W204 battery charge voltage reading in speedo cluster ?

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vijilants

MB Enthusiast
Joined
Jan 23, 2007
Messages
2,586
Location
London
Car
W205 C43 AMG
Yesterday I called out Mobilo because I had a flat battery on my W204.

The engineer that came out jump started it and then was monitoring the voltage values via an engineering menu in the car, but it was being displayed in the centre circle of the speedo.

Does anyone know how to access this in order to display these values ?

Thanks
 
Not sure if this works on all w204 but this method works for facelift models with 12 button steering wheel option.
Key to pos 1.
Scroll main display to odometer screen with outside temp.
On steering wheel press & hold the phone answer & OK buttons for 3 sec.
New menu appears with 3 options top one is Vehicle data.
Ok this option. It will then display Voltage & Amps.
 
Not sure if this works on all w204 but this method works for facelift models with 12 button steering wheel option.
Key to pos 1.
Scroll main display to odometer screen with outside temp.
On steering wheel press & hold the phone answer & OK buttons for 3 sec.
New menu appears with 3 options top one is Vehicle data.
Ok this option. It will then display Voltage & Amps.


Thanks...will give it a go....and how do I put the display back to normal ?
 
Interesting. What are the other possible readouts?
 
alot of this on youtube.
 

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