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DAS/STAR Registered Owner
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4,018 Posts
Discussion Starter #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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Air Suspension Manager
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631 Posts
I was planning to ask you about how to enable remaining fuel on dash.
This seems to be the perfect place :)
 

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Registered
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225 Posts
My collection of DAS modifications from MHHAUTO.COM

Gas Tank Mod
Netherlands Setting Steps
Speed Limiter
Tire Pressure Loss Warner (2)
Tire Pressure Loss Warner
Tire Pressure Warning (Flat Tire)
 

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Registered
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225 Posts
More... from STAR DAS Tips and Tricks - MBWorld.org Forums

Flash rear brake lights under panic braking:

Control units> Body> rear SAM> Control Unit Adaptations> Flashing Brake> Active

Chirp on lock/unlock (Same as Netherland settings in previous post)

Control Units for multiple items>Body> Control Unit Adaptations> Security/Alarm> National ATA> Select Netherlands

On R172.447 - Control Unit View > Information and communication > IC Instrument Cluster > Adaptations > Configuration/Manual/Settings/Current Menu Settings > Acoustic Lock Feedback - ON
Note - This setting is also available directly in the Intrument Cluster using the steering wheel controls, no DAS/Xentry needed



Fan-on temp lower

Control Units> Drive> Engine> Control Unit Adaptations> Correction Programming> Suction Fan> Temp increase to max of 10 degrees C.

and

FUEL OCTANE SETTING STAR DAS Tips and Tricks - MBWorld.org Forums

Heres one that MAY have a positive performance impact, or may not.


Control Units > Drive > Motor Electronics > F3 ( to clear the nag warning ) > Control unit adaptations > Correction Programming > Ignition


You get 4 choice of minimum octane rating ( probably get more if you can get Variant Coding to change from USA to Rest Of World or Euro )
Baseline ( 87?)
89
91
93


I suspect setting a higher octane rating will allow a bit more initial ignition advance.

FUEL REMAINING STAR DAS Tips and Tricks - MBWorld.org Forums (Same as Gas Tank Mod in previous post)

In STAR go to MAIN GROUPS page
select "control Units"
then "Information and Communication"
then "ICM- Instrument cluster with maint interval display"
then "Control Unit Adaptations"
then "Variant Coding"
then "Codings specific for the instrument cluster"
look for " Trip computer fuel tank level display"
Select that. set to ACTIVE
F3
F5
F3
 

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Registered
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125 Posts
My collection of DAS modifications from MHHAUTO.COM

Gas Tank Mod
Netherlands Setting Steps
Speed Limiter
Tire Pressure Loss Warner (2)
Tire Pressure Loss Warner
Tire Pressure Warning (Flat Tire)
Does the speed limiter really works?
Was does the Netherlands setting give?

Thanks.
 

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DAS/STAR Registered Owner
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4,018 Posts
Discussion Starter #12
The first couple of DAS tweaks have been added to the 'sticky' at the top of the page..
 

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Registered
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804 Posts
Reset 7G-Tronic shift adaptations (for real!)

Unlike the pressing the accelerator and turning the ignition switch (which is an ECU trick), this will actually reset the transmission's learned shift behaviour:

Reset 722 Transmission Adaptations - MBWorld.org Forums

Control Units -> Drive -> Transmission -> Adaptation -> Display and reset of adaptation data -> Resetting of adaptation data

Cheers,
Brian
 

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DAS/STAR Registered Owner
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4,018 Posts
Discussion Starter #15
Update ...

Added the following tweaks

Temperature display in the lower MFD
Gallons remaining int he upper MFD
Enabling the phone buttons on the steering wheel
Windscreen (Windshield) codes added for the rain & light and light only sensors
 

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Registered
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804 Posts
It's probably very simple, but could someone please add the coding procedure required to 'reset' the airconditioner after maintenance?

Cheers,
Brian
 

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DAS/STAR Registered Owner
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4,018 Posts
Discussion Starter #17
It's probably very simple, but could someone please add the coding procedure required to 'reset' the airconditioner after maintenance?

Cheers,
Brian
All thats needed is for the stored codes to be cleared ... I'll write it up if you want it ...
 

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Registered
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804 Posts
All thats needed is for the stored codes to be cleared ... I'll write it up if you want it ...
I'm a little confused: I thought I read on here somewhere that it's not enough to just clear the codes and that's why STAR is required to reset the aircon rather than just a generic code reader/clearer device.

Cheers,
Brian
 

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Registered
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2,203 Posts
I'm a little confused: I thought I read on here somewhere that it's not enough to just clear the codes and that's why STAR is required to reset the aircon rather than just a generic code reader/clearer device.

Cheers,
Brian
Generic code readers can only see a couple of the control modules - primarily the engine ECU. It takes Star to see all of the modules such as the HVAC controller.
 

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DAS/STAR Registered Owner
Joined
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4,018 Posts
Discussion Starter #20
Generic code readers can only see a couple of the control modules - primarily the engine ECU. It takes Star to see all of the modules such as the HVAC controller.
Thats how I understand it - I'll confirm when next hooked up, but from memory it's stored codes that need clearing to bring the AC system back online ...
 
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