THE DETAILS / KAY TUNING
EVERYTHING ABOUT YOUR TUNE.
M276 ECU & TCU Tuning
Tune your compatible Mercedes-Benz or Mercedes-AMG equipped with the M276 engine from your phone using the KAY app and included tuning dongle.
What's included
- Stage 1 and Stage 2 ECU calibration options where supported
- TCU tuning where supported
- KAY Ultra features: map switching, flex fuel and anti-lag where supported
- KAY tuning dongle included
- Phone-based flashing via compatible iOS/Android device
- Ability to flash compatible custom tunes supplied by an independent tuner
- Supported data logging, diagnostics and flash-to-stock functions
Compatibility
M276 includes turbocharged and naturally aspirated variants with different ECUs and calibrations. Exact engine version and supported ECU/TCU must be confirmed.
ECU and TCU tuning availability and individual features depend on the vehicle and control units.
Required supporting modifications, software permissions and hardware vary by calibration. Confirm your exact vehicle's support before purchase.
EVERYTHING YOU NEED. NOTHING YOU DON'T.
Tune your AMG from your phone. No shop visits, no expensive equipment. A complete tuning platform built around your car.
ECU + TCU
Stage 1 and Stage 2 ECU calibrations and TCU tuning.
KAY ULTRA
Map switching, flex fuel and anti-lag where supported. Included as standard.
KAY TUNING DONGLE
Compatible dongle included. Connect through the OBD port and tune from your phone.
TUNE FROM YOUR PHONE.
Purchase your KAY license, download the KAY app, connect to your AMG and flash your supported calibration from home.
MORE INCLUDED.
- Stage 1 + Stage 2 ECU calibrations
- TCU tuning
- Supported fuel maps
- Data logging and diagnostics
- Flash-to-stock support
- Optional CPC upgrade sold separately
Features and flashing compatibility vary by model, model year, ECU/TCU software, and supporting hardware. Verify vehicle compatibility before purchase. Stage 2 requires appropriate modifications.