Seat Leon 1.4 TSI CNG 110 hp — Stage 1 file (+25 hp)
hp
Stage 1 file for Seat Leon 1.4 TSI CNG 110 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Seat Leon 1.4 TSI CNG 110 hp ECU
Seat Leon (2013 - 5F MK1) 1.4 TSI CNG 110 hp — mass-market petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Испания, 1950). Stage 1 chip tuning raises power from 110 to 135 hp (+25 hp, +23%) and torque from 200 to 240 Nm (+40 Nm). ECU — Bosch MED17.5.21. Flashing method: OBD or Bench depending on the unit's protection. The Temic DQ200G2 TCU is calibrated with a separate file — torque limiter and shift maps for Stage 1. In the CHIPOK database: 2 configurations · 2 ECU variants. The 2013 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.
Seat has historically shared platforms and engines with Volkswagen and Skoda. The MQB platform allows ECU commonality with Volkswagen, Audi and Skoda. The factory calibration of Seat petrol engines is conservative, leaving headroom for Stage 1. Mid-range Seat turbo petrol engines are a high-volume Stage 1 subject.
Within the VAG group, ECUs are standardised, so Seat files often work on VW/Audi/Skoda. On pre-2017 Seat models, Stage 1 is done via OBD without bench. The Seat community benefits from a large pool of Stage files drawn from the shared VAG catalogue. The MQB platform is the most refined chip tuning segment in Europe. The Seat community in Southern Europe offers a large pool of ready-made Stage files. Mid-range Seat engines form the backbone of the range; Stage 1 preserves engine life.
DSG comes in dry- and wet-clutch versions. The DSG is VAG's signature dual-clutch gearbox, fitted to Seat. The DSG's TCU needs recalibration at Stage 1+.
Frequently asked questions
What power gain do you get after chip tuning the Seat Leon 1.4 TSI CNG 110 hp?
The Stage 1 gain for the Seat Leon 1.4 TSI CNG 110 hp is 25 hp (+23%) over the stock 110 hp, for a total of 135 hp. Torque rises from 200 to 240 Nm (+40 Nm).
What is Stage 1 chip tuning for the Seat Leon?
Stage 1 chip tuning of the Seat Leon is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +25 hp with no hardware changes.
Can you do Stage 1 on the Seat Leon 1.4 TSI CNG 110 hp?
Yes, Stage 1 for the Seat Leon 1.4 TSI CNG 110 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.
How much does Stage 2 add on the Seat Leon?
Stage 2 on the Seat Leon 1.4 TSI CNG 110 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECU is fitted to the Seat Leon 1.4 TSI CNG 110 hp?
The Seat Leon 1.4 TSI CNG 110 hp ECU is the Bosch MED17.5.21. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
Is the Temic DQ200G2 TCU calibrated together with Stage 1?
Yes, on the Seat Leon 1.4 TSI CNG 110 hp the Temic DQ200G2 TCU is calibrated with a separate file. The torque limit, shift maps, launch control rpm and clutch torque map are changed. The factory torque limiter in the TCU is usually below what the engine can deliver after Stage 1.
What happens to the Seat Leon warranty after chip tuning?
The factory warranty of the Seat Leon does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Seat Leon take?
On the Seat Leon 1.4 TSI CNG 110 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Seat Leon?
Yes, the original ECU firmware of the Seat Leon 1.4 TSI CNG 110 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Seat Leon?
Stage 1 for the Seat Leon 1.4 TSI CNG 110 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.