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Weistec M156 ECU Tune W.1 Mercedes-Benz W209 CLK63 AMG 07-10



Model #01-000-00169-7

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

As a leader in tuning and calibration, Weistec Engineering is proud to release tuning packages for the naturally aspirated M156/M159 vehicle lineup. Weistec's ability to successfully innovate and create the world's first 50 state legal supercharger system for the 6.3L AMG has allowed them to further identify and understand the complex factory modules.

They have created a strong yet reliable tuning solution that utilizes the same calibration technology that has been applied to their Supercharger System. With a keen understanding for optimal running conditions for the M156, Weistec have revised many features of the ECU which creates an astounding 441 horsepower to the wheels on 91 octane.


  • Increased Horsepower and Torque
  • Eliminate top speed limiter
  • Increased throttle response
  • Optimized fuel and spark
  • Credit towards M156 Supercharger Systems
  • Weistec Horsepower: 520 (Stock - 451)
  • Weistec Torque: 464 (Stock - 443)
  • Mercedes-Benz W209 CLK63 AMG 07-10

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Vehicle Engine Notes
Mercedes-Benz CLK63 AMG

Weistec Limited Warranty

1. Warranty on Weistec Turbocharger Systems, Supercharger Systems, Exhaust Systems and Engine Accessories

12 month Weistec Limited Warranty. Valid 12 months from sales date with valid registration.The following exclusions apply to all Weistec Limited Warranties.

Weistec's limited warranties do not cover any of the following damages or items:
  • Damages to and/or failure of any non-Weistec component or equipment on a vehicle including, but not limited to, the engine, electrical system, transmission and differentials.
  • Damage caused by "Acts of God", normal wear and tear, or damage to a vehicle or engine caused by, tuning by others, collision and/or engine failure.
  • Any costs incurred for towing or downtime of the vehicle.
  • Any rental vehicle costs
  • Any labor costs to diagnose problems or to remove or replace the Weistec products; or any damage caused by the use of another company's product.
  • Any shipping costs.

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