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Your Vehicle 1958 Mercedes Benz 190SL Base L4 1.9L
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Unitronic Performance Software - Flashed @ ECS

Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Unitronic
Unitronic
ES#:
4464720
Mfg#:
4.0-TFSI-C7
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Unitronic Performance Software - Flashed @ ECS

Starting at: $750.00
SALE: 750.00
Starting at: $750.00
WAS: $900.00 on 06-22-2026

This product was last offered at the strikethrough price on
06-22-2026


Sale Save 17%
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Unitronic Performance Software - Stage 1 - With DSG Software
Gain up to 104 horsepower and 128 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
4464714 4.0-TFSI-1-D
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 10% $1450.00

This product was last offered at the strikethrough price on
06-22-2026

1300.00
Unitronic Performance Software - Stage 1+
Gain up to 109 horsepower and 151 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
4464710 4.0-TFSI-1+
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 15% $1000.00

This product was last offered at the strikethrough price on
06-22-2026

850.00
Unitronic Performance Software - Stage 1+ - With DSG Software
Gain up to 109 horsepower and 151 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
4464715 4.0-TFSI-1+-D
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 10% $1550.00

This product was last offered at the strikethrough price on
06-22-2026

1400.00
Unitronic Performance Software - Stage 2
Gain up to 118 horsepower and 179 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Requires upgraded Downpipes
4464711 4.0-TFSI-2
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 14% $1100.00

This product was last offered at the strikethrough price on
06-22-2026

950.00
Unitronic Performance Software - Stage 2 - With DSG Software
Gain up to 118 horsepower and 179 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Requires upgraded Downpipes
4464716 4.0-TFSI-2-D
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 8% $1800.00

This product was last offered at the strikethrough price on
06-22-2026

1650.00
Unitronic Performance Software - Stage 2+
Gain up to 245 horsepower and 228 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Requires upgraded RS7 Turbos and Supporting mods. Please see description for details.
4464712 4.0-TFSI-2+
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 9% $1600.00

This product was last offered at the strikethrough price on
06-22-2026

1450.00
Unitronic Performance Software - Stage 2+ - With DSG Software
Gain up to 245 horsepower and 228 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Requires upgraded RS7 Turbos and Supporting mods. Please see description for details.
4464717 4.0-TFSI-2+-D
Availability:
In Stock
Est. Ship Date:
in 3 Business Days
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 7% $2300.00

This product was last offered at the strikethrough price on
06-22-2026

2150.00

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Product Details

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Features:

  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel

Stage 1+ Adds:

  • Ignition Timing Precisely Calibrated for Higher Octane Fuel

Stage 2 Adds:

  • PatchesDTC/Code for no exhaust flaps

Stage 2+ Adds:

  • Optimized for RS7 Turbo Upgrade 

Stage 2 Requires:

  • Upgraded Dowpipes

Stage 2+ Requires:

  • Upgraded Dowpipes
  • OEM RS7 Turbochargers
  • Upgraded Heat Exchanger
  • Upgraded Intake System

DSG Software Features:

  • Engineered with Strict Industry Standards: With over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools, and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.
     
  • Extensively Tested Under Various Driving Conditions: Development begins using its in-house engine dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Additional validation and results comparison are completed using its in-house Maha Chassis dyno as a second step of product development. Beta calibrations are then tested in race and street scenarios, using multiple cars throughout the world under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.
     
  • Optimized TCU Performance Software Stages: Unitronic's Stage 1 TCU Performance Software shift points are optimized to give you the best performance possible out of your OEM software or your Unitronic Stage 1 ECU Performance Software.

    Unitronic's Stage 2 TCU Performance Software shifts points are optimized for your Unitronic Stage 1+ and up ECU Performance Software.
     
  • Optimized Responsiveness and Drivability: Cruising upshifts set point are improved for maximum responsiveness when you require power quickly.
     
  • Optimized "D" Mode for a Comfortable Driving Experience: Smoother and predictable shifting to ensure a pleasant ride for your daily commute.
     
  • Optimized "S" Mode for Maximum Acceleration: Sport mode features lightning quick gear changing and precisely calibrated shifting points to achieve the fastest acceleration possible when combined with your Unitronic ECU Performance Software.
     
  • Optimized "M" Mode for Maximum Acceleration and Kickdowns Removed: Fastest shift possible; up to 3 times faster compared to OEM calibration.
     
  • Improved Launch Control: Optimized set points to maximize accelerations and improve 60ft time.
     
  • Rev Limiter Increased: See the rev limiter increase table for details.
     
  • Increase Clutch Pressure for Higher Torque Output: Increased clutch pressure to maximized friction force. This results in higher torque capacity without clutch slipping.
     
  • Increased Torque Limiter: Ensure TCU does not intervene during acceleration thus reducing engine power output.
     
  • Factory Launch Control Limit Removed: Unitronic’s TCU Performance Software removes the OEM launch control limit, originally set to 200, giving you the possibility to perform as many launches as you desire.

*This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.

*Exact power figures may vary between models and years.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
Audi C7 S6 Quattro 4.0T Use vehicle selector to confirm fitment
Audi C7 S7 Quattro 4.0T Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.
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