Mercedes CLA 220d (2.0) 190 hp — Stage 1 file (+25 hp)

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Chip tuning for Mercedes CLA 220d (2.0) 190 hp ECU

Mercedes CLA (2019 - C118) 220d (2.0) 190 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 190 to 215 hp (+25 hp, +13%) and torque from 400 to 480 Nm (+80 Nm). ECU — Bosch MD1CP001. Flashing method: OBD or Bench depending on the unit's protection. A 2019 diesel — a modern platform protected by RSA + checksum encryption; top models require BDM/JTAG.

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. AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. 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. On modern Mercedes diesels, the encryption often requires Bench reading or authorised OBD.

Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. 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 much horsepower does Stage 1 add for the Mercedes CLA 220d (2.0) 190 hp?

Stage 1 for the Mercedes CLA 220d (2.0) 190 hp adds +25 hp — power increases from 190 to 215 hp (+13%). Torque rises from 400 to 480 Nm (+80 Nm).

What does a Stage 1 remap of the Mercedes CLA 220d (2.0) 190 hp include?

Stage 1 is a software optimization of the factory ECU firmware of the Mercedes CLA with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +25 hp with no hardware changes.

What is the risk of Stage 1 on the Mercedes CLA 220d (2.0) 190 hp?

A remap of the Mercedes CLA 220d (2.0) 190 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Mercedes CLA 220d (2.0) 190 hp?

Stage 2 for the Mercedes CLA 220d (2.0) 190 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.

What ECU platform does the Mercedes CLA 220d (2.0) 190 hp use?

The Mercedes CLA 220d (2.0) 190 hp is fitted with the Bosch MD1CP001 ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.

Does the factory warranty of the Mercedes CLA remain valid after Stage 1?

After remapping the Mercedes CLA, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Mercedes CLA?

Reading and writing via OBD takes 25-30 minutes on the Mercedes CLA. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Mercedes CLA?

Before Stage 1 the original of the Mercedes CLA 220d (2.0) 190 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Mercedes CLA 220d (2.0) 190 hp cost?

The remap price for the Mercedes CLA 220d (2.0) 190 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno