COMAND Diagnostic Mode (Warning for 56k Users)




To get into the Diag. mode, while in the radio tuner input press and hold the MUTE + 1 + 3 key at the same time. Hold them for 5 seconds and if successful you will be presented with the following menu:




This screen is a sub-menu of VERISONS:








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Excellent Adam! I'll be trying this out when I head out this morning....
Any clue as to what years/versions of COMAND this is likely to work on?




cool info, thanks! btw.. thanks for the readings, we now know where you live! <kidding>
99s don't have command
AC Diagnostic Mode
Press ”rest” for aprox 5 sec. Press then the left ”auto-button” a number of times to see the different channels. Mostly I use number 22, that is the speed.
01 In-car temperature sensor.
02 Outside temperature sensor.
03 Heater core temp, left.
04 Heater core temp, right.
05 Evaporator temperature sensor.
06 Engine coolant temperature.
07 Regrigerant pressure in bar (e.g. '4' is 4 bar).
08 Refrigerant temperature.
09 Not used.
10 Heater blower control voltage (normal 08-6.0, meaning .8 to 6 volts).
11 Emissions sensor voltage (to detect atmospheric gases and recirculate interior air).
12 Sun sensor voltage (to shift airflow in car).
20 Control current for auxilliary fan (electric fan on radiator, given in milliamps or mA).
21 Engine speed (x100).
22 Road speed (km/h or mph depending on installation).
23 Battery voltage at terminal 58d (as a percentage of total voltage, e.g. 99.0 = 99%).
24 Battery voltage (e.g. 12.8 = 12.8V).
40 Climate control software version.
41 Climate control hardware version.
I know that. I also have a 99 but I use the AC Diagnostic Mode. Here is how to use it:
AC Diagnostic Mode
Press ”rest” for aprox 5 sec. Press then the left ”auto-button” a number of times to see the different channels. Mostly I use number 22, that is the speed.
Thanks
I tried the MUTE 1 and 3 on my COMAND in my 2001 CL500 and it works, but now I can't get back to regular. Please help!!!!
Which buttons do I press to get back to regualr mode. I tried a few but no luck...




I have a A208 Comand but I think its been reconfigured for another model (eg. 210).
Is this info somewhere in the diagnostics menu ??
If so, where ?
To get into the Diag. mode, while in the radio tuner input press and hold the MUTE + 1 + 3 key at the same time. Hold them for 5 seconds and if successful you will be presented with the following menu:
Cannot see mentioned pictures .
Please help
Many thanks and regards from Spain
Juan Manuel



But I still can't decipher most of the diag mode jibberish.
