Mercedes CLA 200 EU6 (1.6T) 156 hp — Stage 1 file (+19 hp)

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Chip tuning for Mercedes CLA 200 EU6 (1.6T) 156 hp ECU

Mercedes CLA (2016 - C117-X117) 200 EU6 (1.6T) 156 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 156 to 175 hp (+19 hp, +12%) and torque from 250 to 310 Nm (+60 Nm). ECU — Bosch MED17.7.2. Flashing method: OBD or Bench depending on the unit's protection. In the CHIPOK database: 2 configurations. The 2016 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

Smart is Mercedes's city sub-brand, historically running Mitsubishi and Renault engines. Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. The Mercedes three-pointed star symbolises dominance on land, at sea and in the air. 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. Maybach uses Mercedes engines for the ultra-luxury segment, with the emphasis on quietness and smoothness.

On Mercedes up to the recent generation, Stage 1 OBD flash is available. Stage 1 on standard mid-range Mercedes petrol engines delivers a noticeable gain. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. 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. 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.

Frequently asked questions

What is the Stage 1 effect on the Mercedes CLA 200 EU6 (1.6T) 156 hp?

After Stage 1 the power of the Mercedes CLA 200 EU6 (1.6T) 156 hp rises from 156 to 175 hp, a gain of 19 hp (+12%). Torque rises from 250 to 310 Nm (+60 Nm).

How does Stage 1 differ from stock on the Mercedes CLA?

Stage 1 on the Mercedes CLA 200 EU6 (1.6T) 156 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 +19 hp with no hardware changes.

Is a Stage 1 remap safe for the 200 EU6 (1.6T) 156 hp?

Stage 1 on the Mercedes CLA 200 EU6 (1.6T) 156 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 CLA 200 EU6 (1.6T) 156 hp?

Stage 2 on the Mercedes CLA 200 EU6 (1.6T) 156 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What control unit does the Mercedes CLA 200 EU6 (1.6T) 156 hp run?

The control unit of the Mercedes CLA 200 EU6 (1.6T) 156 hp is the Bosch MED17.7.2. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Mercedes CLA?

Stage 1 on the Mercedes CLA 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 CLA 200 EU6 (1.6T) 156 hp done?

The full remap cycle for the Mercedes CLA — 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 CLA?

The original Mercedes CLA 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 CLA 200 EU6 (1.6T) 156 hp?

The cost of Stage 1 for the Mercedes CLA 200 EU6 (1.6T) 156 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