Mercedes OBD Unlock: OM656
Exclusive Unlock Service for Mercedes OM656 platform
Flash OM656: 2.9D with MD1CP001 (MRD1) by OBD over BENCH
Unlock is valid for bFlash tools only
Information sheet template
ECUs are sent back in 1-2 business days
UPS delivery & DHL pick up services are available
The long-awaited solution for Mercedes MD1/MG1 2020+ cars is available exclusively for bFlash users.
This engine type requires purchasing an unlock. It will allow you to flash OM656: 2.9D with MD1CP001 (MRD1) by OBD over BENCH with the bFlash tool (from the OBD port or directly from the ECU connector).
Please, carefully read the instructions for the process here.
To keep the delivery process hassle-free & smooth, you will be asked to insert VIN number(s) in your order and mention your invoice reference on the return labels for your parcel. The template is available here.
The process involves 4 steps:
Step 1: Purchase bFlash Unlock Package for your engine type.
Step 2: Send your parcel with ECU to bFlash team at HQ in Belgium.
Step 3: Our team will perform OBD Unlock
Step 4: Program it with bFlash OBD protocol
The full process is explained on
Do you have the ECU only? No problem, our team will supply you with a schematic to program directly from the ECU connector
Read is not possible, you will be supplied with the read file by our team at the time of the unlock
Software and calibration areas can be programmed. EEPROM and bootloader flash are not available