If your Benz W202/W204/W212 steering lock is broken, you can use this Xhorse XDNP40 EVL Soldering-Free Adaptor and VVDI Key Tool Plus to renew, then use Key Tool Plus to reprogram.
Here is the Xhorse XDNP40 ELV Adapter, works to VVDI Key Tool Plus Pad only.
How to use Xhorse ELV Adapter
After connecting with key tool plus, into the menu :
>> IMMO Programming>>Europe>>BENZ>>Select by type>>ESL
Xhorse ELV Reading supported need adapter:
W204, W207,W212,W209,W906(motorala),W906.W639,W169(NEC)
More Xhorse Solder-free Adapter& cable for VVDI KEY TOOL PLUS , you can read here:https://www.xhorsevvdi.com/producttags/key-tool-plus-adapter.html