Mercedes C 180 CDI S&S (2.1) 120 hp — Stage 1 file (+80 hp)

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Chip tuning for Mercedes C 180 CDI S&S (2.1) 120 hp ECU

Mercedes C (2010 - W204) 180 CDI S&S (2.1) 120 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 120 to 200 hp (+80 hp, +67%) and torque from 310 to 450 Nm (+140 Nm). This engine ships with different ECU variants: Delphi CRD3.10, Siemens/Continental VGSx-NAG2, Delphi CRD3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 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.

On Mercedes up to the recent generation, Stage 1 OBD flash is available. Mercedes prioritises smooth running, and Stage 1 preserves the engine's character. The Mercedes factory calibration allows a confident move to Stage 1 without hardware changes. The Mercedes community is active in Europe, with a large pool of available Stage files. Mid-range Mercedes engines are a premium segment with a conservative factory calibration, and Stage 1 preserves engine life.

Frequently asked questions

How many horsepower does the Mercedes C 180 CDI S&S (2.1) 120 hp reach after a remap?

Stage 1 for the Mercedes C 180 CDI S&S (2.1) 120 hp adds +80 hp — power increases from 120 to 200 hp (+67%). Torque rises from 310 to 450 Nm (+140 Nm).

What does a Stage 1 remap of the Mercedes C 180 CDI S&S (2.1) 120 hp include?

Stage 1 on the Mercedes C 180 CDI S&S (2.1) 120 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +80 hp with no hardware changes.

Is a Stage 1 remap safe for the 180 CDI S&S (2.1) 120 hp?

Stage 1 on the Mercedes C 180 CDI S&S (2.1) 120 hp is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.

How does Stage 2 differ from Stage 1 on the Mercedes C 180 CDI S&S (2.1) 120 hp?

Stage 2 for the Mercedes C 180 CDI S&S (2.1) 120 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.

How many ECU variants does the Mercedes C 180 CDI S&S (2.1) 120 hp have?

The Mercedes C 180 CDI S&S (2.1) 120 hp has 3 ECU variants: Delphi CRD3.10, Siemens/Continental VGSx-NAG2, Delphi CRD3. Before flashing you need to read the specific unit — calibration is done for the exact hardware/software.

Does Stage 1 void the warranty on the Mercedes C?

Stage 1 on the Mercedes C voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Mercedes C 180 CDI S&S (2.1) 120 hp done?

The full remap cycle for the Mercedes C — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Mercedes C?

The original Mercedes C ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Mercedes C 180 CDI S&S (2.1) 120 hp?

The cost of Stage 1 for the Mercedes C 180 CDI S&S (2.1) 120 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno