How to Use Autel IM508 & XP400 Pro to Add New Key for Mercedes Benz?

Autel IM508 plus XP400 Pro are incredibly powerful in key programming and adding a new key for your car. So the content below will, from the perspective of vehicle practical test, share every single step specially of using Autel IM508 & XP400 Pro to Generate Mercedes Benz Car Key.


Tap “IMMO” on the Home screen>> “Mercedes Benz>> “Auto VIN Scan”, the IM508 unit will automatically read the VIN code. Wait a few seconds, it will ask you to confirm vehicle profile like below:



The vehicle information has already been read out, click “Yes” to the next interface.

Tap “2008-2014”<< “Control unit”<< “Add key”<< “On bench”<< “W207”

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We’ve already connected well according to the EIS wiring diagram, so click “OK”.

The unit will start establishing vehicle communication…

Tap “Begin” button and put the original key close to XP400 Pro programmer and press any button of the key to continue.

Then, insert the original key into the coil of XP400 Pro programmer. The unit’s screen will prompt the message of “Is this ignition key a smart key”. You have to confirm very carefully, for the non-smart key, Click ‘No”.

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An “IMMO status” chart will be waiting for you to confirm. Click “OK” to continue.

Read ignition key information–Success!


Click “Begin” button and put the original key close to XP400 Pro programmer and press any button of the key.

We will start reading blank key information, follow the instruction on the screen.

See what it tells us to do next? Yes, now, it’s time for us to insert the blank new key into the coil of XP400 Pro programmer. Click “OK” to confirm.

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Communicating with the key. Please wait…

Prompted message: Is there a key password? If no key password, select “No” to calculate the password. Press “OK” to enter PASSWORD CALCULATION process.

Insert the ignition key into the EIS and wait for 5 seconds.

And next you need to pull out the ignition key.

Getting password–Establishing vehicle communication at the moment!!!

Again, insert the ignition key into the EIS and wait for 2 seconds

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After pulling out the ignition key, insert it into the IR keyhole on the XP400 Pro.

Wait for the password calculation, it takes about 10-30 minutes.

Key password has been calculated successfully, click “OK”.

Once again, insert the ignition key into the EIS and wait for 30s.

Password calculation completed!

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Generate key file, please wait…

Insert the blank key into the IR keyhole of the programmer and click OK.

Detecting key file…Writing key file…Add key successfully…

According to the instructions, check if the new added key can be used normally.

Insert the new key into vehicle’s EIS, the dashboard is lighted up as expected.

New key has been programmed successfully.


Here is the Autel IM508 & XP400PRO package purchase link:

Here is the uploaded operation video in our YOUTUBE channel:

Bonus time-additional key information of the products:

After the key-programming test, knowing some basic knowledge aboutAutel IM508 & XP400 Pro is incredibly important.


Original Autel MaxiIM IM508 Advanced IMMO & Key Programming Tool Plus XP400 Pro Key and Chip Programmer. With XP400 Pro, it will add more functionality for BMW, Mercedes-Benz, EEPROM reading for over 2000 (chips, components, devices) types including EEPROM and MCU Read, additional Odometer Read/Write, and more.


It’s the right time to Check the highlights of the two products:


Highlights of Autel MaxiIM IM508:

1. Original Autel Brand. Perfect Replacement of IM100
2. One Year Free Update online On Autel Official Website, after one year, the update fee is 438EUR per year, you can buy the IM508 update service from us
3. Powerful Cortex-A9 processor
4. Android Operating System for fast boot-up and multitasking
5. Function IMMO+ Diagnose: Powerful combination of key programming/all system diagnostics/ advanced maintenance services
6. Vehicle Supported: Powerful OE level diagnostics for more than 80 US, Asian and European makes and models
7. Advanced maintenance services including EPB, DPF, SAS, Oil reset, BMS and TPMS sensor ID relearn
8. Diagnosis menu: Default Language is English, Can Be Changed Language to German, Swidish, Italian, French, Dutch, Polish, Spanish, Korean, Japanese and Russian (Provide your device S/N to change language free, Spanish need to pay langauge fee); Immobilizer menu: English only


Highlights of Autel XP400 Pro:

1. The XP400Pro – Advanced All-in-One Key Programmer
2. One Year Free Update Online on Autel Official Website
3. Could Be Used with Autel IM508 and Autel IM608, Also IM100 and IM600 as well
(Notice: XP400Pro is compatible with IM100 / IM600. The only thing the IM100 and IM600 will not have when used with XP400Pro is the 4 channel Labscope software and AutoAuth)
4. Supports Key Renewal on 11 Key Types with Additional Adapters


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