Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp — Stage 1 file (+23 hp)
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Stage 1 file for Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp ECU
Mercedes E (2013 - W212) 300 BlueEFFICIENCY (3.5i) 252 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 252 to 275 hp (+23 hp, +9%) and torque from 340 to 370 Nm (+30 Nm). This engine ships with different ECU variants: Bosch MED17.7.1, Bosch MED17.7.3, Siemens/Continental VGSx-NAG2. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. The 2013 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.
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. Maybach uses Mercedes engines for the ultra-luxury segment, with the emphasis on quietness and smoothness. 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.
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 Mercedes up to the recent generation, Stage 1 OBD flash is available. On modern high-output Mercedes, Bench reading is often required because of the 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.
Frequently asked questions
How much horsepower does Stage 1 add for the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp?
After Stage 1 the power of the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp rises from 252 to 275 hp, a gain of 23 hp (+9%). Torque rises from 340 to 370 Nm (+30 Nm).
How does Stage 1 differ from stock on the Mercedes E?
Stage 1 chip tuning of the Mercedes E is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +23 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp?
The high-output Mercedes E 300 BlueEFFICIENCY (3.5i) 252 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 much does Stage 2 add on the Mercedes E?
Stage 2 on the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECUs are found on the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp?
The Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp was fitted with different ECUs depending on the year and trim: Bosch MED17.7.1, Bosch MED17.7.3, Siemens/Continental VGSx-NAG2. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Mercedes E warranty after chip tuning?
The factory warranty of the Mercedes E does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Mercedes E take?
On the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Mercedes E?
Yes, the original ECU firmware of the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Mercedes E?
Stage 1 for the Mercedes E 300 BlueEFFICIENCY (3.5i) 252 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.