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Common and easy to do DAS 'tweaks'

96K views 127 replies 35 participants last post by  Avel Du  
#1 · (Edited)
Hi all

Firstly, read and re-read the sticky for this subsection from Woolly.

Secondly, the information listed on the post has been tested and works as per the description. Provided the steps are followed and you have an understanding of how DAS / Xentry works then you'll have no problems applying the coding and making the required changes.

Things can go horribly wrong IF you do the wrong thing - if in doubt, don't do it and seek advice.....

Remember, the information offered here is 'as is' - it's up to you to make sure any changes you make don't contravene any local laws etc etc

I'll provide the steps to follow - this already assumes that you have the car hooked up, DAS / Xentry already running and have selected the correct model / engine for YOUR car, and the steps start from CONTROL UNITS which is one of the MAIN GROUPS

If the coding requires (or is the result of adding or retrofitting) extra hardware to the car - for example, adding rain sensing wipers, power folding mirrors, TPMS, Comand, Airscarf etc etc then the assumption is made that the necessary hardware is already installed....


Enabling both rear foglights


Got to

BODY ---> REAR SAM ---> CONTROL UNIT ADAPTATIONS ---> CODING OF CONTROL MODULE REAR SAM

Change Rear Foglight to BOTH REAR FOG LAMPS

F3 to accept the changes, followed by F3 (Yes) to transfer the coding to the control unit. F2 to go back to the REAR SAM section, and then F1all the way back to CONTROL UNIT GROUPS


Enabling Cornering Fogs


Got to

BODY ---> SAM-F ---> CONTROL UNIT ADAPTATIONS ---> READ CODING AND CHANGE IF NECESSARY

Change Turning Lamps to PRESENT

F3 to accept the changes, followed by F3 (Yes) to transfer the coding to the control unit. F2 to go back to the SAM-F section, and then F1all the way back to CONTROL UNIT GROUPS


Enabling rain sensing wipers - hardware needed


Got to

BODY ---> OCP ---> CONTROL UNIT ADAPTATIONS ---> LIGHT SENSOR ---> PARAMETERIZATION AND WINDSHIELD ADAPTATION - F2 to accept the softwsre type message

Change Parameter to RAIN/LIGHT SENSOR SOFTWARE STATUS S28 (Note, other values may also work for you here)

Change Windshiled Version (Transmission Value) to the one that matches YOUR CAR - the last four digits of the object number are found on the the windshield underneath the windshiled stamp barcode

Codes are as follows..

Light and rain sensor
A 171 820 15 26 (code setting 28)
A 171 820 37 26 (code setting 30)
A 171 820 39 26 (code setting 32)
A 171 820 54 26 (code setting 53)

Light sensor only

A 171 820 30 26 (code setting 28)
A 171 820 38 26 (code setting 30)
A 171 820 40 26 (code setting 32)



F3 to accept the changes, followed by F3 (Yes) to transfer the coding to the control unit. F2 to go back to the OCP section, and then F1all the way back to CONTROL UNIT GROUPS

Then you'll need a second step

Go to

BODY ---> CGW ---> CONTROL UNIT ADAPTATIONS ---> READ CODING AND CHANGE IF NECESSARY ---> ALL CODES

Change Rain Sensor to PRESENT


Enabling Dimming Interior Mirror - Hardware needed

Got to

BODY ---> CGW ---> CONTROL UNIT ADAPTATIONS ---> READ CODING AND CHANGE IF NECESSARY ---> ALL CODES

Change Interior and Exterior mirror dimming to PRESENT

F3 to accept the changes, followed by F3 (Yes) to transfer the coding to the control unit. F2 to go back to theCGW section, and then F1all the way back to CONTROL UNIT GROUPS


Enabling the 'dumb' rotational based Tire Pressure Warning

Got to

BODY ---> CGW ---> CONTROL UNIT ADAPTATIONS ---> READ CODING AND CHANGE IF NECESSARY ---> ALL CODES

Change Tire Pressure Loss Warner to PRESENT

F3 to accept the changes, followed by F3 (Yes) to transfer the coding to the control unit. F2 to go back to the CGW section, and then F1all the way back to CONTROL UNIT GROUPS

Then you'll need a second step

Go to

BODY ---> CHASSIS ---> ESP ---> CONTROL UNIT ADAPTATIONS ---> TIRE PRESSURE LOSS WARNER (ACTIVATING)

F4 to switch the system on, followed by F12 to reactivate it .

F2 to accept the changes, and then F1all the way back to CONTROL UNIT GROUPS. You may get ESP / BAS errors on the upper MFD - turn the ignition off then on again to clear these...


Displaying temperature in the lower MFD

Go to

INFORMATION & COMMUNICATION ---> INSTRUMENT CLUSTER ---> DIAGNOSIS TO PLANT SPECIFICATIONS ---> CONTROL UNIT ADAPTATIONS ---> VARIANT CODING ---> READ CODING AND CHANGE IF NECESSARY

Set the UK VARIANTE to AUS

The instrument cluster will also need to be reset for this change to take, and thats done as follows..

From the above, save the changes and F1 back to the main INSTRUMENT CLUSTER menu

Go to

ACTUATIONS ---> CONTROL MODULE RESET

F3 to reset the cluster, F3 to ok the process and click OK once complete. F2 back to the ACTUATIONS menu, and then F1 to go back all the way to CONTROL UNIT GROUPS.The IC will perform a reset, the clock will reset it'self and then switch the ignition off, then back on again.

