Mercedes C 250 CDI (2.1) 204 hp — Stage 1 file (+31 hp)
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Stage 1 file for Mercedes C 250 CDI (2.1) 204 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes C 250 CDI (2.1) 204 hp ECU
Mercedes C (2010 - W204) 250 CDI (2.1) 204 hp — premium diesel 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 235 hp (+31 hp, +15%) and torque from 500 to 550 Nm (+50 Nm). This engine ships with different ECU variants: Delphi CRD2, Delphi CRD3.10, Delphi CRD3.1R, Delphi CRD3.2R, Delphi CRD3.50, Delphi CRD3.59, Delphi CRD3.7A, Bosch DCU17PC01, Bosch DCU17PC41, Siemens/Continental VGSx-NAG2, Delphi CRD3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 22 configurations · 11 ECU variants. A diesel built in 2010 — the Tricore ECU era; OBD flash works on most production revisions.
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'). Mercedes diesels have long been known for legendary reliability, with German taxi fleets running to million-kilometre mileages. Mercedes pioneered CDI (Common-rail Direct Injection) technology on passenger-car diesels, in series production since 1997. Mercedes diesels have long been popular with the German police and taxi services.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On Mercedes up to the recent generation, Stage 1 OBD flash is available. In the Mercedes commercial segment, Stage 1 focuses on torque. 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 CDI (2.1) 204 hp reach after a remap?
Stage 1 for the Mercedes C 250 CDI (2.1) 204 hp adds +31 hp — power increases from 204 to 235 hp (+15%). Torque rises from 500 to 550 Nm (+50 Nm).
What does a Stage 1 remap of the Mercedes C 250 CDI (2.1) 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 +31 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercedes C 250 CDI (2.1) 204 hp?
Stage 1 on the powerful Mercedes C 250 CDI (2.1) 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 CDI (2.1) 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 ECUs are found on the Mercedes C 250 CDI (2.1) 204 hp?
The Mercedes C 250 CDI (2.1) 204 hp was fitted with different ECUs depending on the year and trim: Delphi CRD2, Delphi CRD3.10, Delphi CRD3.1R, Delphi CRD3.2R, Delphi CRD3.50, Delphi CRD3.59, Delphi CRD3.7A, Bosch DCU17PC01, Bosch DCU17PC41, Siemens/Continental VGSx-NAG2, Delphi CRD3. 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 250 CDI (2.1) 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 CDI (2.1) 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 CDI (2.1) 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.