Mercedes A 180 CDI (1.8) 109 hp — Stage 1 file (+56 hp)

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Chip tuning for Mercedes A 180 CDI (1.8) 109 hp ECU

Mercedes A (2012 - W176) 180 CDI (1.8) 109 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 109 to 165 hp (+56 hp, +51%) and torque from 250 to 370 Nm (+120 Nm). This engine ships with different ECU variants: Delphi CRD3.40, Delphi CRD3.F1, Bosch VGS2-FDCT gen1, Delphi CRD3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 4 configurations · 4 ECU variants. The 2012 generation — mid-generation diesels on the EDC17 platform with OBD reading support and no need for Bench.

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. The Mercedes-Benz Group AG (Daimler AG until 2022) comprises Mercedes-Benz, AMG, Maybach, Smart and the EQ line. Mid-range Mercedes diesels are a mainstream chip tuning subject in both the commercial and passenger-car segments. The factory calibration on Mercedes diesels is conservative, leaving headroom for Stage 1 while preserving engine life. DPF/SCR with AdBlue is standard on all Euro-6 Mercedes diesels.

The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. 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. Mercedes prioritises smooth running, and Stage 1 preserves the engine's character.

Frequently asked questions

How many horsepower does the Mercedes A 180 CDI (1.8) 109 hp reach after a remap?

The Stage 1 gain for the Mercedes A 180 CDI (1.8) 109 hp is 56 hp (+51%) over the stock 109 hp, for a total of 165 hp. Torque rises from 250 to 370 Nm (+120 Nm).

What is Stage 1 chip tuning for the Mercedes A?

Stage 1 chip tuning of the Mercedes A is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +56 hp with no hardware changes.

Can you do Stage 1 on the Mercedes A 180 CDI (1.8) 109 hp?

Yes, Stage 1 for the Mercedes A 180 CDI (1.8) 109 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.

How much does Stage 2 add on the Mercedes A?

Stage 2 on the Mercedes A 180 CDI (1.8) 109 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECUs are found on the Mercedes A 180 CDI (1.8) 109 hp?

The Mercedes A 180 CDI (1.8) 109 hp was fitted with different ECUs depending on the year and trim: Delphi CRD3.40, Delphi CRD3.F1, Bosch VGS2-FDCT gen1, Delphi CRD3. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Mercedes A warranty after chip tuning?

The factory warranty of the Mercedes A 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 A take?

On the Mercedes A 180 CDI (1.8) 109 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 A?

Yes, the original ECU firmware of the Mercedes A 180 CDI (1.8) 109 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 A?

Stage 1 for the Mercedes A 180 CDI (1.8) 109 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.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno