Mercedes SLK 250 CGI (1.8T) 204 hp — Stage 1 file (+36 hp)
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Stage 1 file for Mercedes SLK 250 CGI (1.8T) 204 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes SLK 250 CGI (1.8T) 204 hp ECU
Mercedes SLK (2011 - R172) 250 CGI (1.8T) 204 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 204 to 240 hp (+36 hp, +18%) and torque from 310 to 380 Nm (+70 Nm). ECU — Siemens/Continental SIM271DE2.0. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2011 — a Tricore platform without strong protection; OBD access works.
Maybach is Mercedes's ultra-luxury sub-brand. 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'). The factory calibration on Mercedes petrol engines is conservative, leaving headroom for Stage 1. High-output Mercedes turbo petrol engines are the flagship models, and Stage 1 delivers a solid gain. Mid-generation petrol models use standard OBD flash.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. 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. 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 SLK 250 CGI (1.8T) 204 hp reach after a remap?
Stage 1 for the Mercedes SLK 250 CGI (1.8T) 204 hp adds +36 hp — power increases from 204 to 240 hp (+18%). Torque rises from 310 to 380 Nm (+70 Nm).
What does a Stage 1 remap of the Mercedes SLK 250 CGI (1.8T) 204 hp include?
Stage 1 on the Mercedes SLK 250 CGI (1.8T) 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 +36 hp with no hardware changes.
What does Stage 1 give on the powerful Mercedes SLK 250 CGI (1.8T) 204 hp?
Stage 1 on the powerful Mercedes SLK 250 CGI (1.8T) 204 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How does Stage 2 differ from Stage 1 on the Mercedes SLK 250 CGI (1.8T) 204 hp?
Stage 2 for the Mercedes SLK 250 CGI (1.8T) 204 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 control unit does the Mercedes SLK 250 CGI (1.8T) 204 hp run?
The control unit of the Mercedes SLK 250 CGI (1.8T) 204 hp is the Siemens/Continental SIM271DE2.0. Before flashing, the engineer identifies the exact revision and selects the write method.
Does Stage 1 void the warranty on the Mercedes SLK?
Stage 1 on the Mercedes SLK 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 SLK 250 CGI (1.8T) 204 hp done?
The full remap cycle for the Mercedes SLK — 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 SLK?
The original Mercedes SLK 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 SLK 250 CGI (1.8T) 204 hp?
The cost of Stage 1 for the Mercedes SLK 250 CGI (1.8T) 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.