Mercedes S 350d (2.9) 286 hp — Stage 1 file (+114 hp)
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Stage 1 file for Mercedes S 350d (2.9) 286 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes S 350d (2.9) 286 hp ECU
Mercedes S (2014 - W222) 350d (2.9) 286 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 286 to 400 hp (+114 hp, +40%) and torque from 600 to 800 Nm (+200 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: 4 configurations · 2 ECU variants. A diesel built in 2014 — the Tricore ECU era; OBD flash works on most production revisions.
AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. Maybach is Mercedes's ultra-luxury sub-brand. Mid-generation diesel models use standard OBD read/write. Mercedes diesels are known for smooth, quiet running, a hallmark of the premium segment. Mercedes diesels have long been known for legendary reliability, with German taxi fleets running to million-kilometre mileages.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On Mercedes up to the recent generation, Stage 1 OBD flash is available. In the Mercedes commercial segment, Stage 1 focuses on torque. 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
What is the Stage 1 effect on the Mercedes S 350d (2.9) 286 hp?
Stage 1 chip tuning on the Mercedes S 350d (2.9) 286 hp boosts engine output by 114 hp: from 286 to 400 hp. Torque rises from 600 to 800 Nm (+200 Nm).
What changes in the Mercedes S ECU after Stage 1?
Stage 1 chip tuning of the Mercedes S is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +114 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercedes S 350d (2.9) 286 hp?
Stage 1 on the powerful Mercedes S 350d (2.9) 286 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 much does Stage 2 add on the Mercedes S?
Stage 2 for the Mercedes S 350d (2.9) 286 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.
Which ECUs are found on the Mercedes S 350d (2.9) 286 hp?
The Mercedes S 350d (2.9) 286 hp was fitted with different ECUs depending on the year and trim: Bosch MD1CP001, Bosch VGS3-NAG3. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Mercedes S warranty after chip tuning?
The factory warranty of the Mercedes S 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 S take?
On the Mercedes S 350d (2.9) 286 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 S?
Yes, the original ECU firmware of the Mercedes S 350d (2.9) 286 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 S?
Stage 1 for the Mercedes S 350d (2.9) 286 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.