CLK M156 Stage 1 Tune

(1 customer review)


RaceIQ m156 stage 1 tuning software.


Stock Power 507HP / 465TQ (Factory crank numbers, actually numbers at the wheels may vary.)
RaceIQ Tuned 532HP / 500TQ
Gains after Tune 25HP / 35TQ


RaceIQ Performance Tuning Calibrations fitted to Run on a Stock Car. We can also customize your software easily for the mods on the car. Other staged tunes are available upon request.


Tune Only


Direct flash via the (OBDII) Diagnostic port of your vehicle (2 minutes using My Genius).


  • Dyno Tested
  • Instant power gains
  • Better Throttle Response
  • Increased Fuel Economy
  • Top Speed Guvnor removed
  • Custom dyno tuning and remote tuning Available!
  • Optimized timing and fueling maps
  • Flash tune within the comfort of your home

All RaceIQ ECU Calibrations come with a limited lifetime warranty against software defects, including free update reflashes to the original purchaser. Labor and shipping are not included in the warranty and this is also left up to the installations facility used as well.

Additional information

Weight 3 lbs
Dimensions 9 × 6 × 4 in
Flashing Options

My Genius Flasher, Sending In ECU

Stage Options

Stage 1, Stage 2

1 review for CLK M156 Stage 1 Tune

  1. Andrew

    Great tune and fantastic customer service. Race IQ shipped everything required to me in South Korea and answered all emails promptly. I highly recommend them, my CLS63 is going great 🙂

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