaker Not Working No Audible Tone
If you own a Mercedes Vito (W639) or Viano (W639) and there is no audible tone , speaker not working then we can fix this for you.
Common problems :
- Audible turn signal indicator not working
- Display indicator sound intermittent
- Indicators working gine , but no sound
- No warning sounds
- No click click noise
This is a very common problem, it can start by the speaker sounds being intermittent and eventually no sound at all.
This can be rectified in house by our experienced technicians.
Some affected part numbers are :
- A639 446 04 21
- A639 446 02 21
- A639 446 2221
Made by Johnson Controls
NCV2 LOWLINE DIESEL MPH
All you have to do is remove and send the faulty instrument cluster to us.
We have full bench testing facilities and all functions can be tested.
All your vehicle settings remain the same aswell as the current mileage, VIN number and othe important settings.
If you have any questions , or would know how to remove your instrument cluster then please contact us.
Our repair process in 3 easy steps :
Carefully remove your unit from your vehicle. If you are not sure then please contact your local garage or google for removal instructions.
Complete transaction and print a purchase receipt and send it along with your item to our workshop address. Securely pack your item.
Once we have received your unit we will inspect and repair your unit and after thorough testing we post back to you.
We can also arrange to remove your faulty unit from your vehicle with a small charge, this service is only available by appointment only please call.
Revtronic Ltd is a UK based company, all our repair work is carried out in house, a full VAT receipt is given, we offer full guarantee on all our repairs