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Mercedes-Benz

W.3 Turbo Upgrade, M276
Purchase W.3 Turbo Upgrade, M276
  • SKU: 01-276-01861-2

    W.3 Turbo Upgrade, M276

  • Gains are at the engine or "crank". Actual gains are dependent on the model, model year, fuel octane, engine health, and environmental conditions. Learn More

  • $2,999.99

  • Prop 65 warning
    Warning

    This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Weistec Horsepower 540
Weistec Torque 570
Turbo Type W.3 (Factory Upgrade)
Manufacturer Weistec
Street legal in all the US States No
Engine Family M276
See more
year make model trim engine
2016 Mercedes-Benz C43 AMG Base (W205) Twin Turbo 3L V6 (M276)
2020 Mercedes-Benz GLC43 AMG Base (X253) Twin Turbo 3L V6 (M276)
2019 Mercedes-Benz GLC43 AMG Base (X253) Twin Turbo 3L V6 (M276)
2018 Mercedes-Benz GLC43 AMG Base (X253) Twin Turbo 3L V6 (M276)
2017 Mercedes-Benz GLC43 AMG Base (X253) Twin Turbo 3L V6 (M276)
2020 Mercedes-Benz GLC43 AMG Coupe Coupe (C253) Twin Turbo 3L V6 (M276)
See more

The Weistec M276 W.3 Turbo Upgrade unlocks the true potential of the 3.0L Biturbo engine.  Power gains are substantial, especially in the top end.

The factory turbocharges are disassembled and fully inspected.  The compressor cover and center cartridge are then machined to accept our 5-axis CNC machined impeller wheel.  Externally, no changes are made to maintain a completely stock appearance.  The new impeller wheel supports greater power levels than the factory unit with little to no sacrifice in spool and response.  The turbochargers are then reassembled with new seals and fully balanced for smooth operation and OEM service life.  All the original oil and coolant lines bolt right up making for a simple install.

For maximum results, the combination Weistec supporting modifications are recommended.  A Weistec W.3 Turbo Specific ECU Upgrade is recommended.

*Power gains vary based on model and modifications.

Key Features:


  • Signifigant Horsepower and Torque increases depending on fuel and supporting modifications

  • 5 Axis CNC Machined

  • High RPM Balanced for perfect operation

  • Substantial power throughout the RPM range

  • Stock Appearance when installed

  • 100% Bolt on installation

  • All necessary hardware and gaskets are included

  • Core Exchange Required