Mercedes SLC 250 BlueTEC (2.1) 204 hp — Stage 1 file (+21 hp)
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Stage 1 file for Mercedes SLC 250 BlueTEC (2.1) 204 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes SLC 250 BlueTEC (2.1) 204 hp ECU
Mercedes SLC (2016) 250 BlueTEC (2.1) 204 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 204 to 225 hp (+21 hp, +10%) and torque from 500 to 550 Nm (+50 Nm). This engine ships with different ECU variants: Delphi CRD3.7A, Delphi CRD3.F1, Delphi CRD3P.D1, Bosch DCU17PC41, Siemens/Continental VGS4-NAG2, Delphi CRD3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 6 configurations · 6 ECU variants. The 2016 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. 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 Mercedes up to the recent generation, Stage 1 OBD flash is available. 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 SLC 250 BlueTEC (2.1) 204 hp reach after a remap?
The Stage 1 gain for the Mercedes SLC 250 BlueTEC (2.1) 204 hp is 21 hp (+10%) over the stock 204 hp, for a total of 225 hp. Torque rises from 500 to 550 Nm (+50 Nm).
What is Stage 1 chip tuning for the Mercedes SLC?
Stage 1 on the Mercedes SLC 250 BlueTEC (2.1) 204 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 +21 hp with no hardware changes.
What does Stage 1 give on the powerful Mercedes SLC 250 BlueTEC (2.1) 204 hp?
The high-output Mercedes SLC 250 BlueTEC (2.1) 204 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 SLC 250 BlueTEC (2.1) 204 hp?
Stage 2 on the Mercedes SLC 250 BlueTEC (2.1) 204 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
How many ECU variants does the Mercedes SLC 250 BlueTEC (2.1) 204 hp have?
The Mercedes SLC 250 BlueTEC (2.1) 204 hp has 6 ECU variants: Delphi CRD3.7A, Delphi CRD3.F1, Delphi CRD3P.D1, Bosch DCU17PC41, Siemens/Continental VGS4-NAG2, Delphi CRD3. 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 SLC?
Stage 1 on the Mercedes SLC 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 SLC 250 BlueTEC (2.1) 204 hp done?
The full remap cycle for the Mercedes SLC — 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 SLC?
The original Mercedes SLC 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 SLC 250 BlueTEC (2.1) 204 hp?
The cost of Stage 1 for the Mercedes SLC 250 BlueTEC (2.1) 204 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.