Mercedes C 400d (2.9) 330 hp — Stage 1 file (+70 hp)
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Stage 1 file for Mercedes C 400d (2.9) 330 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes C 400d (2.9) 330 hp ECU
Mercedes C (2018 - W205-FL) 400d (2.9) 330 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 330 to 400 hp (+70 hp, +21%) and torque from 700 to 800 Nm (+100 Nm). This engine ships with different ECU variants: Bosch MD1CP001, Bosch VGS3-NAG3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A modern diesel built in 2018 — a generation with encrypted firmware (Tricore TPROT) that often requires a Bench read.
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. High-output Mercedes diesels are premium-class with an emphasis on torque, and Stage 1 is especially felt in Nm. 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, the encryption requires specialised Bench tools. In the Mercedes commercial segment, Stage 1 focuses on torque. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. 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 many horsepower does the Mercedes C 400d (2.9) 330 hp reach after a remap?
After Stage 1 the power of the Mercedes C 400d (2.9) 330 hp rises from 330 to 400 hp, a gain of 70 hp (+21%). Torque rises from 700 to 800 Nm (+100 Nm).
How does Stage 1 differ from stock on the Mercedes C?
Stage 1 on the Mercedes C 400d (2.9) 330 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 +70 hp with no hardware changes.
What does Stage 1 give on the powerful Mercedes C 400d (2.9) 330 hp?
The high-output Mercedes C 400d (2.9) 330 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 C 400d (2.9) 330 hp?
Stage 2 on the Mercedes C 400d (2.9) 330 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
How many ECU variants does the Mercedes C 400d (2.9) 330 hp have?
The Mercedes C 400d (2.9) 330 hp has 2 ECU variants: Bosch MD1CP001, Bosch VGS3-NAG3. 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 400d (2.9) 330 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 400d (2.9) 330 hp?
The cost of Stage 1 for the Mercedes C 400d (2.9) 330 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.