Mercedes GLA 45 AMG S (2.0T) 421 hp — Stage 1 file (+39 hp)
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Stage 1 file for Mercedes GLA 45 AMG S (2.0T) 421 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes GLA 45 AMG S (2.0T) 421 hp ECU
Mercedes GLA (2020 - H247) 45 AMG S (2.0T) 421 hp — premium petrol engine of the passenger segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 421 to 460 hp (+39 hp, +9%) and torque from 500 to 560 Nm (+60 Nm). This engine ships with different ECU variants: Siemens/Continental CPC_NG, Bosch MG1CP002, Bosch VGS3-FDCT (8G Tronic). The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. A 2020 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.
Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. The Mercedes three-pointed star symbolises dominance on land, at sea and in the air. 4MATIC all-wheel drive is Mercedes' signature system, fitted to most models. Maybach uses Mercedes engines for the ultra-luxury segment, with the emphasis on quietness and smoothness. AMG engines are a well-known base with plenty of headroom for Stage 2. AMG Performance Studio is the factory tuning studio for bespoke work.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On modern Mercedes, the encryption requires specialised Bench tools. AMG engines confidently reach Stage 2 with a downpipe + intake. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models. Top AMG engines sit at the Mercedes power ceiling, and the gain is significant. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler).
Frequently asked questions
What power gain do you get after chip tuning the Mercedes GLA 45 AMG S (2.0T) 421 hp?
Stage 1 for the Mercedes GLA 45 AMG S (2.0T) 421 hp adds +39 hp — power increases from 421 to 460 hp (+9%). Torque rises from 500 to 560 Nm (+60 Nm).
What does a Stage 1 remap of the Mercedes GLA 45 AMG S (2.0T) 421 hp include?
Stage 1 chip tuning of the Mercedes GLA is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +39 hp with no hardware changes.
What is the Stage 1 potential of the Mercedes GLA 45 AMG S (2.0T) 421 hp?
On the top-spec Mercedes GLA 45 AMG S (2.0T) 421 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
How much does Stage 2 add on the Mercedes GLA?
Stage 2 for the Mercedes GLA 45 AMG S (2.0T) 421 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Which ECUs are found on the Mercedes GLA 45 AMG S (2.0T) 421 hp?
The Mercedes GLA 45 AMG S (2.0T) 421 hp was fitted with different ECUs depending on the year and trim: Siemens/Continental CPC_NG, Bosch MG1CP002, Bosch VGS3-FDCT (8G Tronic). The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Mercedes GLA warranty after chip tuning?
The factory warranty of the Mercedes GLA 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 Mercedes GLA take?
On the Mercedes GLA 45 AMG S (2.0T) 421 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 Mercedes GLA?
Yes, the original ECU firmware of the Mercedes GLA 45 AMG S (2.0T) 421 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 Mercedes GLA?
Stage 1 for the Mercedes GLA 45 AMG S (2.0T) 421 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.