There are a couple of MFD menus that you may want to activate for this one too, and this is done from the Developer variant coding section

I need to pop out to the car to confirm the exact steps (I'll sort this shortly), and they give you the following extra's in the settings menu on the upper MFD (if you don't already have them)

The ability to change the DISTANCE units
The ability to change the TEMPERATURE units
The ability to change TEMPERATURE and SPEED around in the lower MFD


Enabling Gallons remaining in the UPPER MFD

Go to

INFORMATION & COMMUNICATION ---> INSTRUMENT CLUSTER ---> DIAGNOSIS TO PLANT SPECIFICATIONS ---> CONTROL UNIT ADAPTATIONS ---> VARIANT CODING ---> READ CODING AND CHANGE IF NECESSARY

Set TANKINFO in REICHWEITENBILD to ENABLE

The instrument cluster will also need to be reset for this change to take, and thats done as follows..

From the above, save the changes and F1 back to the main INSTRUMENT CLUSTER menu

Go to

ACTUATIONS ---> CONTROL MODULE RESET

F3 to reset the cluster, F3 to ok the process and click OK once complete. F2 back to the ACTUATIONS menu, and then F1 to go back all the way to CONTROL UNIT GROUPS. The IC will perform a reset, the clock will reset it'self and then switch the ignition off, then back on again.


Enabling the Telephone Buttons on the steering wheel (for those who have changed out from an Audio 20 (or othe MB headunit that DIDN't have phone prep) to an aftermarket headunit with a steering wheel control module.

Go to

INFORMATION & COMMUNICATION ---> INSTRUMENT CLUSTER ---> CONTROL UNIT ADAPTATIONS ---> CUSTOMER SPECIFIC SETTINGS

F2 to accept the SCN message

Change IPOD: OPERATION VIA MULTIFUNCTION STEERING WHEEL to POSSIBLE

F5 to write the changes to the car, F3 to start the transfer, F2 when complete, OK the reset message (if you get it) and F2 back to CONTROL UNNIT ADAPTATIONS.
F1 back to CONTROL UNIT GROUPS

More to follow....
 
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#50 ·
need to pop out to the car to confirm the exact steps (I'll sort this shortly), and they give you the following extra's in the settings menu on the upper MFD (if you don't already have them)

The ability to change the DISTANCE units
The ability to change the TEMPERATURE units
The ability to change TEMPERATURE and SPEED around in the lower MFD

Did you post the procedure for the above ?
I can't find it posted.
 
#52 ·
Morning ..

These won't be available unless you've have coding done before-hand to change the standard lower diplay to outside air temperature instead of KMH ...
 
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#53 ·
das sim mode

.playing around in the sim mode trying to enable fuel remaining in tank.got to control unit adaptations, I then have read coding and or transfer download data to new control unit. And I also have control unit adaptations (download). I dont have a variant coding.
 
#54 ·
connected my das star setup to car today for a play around
enable both rear fogs--done
enable conering foglamps --done
alarm chirp lock/unlock--done
so not a bad morning in all ,A big thanks to sean and others for posting the procedures on how to do these precedures
 
#57 ·
These won't be available unless you've have coding done before-hand to change the standard lower diplay to outside air temperature instead of KMH ...


did some more coding today and changed lower display to show outside temperature.
could you please post procedure to do the following.




The ability to change the DISTANCE units
The ability to change the TEMPERATURE units
The ability to change TEMPERATURE and SPEED around in the lower MFD
thanks very much
 
#59 ·
I had a go at changing the lower mfd from kph to outside temp and it never went well.i followed the steps I have and set the the uk variant to aus.saved the changes and then did a instrument cluster reset.my time clock started winding backwards and then forwards.and the kph in the lower mfd changed to mph (not outside temp) using the steering wheel controls I can toggle it between kph and mph. so any idea why it never changed to outside temp like it should have done
 
#64 ·
I can't help with DAS, but now that you've set things to Aus, and you can see mph in the lower MFD, is there an option via the steering wheel controls to display outside temp instead of speed (which should then show in the lower MFD)?
 
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#60 ·
Not had access to my notes for a few days

The menu items for the settings screen need adding to enable the units to be changed over

Numbers 4, 5 and 6 need enabling

Found in INSTRUMENT CLUSTER .......................... VARIANT CODING --> READ CODING AND CHANGE IF NECESSARY
 
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#63 ·
Make that options 4,5 and 8 - slight typo there

And yes to the reset.
 
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#65 ·
Enabling those menu options via DAS puts those options on the settings screen(s) if they're not already there ...
 
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#68 ·
It's because the car's region has been changed and it's showing the opposite unit of what should be on the speedo

ie

UK - MPH on speedo, KMH on the display
Europe - KMH on the speedo, MPH on the display

It's a mis-interpretation of one of the rules that says a speedo must be able to display KMH as well as MPH (or something like that ... @Woolly has posted some info on this a while back)
 
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#70 ·
It varies - on some cars I've done it's gone straight to the outside temp - others have needed the menu options to enable the temp / mileage to be flipped
 
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#72 ·
connected up to car day,menu 4 was in german it began with a "V" can remember what it was,clicked on the drop down arrow and there was nein then this v word,so left that as it was. what is this one sean??

menu 6 wasn't enabled so enabled this
menu 8 wasn't enabled so enabled this also
did a instrument cluster reset.

now I can switch between Kph,Mph,Temp in degrees c and Temp in degrees f
cheers for the help sean it seems to be working now
 
#73 ·
all done!
enable both rear fog lamps--tick
enable cornering foglamps--tick
enable alarm chirp--tick
enable fuel remaining--tick
enable temp in lower mfd.toggle between temp/speed--tick
enable rotational tyre run flat--tick

would have liked to have done flash rear brake lights under panic braking,but not on the menu on my das/xentry.....is this only a option on certain models/countrys ????

BIG BIG thanks to sean and others for the info on doing these codings to make it all possible.
 
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