PRECISION MARINE PERFORMANCEMercury Racing 450R / 500R specialists
XR Excell Racing — silver X and racing blue R
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MERCURY RACING 450R / 500R

MoTeC MCM112 for Mercury Racing 450R / 500R.

Uncompromising marine performance.

MoTeC MCM112 engine management, professional calibration and performance upgrades for Mercury Racing 450R and 500R outboards.

Configure your package Explore upgrades
EXCELL RACING / ENGINE MANAGEMENT01 — MCM112
Excell Racing MoTeC MCM112 ECU showcase with GPS-L10, wiring and mounting accessories
YOUR NEXT LEVEL OF CONTROLMoTeC MCM112
450R / 500RMERCURY RACING COMPATIBILITY
01—06SINGLE & MULTI-ENGINE PACKAGES
LEVEL 3LOGGING WITH EVERY ECU
ONE LAPTOPINCLUDED PER STANDARD ORDER
THE RIGHT EQUIPMENT. THE RIGHT SETUP.

Performance starts here.

Explore the equipment
Mercury outboard fitted with Kong Performance intake componentsTHE HARDWARE IS ONLY PART OF THE EQUATION.
CUSTOM ECU CALIBRATION

More insight.
More control.
Better decisions.

Every boat has a different job. We work from your engine configuration, fuel and operating data to develop a calibration approach for your application.

  • Fuel & ignition calibration
  • Data log analysis & knock-control review
  • Multi-engine setup & integration
Explore calibration services Request custom calibration ↗
ONE BOAT. ONE COORDINATED SETUP.

From single engine
to a full transom.

Configure one through six ECU packages with a clear component breakdown. Each engine gets its own ECU and Level 3 Logging license. Only the first kit includes a GPS-L10 and one Acer - Aspire Go 15 Laptop.

Discover multi-engine solutions ↗
ECU01
ECU02
ECU03
ECU04
ECU05
ECU06

6 ECUs + 1 GPS-L10 + 6 LEVEL 3 LICENSES

01 SHARED DIAGNOSTIC LAPTOP
Blue Excell Racing offshore boat with four Mercury Racing outboards in clear coastal water
EXCELL RACING MARINE

Built around
your time on the water.

Let’s talk about your setup ↗

Excell Racing Marine brings the engineering behind our McLaren MoTeC programs to the water. We build MoTeC MCM112 ECU packages for Mercury Racing 450R and 500R outboards, with custom calibrations matched to Kong Performance upgrades. Every package is tested, dyno-proven, and supported by the team at Excell Racing in Boca Raton, Florida.