JAGUAR · MB279700 ECU

JAGUAR XKR MB279700 tuning files

Tuning file coverage for the JAGUAR XKR running the MB279700 ECU. The matched variants sit between 416 and 416 HP from the factory. There are 10 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.

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Available solutions

Solutions that apply to the MB279700 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

10 distinct variants for the JAGUAR XKR on the MB279700 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4200 416HP
Engine code: AJ34S
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-BAB
ECU HW: 7W8314C568BA
SW upgrade: W83-14C576-BAB
Calibration: 7W83-14C576-BAB

Variant 2

ECU

Catalog engine: 4200 416HP
Engine code: AJ34S
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-BBA
ECU HW: 7W8314C568BA
SW upgrade: W83-14C576-BBA
Calibration: 7W83-14C576-BBA

Variant 3

ECU

Catalog engine: 4200 416HP
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-BBB
ECU HW: 7W8314C568BA
SW upgrade: W83-14C576-BBB

Variant 4

ECU

Catalog engine: 4200 416HP
Engine code: AJ34S
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C570-BAD
ECU HW: 7W8314C568BA
SW upgrade: W83-14C570-BAD
Calibration: 7W83-14C570-BAD

Variant 5

ECU

Catalog engine: 4200 416HP
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-ABH
ECU HW: 6W8314C568AA
SW upgrade: W83-14C576-ABH
Calibration: W83-14C576-ABH

Variant 6

ECU

Catalog engine: 4200 416HP
Engine code: AJ34S
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-ABJ
ECU HW: 6W8314C568AA
SW upgrade: W83-14C576-ABJ
Calibration: 6W83-14C576-ABJ

Variant 7

ECU

Catalog engine: 4200 416HP
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-BBD
ECU HW: 7W8314C568BA
SW upgrade: W83-14C576-BBD

Variant 8

ECU

Catalog engine: 4200 416HP
Engine code: AJ34S
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-BBC
ECU HW: 7W8314C568BA
SW upgrade: W83-14C576-BBC
Calibration: 7W83-14C576-BBC

Variant 9

ECU

Catalog engine: 4200 416HP
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C570-BAB
ECU HW: 7W8314C568BA
SW upgrade: W83-14C570-BAB

Variant 10

ECU

Catalog engine: 4200 416HP
Generation: All
Matched gains engine: 4.2 V8 Supercharged 416
Controller brand: DENSO
ECU: MB279700
Stock power: 416 HP
Stage 1 power: 470 HP
Power increase: +54 HP (+13%)
Stock torque: 560 Nm
Stage 1 torque: 650 Nm
Torque increase: +90 Nm (+16%)
ECU SW: W83-14C576-AAH
ECU HW: 6W8314C568AA
SW upgrade: W83-14C576-AAH
Calibration: W83-14C576-AAH

Related vehicles

Other vehicles built on the MB279700 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the JAGUAR XKR on the MB279700?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the MB279700 ECU software on this model?

Yes — the JAGUAR XKR on the MB279700 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.