MN042 - Battery Unlock/Reset for Mercedes-Benz Vehicles (Mild Hybrid, Plug-in Hybrid and EVs)
Overview
Fast and safe unlocking of Mercedes-Benz batteries in Mild Hybrid, Plug-in hybrid and all-electric models via OBDII.
This license is developed for fast and safe unlocking of Mercedes-Benz batteries in Mild Hybrid, Plug-in hybrid and all-electric models via OBDII. Resetting or unlocking the battery is required in cases of crash or undervoltage of the vehicle.
One-click solution for OBDII or bench unlocking
No need to remove the battery
Safe and quick!
Functionalities:
• Automatic battery identification
• Real-time display of cell voltage levels
• Lock status information and event log
• Unlock button
This solution supports vehicles with body types W222, W213, W167, W205, W257 and more, providing a complete set of functions for identification, diagnostics, and one-click unlocking.
· BMS222MH
· BMS20PT030
· BMS_GEN1MOD
· BMS10EVA1
· BMS10PB01_AMG
· BMS20EVA1A
· BMS30EB01
· BMS30EB02
· BMS40
· BMS40_PB01
· BMS50
· BMS222PI
· BMS242T
· BMS298
· BMS453
· BMS465
In case you prefer working on bench, you can perform the unlocking through a connection to the voltage converter port and the battery. We suggest purchasing the CB013 MSD/MSV Bench Connection Cable Set or making your own cable with the provided diagrams in the User Manual.
• Optional: CB013 MSD/MSV Bench Connection Cable Set (bench work)
The environment you will be working in is high voltage. We strongly urge you to abide to strict health and safety regulations.



