Pioneering
Automotive
Programming
We are a team of engineers who regularly set new standards in key and cluster programming for VAG MQB and Mercedes-Benz — often as the first in the world.
Group Best Support
Our Flagship Solutions
Each product is either a world-first breakthrough or a significant advancement over existing technology.
MQB RH850 JCI / Visteon
The only company in the world — R7F701404, R7F701405 & R7F701406 processors. Full read, decode, modify, write-back.
BCM2 Bench True Reading
True bench memory read — full flash & data, no pin lifting, no erase.
- Sync Data Calculation — auto CS/CRC recalculation
- IMMO Editor — CS, VIN, keys, full & IMMO-only cloning
- BCM2 Error Fix — repair error 02811 + ELV OFF
MQB 35xx Immo & Mileage
Secured MCU reading in VAG MQB clusters. VDD & JCI support — edit IMMO data, adjust mileage, LCD retrofit.
Mercedes IC6 / IC177
Read locked Renesas 1403 MCU, calibrate mileage (IC177), EZS sync, ASSYST reset — no emulators.
PCR2.1 Cloning Multitool
OBD interface for reading, writing & cloning Continental PCR2.1 engine controllers — trusted by workshops worldwide.
Mercedes FBS3 Key Programming
Advanced Benz key programming with FBS3 & EIS support — developed in-house, continuously updated.
Group Best Support Available
Why workshops choose Keymaster?
We are regularly the first company in the world to crack new, difficult modules — others follow our lead.
PolDiag devices and licenses are developed entirely in-house — hardware, firmware and software.
New modules, new vehicles, new features — your license grows with our development.
Best support in the industry — direct access to our engineers
Keymaster is not another Chinese box. It's a real tool built by people who understand automotive electronics at an engineering level. The BCM2 True Reading was a game-changer for our workshop.