Mercedes C 300 (2.0T) MHEV 258 hp — Stage 1 file (+22 hp)
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Stage 1 file for Mercedes C 300 (2.0T) MHEV 258 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes C 300 (2.0T) MHEV 258 hp ECU
Mercedes C (2018 - W205-FL) 300 (2.0T) MHEV 258 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 258 to 280 hp (+22 hp, +9%) and torque from 370 to 420 Nm (+50 Nm). This engine ships with different ECU variants: Bosch MED17.7.7, Bosch VGS3-NAG3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A 2018 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. Mercedes encryption is among the toughest in the industry, especially on modern models. The factory calibration on Mercedes petrol engines is conservative, leaving headroom for Stage 1. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships.
The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. Stage 1 on Mercedes often requires refreshing the adaptations after the flash. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. On modern high-output Mercedes, Bench reading is often required because of the encryption. The Mercedes premium segment is a high-output platform with Stage 2 potential. High-output Mercedes engines are premium-class with solid headroom for Stage 1.
Frequently asked questions
What power gain do you get after chip tuning the Mercedes C 300 (2.0T) MHEV 258 hp?
Stage 1 chip tuning on the Mercedes C 300 (2.0T) MHEV 258 hp boosts engine output by 22 hp: from 258 to 280 hp. Torque rises from 370 to 420 Nm (+50 Nm).
What changes in the Mercedes C ECU after Stage 1?
Stage 1 chip tuning of the Mercedes C is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +22 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercedes C 300 (2.0T) MHEV 258 hp?
Stage 1 on the powerful Mercedes C 300 (2.0T) MHEV 258 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How much does Stage 2 add on the Mercedes C?
Stage 2 for the Mercedes C 300 (2.0T) MHEV 258 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 C 300 (2.0T) MHEV 258 hp?
The Mercedes C 300 (2.0T) MHEV 258 hp was fitted with different ECUs depending on the year and trim: Bosch MED17.7.7, Bosch VGS3-NAG3. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Mercedes C warranty after chip tuning?
The factory warranty of the Mercedes C 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 C take?
On the Mercedes C 300 (2.0T) MHEV 258 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 C?
Yes, the original ECU firmware of the Mercedes C 300 (2.0T) MHEV 258 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 C?
Stage 1 for the Mercedes C 300 (2.0T) MHEV 258 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.