2015 - 2017 Mercedes_OBD mileage programming user manual

The cheapest solution to Mercedes Benz 2015-2017 mileage programming via OBD: Mercedes_OBD cable (Look at the image below).

Coverage: 
W222: 2015~2017
W205: 2015~2017
C217: 2015~2017
C190: 2015~2017
C253: 2015~2017
X253: 2015~2017
W447: 2015~2017
W213: 2015~2017 (to be upgraded) before 2015, you need to add a can filter.

How to use Mercedes_OBD for 2015-2017 Mercedes Benz mileage programming: 
Open the Mercedes-Benz dashboard adjustment assistant software;
The dashboard adjustment will take 30 to 60 minutes, so the vehicle must be fully charged!
Inside "Information display" , there are instructions for the entire procedure.

Click on "OBD read config information".
If it can work with the car, it will display the message "The process takes about 15-30 minutes, please makes sure the vehicle battery is sufficient!", please turn on the ignition switch first! 

If the dashboard type is not supported, it will prompt: The current dashboard is detected not 2015 - 2017 year, if it is before 2015 year, please add can filter, then click on "4. OBD read odometer value" and then "5. OBD write odometer value". If the dashboard is after 2017 year, Mercedes_OBD software can't support is yet.

Next is to use Mercedes _OBD assistant software for 2016 W205 dashboard adjustment. 
Step 1: OBD read configuration information. 

Configuration data must be saved after successful reading!

Step 2: Edit the MCU data, you need to remove the back cover of the meter, select the meter type, and select the wiring method according to the type. Directly open the wiring diagram. The meter is available with 8 drives and 11 drives, please select the correct one, there are 5 wires in total.

After connecting the wires according to the wiring diagram, perform the operation


After the MCU data is edited successfully, the wiring can be removed.

Step 3: Write the configuration information that is read out in the first step, and you can select the saved data at this time. 

Configuration information is written successfully.

At this time, you can adjust the odometer, you can read the odometer value first, and then write.

Here we have written the odometer value of 12,345
Then read it out is 12345km

Then look at the meter, the odometer value is correct! The steps are complete!

Job is done

Source of New OBD2 Mileage Correction Tool for 2015-2017 Benz:
https://www.obd2shop.co.uk/wholesale/obd2-odometer-correction-for-2015-2017-benz-mileage-correction.html

How to use New OBD2 Mileage Correction Tool to adjust mileage for 2016 Benz W205

This post is mainly to introduce how to use New OBD2 Mileage Correction Tool to adjust mileage for 2016 Benz W205.

It's easy to use it:

Step 1: OBD Read Configuration Information
Configuration data must be saved after successful reading!

Step 2: MCU Data Programming
At this time, you need to remove the back cover of the dashboard, select the type, and select the wiring method according to the type.
You can open the wiring diagram directly, there are 5 wires in total(as the picture). The meter is divided into 8-drive and 11 drive. Please confirm whether the meter is 8-drive or 11-drive.

After connecting the wires according to the wiring diagram, perform the operation.
If the MCU data is edited successfully, the wiring can be removed.

Step 3: OBD Write Configuration Information
The configuration information is the data read in the first step, and you can select the saved data at this time;
Then you can get the prompt that the vehicle configuration information is written successfully

Finally, you can adjust the mileage
Use the <4 OBD Read Mileage> and <5 OBD Write Mileage> options to read and write the kilometers.
For example, we wrote the mileage of 12345; Then read it out is 12345km.

Look at the dashboard again, the kilometers are correct! The steps are complete!

Please kindly Note:
1. <1 OBD Read Config Info> and <2 OBD Write Config Info> communication takes 15-30 minutes, Please make sure the vehicle battery is sufficient!
2. Before operating <2 MCU Data Programming>, Please confirm whether the meter is 8-drive or 11-drive.

When you start step 1, the following prompt may appear:
If Odometer Correction is supported, here are the tips: Make sure the vehicle battery is sufficient.
If Odometer Correction is not supported, here are the tips: For cars before 15 years, you need to add a filter, and then you can operate steps 4 (OBD read kilometers) and steps 5 (OBD write kilometers); cars after 17 years do not support Odometer Correction temporarily. 

http://blog.obd2shop.co.uk/how-to-use-new-obd2-mileage-correction-tool-to-adjust-mileage-for-2016-benz-w205/