Mercedes GLC 300e 313 hp — Stage 1 file (+107 hp)

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Chip tuning for Mercedes GLC 300e 313 hp ECU

Mercedes GLC (2023 - X254) 300e 313 hp — premium hybrid 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 313 to 420 hp (+107 hp, +34%) and torque from 550 to 700 Nm (+150 Nm). ECU — Bosch VGS3-NAG3. Flashing method: OBD or Bench depending on the unit's protection.

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'). Smart is Mercedes's city sub-brand, historically running Mitsubishi and Renault engines. 48V MHEV with EQ Boost is a mild hybrid sharing its ECU with the non-MHEV version. On a Mercedes PHEV, the ICE part is tuned just like a pure combustion engine. PHEV variants are available across most Mercedes series, badged with an 'e' in the index.

Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. The Mercedes community in Europe has a large pool of available Stage files for the standard models. On modern Mercedes, the encryption requires specialised Bench tools. 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. On modern high-output Mercedes, Bench reading is often required because of the encryption.

Frequently asked questions

How much horsepower does Stage 1 add for the Mercedes GLC 300e 313 hp?

After Stage 1 the power of the Mercedes GLC 300e 313 hp rises from 313 to 420 hp, a gain of 107 hp (+34%). Torque rises from 550 to 700 Nm (+150 Nm).

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

Stage 1 on the Mercedes GLC 300e 313 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 +107 hp with no hardware changes.

What does Stage 1 give on the powerful Mercedes GLC 300e 313 hp?

The high-output Mercedes GLC 300e 313 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

How does Stage 2 differ from Stage 1 on the Mercedes GLC 300e 313 hp?

Stage 2 on the Mercedes GLC 300e 313 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What control unit does the Mercedes GLC 300e 313 hp run?

The control unit of the Mercedes GLC 300e 313 hp is the Bosch VGS3-NAG3. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Mercedes GLC?

Stage 1 on the Mercedes GLC 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 GLC 300e 313 hp done?

The full remap cycle for the Mercedes GLC — 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 GLC?

The original Mercedes GLC 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 GLC 300e 313 hp?

The cost of Stage 1 for the Mercedes GLC 300e 313 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno