m139 engine

TunedMercedes M133 Tune

$950.00

The TunedMercedes M133 tune is a unique expression of the hand built twin scroll M139 engine unleashing tons of torque, engine duty, maximum torque, and much, revs, and top speed.  All of this results in a car that feels unleashed from its tuning to an even more aggressive twin turbo v8.

  • Remove speed limiter
  • Raise rev limiter during shifts
  • Raise rev limiter
  • Raise maximum torque
  • Raise target torque
  • Strategic optimization of spark tables
  • Lambda based fuel tuning
  • Increase air flow limits for use with air intakes
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Description

Expected Output

The M139 easily tunes to 420 HP and 400 TQ (500 nm) in a stage one tune calibration and 462 HP with 442 TQ on a stage 2 car with mods such as air intakes, another 40 HP with 400 cell metallic cats, and an additional 20-50 HP with ethanol blend fuel mix.

The Process

As soon as an order is placed we confirm all your details through direct communication.  Most of the time we will send you a few items in a TunedMercedes mailer.  These will connect your car to your windows laptop as long as this laptop isn’t locked in some corporate or school mode.  This process has 3 parts.

Step 1 Reading the ECU

TunedMercedes technician will remote desktop into your windows laptop while connected to the car.  They will read your current software configuration and confirm we have access to the file on the servers to perform a “virtual read”.

Step 2 Calibration

Our technicians will calibrate your file matching your modifications to your car’s exact software.  The calibrations take place in this model will take part in a special part of the ECU that is designed to be modified or calibrated.

We are telling the ECU that we expect more air and we want more power in these areas.  For example raising the top speed isn’t done by tricking the car into thinking it is going slower (this is what a piggy back tuner does in an extremely simplified example) it actually tells the computer in the programmed area to go to 200 mph or whatever is suitable for your current tire rating.

Step 3 Writing

At this point we will have our technician log back in during a scheduled session where the laptop and car are connected with supplied gear that we shipped quickly to you. In this session we will write the calibrated file back to your ECU.

In certain rare cases we may ask you to send your ECU or come in for a bench flash if there is no matching software found.

Alternative Bench Flash Method

Step 1

Remove the ECU, take pictures of it, send it to us packaged and we will read it on the bench, then calibrate it, then write the software on the bench.

Step 2

Reinstall the ECU

What to Expect

Expect faster throttle response and tuned mercedes experience while retaining stock-ish feel.  The end result is a car that feels like it was factory tuned for 620hp.

The car will likely be louder on downshifts and smoother on deceleration and the fans will be louder.  The car should pull very smoothly and provide an excellent experience rolling performance and 60-130 times that will rival most cars on the road.

The TCU Can Request TQ Reduction

The TCU can request decrease in torque and will hold the car back unless also tuned. TCU tune greatly improves time off of the line.

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