Your Vehicle
Seat Arona 1.0 TSI 115hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Seat Arona 1.0 TSI 115hp: da 115 a 135HP
Remapping Seat Arona
MasterTuning develops remapping for Seat. La Seat Arona 1.0 TSI 115hp può passare da 115 HP a 135 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Seat Arona 1.0 TSI 115hp
The Seat Arona 1.0 TSI 115hp is equipped with a petrol engine that produces 115 HP and 200 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Seat can achieve 135 HP (+17%) and 240 Nm (+20%).
Our Stage 1 tuning for the Arona 2017 - 2020 delivers an impressive gain of +20 HP and +40 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CHZJ identifies this specific powerplant configuration. The Bosch MED17.5.21 / Bosch MED17.1.27 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The Arona's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Seat Arona 1.0 TSI 115hp
Factory technical data for the Seat Arona 1.0 TSI 115hp (2017 - 2020), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | CHZJ |
|---|---|
| ECU / Control unit | Bosch MED17.5.21 / Bosch MED17.1.27 |
| Fuel | Petrol |
| Compression ratio | 10.5 |
| Bore × stroke | 74.5 X 76.4 mm |
| Stock power | 115 HP · 200 Nm |
| Remapped power (Stage 1) | 135 HP (+20) · 240 Nm (+40) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Seat Arona.
Frequently Asked Questions - Seat Arona
How much power can I gain from remapping my Seat Arona?
With MasterTuning Stage 1, your Seat Arona 1.0 TSI 115hp can gain +20 HP (from 115 to 135 HP) and +40 Nm of torque. This represents a 17% increase in power.
Which ECU does the Seat Arona 1.0 TSI 115hp use?
The Seat Arona 1.0 TSI 115hp uses the Bosch MED17.5.21 / Bosch MED17.1.27 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Seat Arona 1.0 TSI 115hp?
The engine code of the Seat Arona 1.0 TSI 115hp is CHZJ. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Seat Arona engine?
Yes, MasterTuning's remapping for the Seat Arona 1.0 TSI 115hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the CHZJ engine.
Is the Seat ECU remapping reversible?
Absolutely. The original factory calibration of your Seat Arona is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Seat warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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