Mercedes C 250 (2.5i) 204 hp — Stage 1 file (+16 hp)
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Stage 1 file for Mercedes C 250 (2.5i) 204 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes C 250 (2.5i) 204 hp ECU
Mercedes C (2007 - W204) 250 (2.5i) 204 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 204 to 220 hp (+16 hp, +8%) and torque from 245 to 269 Nm (+24 Nm). ECU — Bosch ME9.7. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2007 — the era before widespread firmware encryption, OBD flash without complications.
Maybach is Mercedes's ultra-luxury sub-brand. Mercedes-Benz is the world's oldest carmaker, founded in 1926 by the merger of Daimler-Motoren-Gesellschaft and Benz & Cie. The Mercedes slogan is 'Das Beste oder nichts' ('The best or nothing'). On older-generation Mercedes petrol engines, Stage 1 is flashed over OBD without Bench. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships. Mercedes encryption is among the toughest in the industry, especially on modern models.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. The Mercedes community in Europe has a large pool of available Stage files for the standard models. The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. 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
How many horsepower does the Mercedes C 250 (2.5i) 204 hp reach after a remap?
Stage 1 for the Mercedes C 250 (2.5i) 204 hp adds +16 hp — power increases from 204 to 220 hp (+8%). Torque rises from 245 to 269 Nm (+24 Nm).
What does a Stage 1 remap of the Mercedes C 250 (2.5i) 204 hp include?
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 +16 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercedes C 250 (2.5i) 204 hp?
Stage 1 on the powerful Mercedes C 250 (2.5i) 204 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 250 (2.5i) 204 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 ECU is fitted to the Mercedes C 250 (2.5i) 204 hp?
The Mercedes C 250 (2.5i) 204 hp ECU is the Bosch ME9.7. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
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 250 (2.5i) 204 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 250 (2.5i) 204 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 250 (2.5i) 204 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.