SKP1000 Disable Mercedes S500 2012 key by OBD

Car Diagnostic Tool SKP1000 key programmer will enable/disable majority BMW and Mercedes keys, but not able to program. (Programming requires BMW/Mercedes specific key programmers.)

Vehicle: Mercedes-Benz S500 W221 2012

Intention: The customer has 2 working keys in hand. He want to check if there is other keys, if yes, disable those keys.

Guide:

Connect SKP1000 tablet key programmer with vehicle

Turn ignition switch to ON position

Select Immobilizer function and choose Mercedes-Benz

Select S Chassis (221) disable key

Select year 2009 up

Click on Yes

SKP 9000 will prompt following options

Select first option to identify last used key

SKP-1000 display the 1st working key position is 5

Remove first key and insert second key, turn Ignition ON, perform same operation as above

This time Automotive Key Programmer skp1000 shows the key position is 1

Go back and select second option: identify current key position

SKP-1000 shows the key used and not used

So there are 3 working keys, except key #1 and #5, there is another key in #2 position which should be disabled

Back to select Disable key

Enter key number to be disabled: 2.

Press YES to continue

Disable key success

Go back to function option

Select last option: Identify key activation and disabling

Now you can see Key #2 has been disabled

Done!.