SEAT 1.4 TSI/TFSI S&S Tuning
Supported in 5 SEAT models, 2008+.
SEAT
48 supported 1.4 TSI/TFSI S&S applications
Models With the SEAT 1.4 TSI/TFSI S&S
All Supported SEAT 1.4 TSI/TFSI S&S Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Alhambra | 2015+ | 150 hp | ECU Bosch MED17.5.21 | AutoTuner | |
| Alhambra | 2015+ | 150 hp | ECU Bosch MED17.5.25 | AutoTuner | |
| Alhambra | 2015+ | 150 hp | ECU Bosch MED17.1.61 | AutoTuner | |
| Alhambra | 2015+ | 150 hp | ECU Bosch MED17.1.21 | AutoTuner | |
| Alhambra | 2015+ | 150 hp | TCU Temic DQ200G2 | AutoTuner | |
| Alhambra | 2015+ | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner | |
| Arona | 2017+ | 150 hp | ECU Bosch MED17.5.21 | AutoTuner | |
| Arona | 2017+ | 150 hp | ECU Bosch MED17.5.25 | AutoTuner | |
| Arona | 2017+ | 150 hp | ECU Bosch MED17.1.61 | AutoTuner | |
| Arona | 2017+ | 150 hp | ECU Bosch MED17.1.21 | AutoTuner | |
| Arona | 2017+ | 150 hp | TCU Temic DQ200G2 | AutoTuner | |
| Arona | 2017+ | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner | |
| Ateca | 2016+ | 150 hp | ECU Bosch MED17.5.21 | AutoTuner | |
| Ateca | 2016+ | 150 hp | ECU Bosch MED17.5.25 | AutoTuner | |
| Ateca | 2016+ | 150 hp | ECU Bosch MED17.1.61 | AutoTuner | |
| Ateca | 2016+ | 150 hp | ECU Bosch MED17.1.21 | AutoTuner | |
| Ateca | 2016+ | 150 hp | TCU Temic DQ200G2 | AutoTuner | |
| Ateca | 2016+ | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner | |
| Ibiza | 2008+ | 6J | 140 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Ibiza | 2008+ | 6J | 140 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.1.61 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.1.21 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | TCU Temic DQ200G2 | AutoTuner |
| Ibiza | 2008+ | 6J | 140 hp | TCU Temic DQ200G2 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 125 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | ECU Bosch MED17.1.61 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | ECU Bosch MED17.1.21 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 125 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 125 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2017+ | 5F MK2 | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 125 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | ECU Bosch MED17.1.61 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | ECU Bosch MED17.1.21 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 125 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 125 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 140 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 140 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 140 hp | TCU Temic DQ200G2 | AutoTuner |
About SEAT 1.4 TSI/TFSI S&S tuning
We tune the SEAT 1.4 TSI/TFSI S&S in 48 applications across the Alhambra, Arona, Ateca, Ibiza, Leon, from 2008+, in gasoline form, with stock outputs of 125-150 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch MED17.1.21, Bosch MED17.1.61, Bosch MED17.5.20, Bosch MED17.5.21, Bosch MED17.5.25, Temic DQ200 (MQB), Temic DQ200G2.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.