Weistec M113K ECU Tune



As a leader in tuning and calibration, Weistec Engineering offers tuning packages for M113K, stock Mercedes Kompressor powered vehicles.

We offer calibrations to match the modifications to your vehicle, from otherwise stock, to heavily modified.

Power gains depend on level of modification.  No tuning available for aftermarket injectors

Key Features:

  • Increased Horsepower

  • Increased Torque

  • Eliminate Top Speed Limiter

  • Increased Throttle Response

  • Optimized Fuel and Spark

*Power gains vary based on model, modifications, fuel, and running conditions.



W1 Power Gains

W2 Power Gains