Delphi control unit — found only on Mercedes (3 modifications). On the Delphi CRD3.20, CHIPOK performs Stage 1 — power tuning, software removal of the diesel particulate filter · EGR · AdBlue · catalyst control, disabling the intake flaps, speed limit removal and DTC removal, return to stock, Oil Pressure Optimizations. Flashing is done via KESS3 / Autotuner / CMD Flash / FGTech Galletto.
The Delphi CRD3.20 ECU is fitted to 3 engines in the CHIPOK database across 1 brand. Top: Mercedes (3).
The Delphi CRD3.20 ECU supports: STAGE 1, LAMBDA OFF, EXT FLAPS OFF, ECO TUNING, ADBLUE OFF, CHECK STOCK OR NOT, DPF OFF, VMAX OFF, DTC OFF, OIL PRESSURE OPTIMIZATIONS. Checksums are recalculated on the engineer's side in WinOLS5.
The Delphi CRD3.20 is supported by: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the diesel Delphi CRD3.20 reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
A Delphi CRD3.20 file is accepted in .bin/.hex/.ori format (full read) from any programmer: KESS3 / KTAG / Autotuner / MagicMotorSport. Checksums are recalculated by hand in WinOLS5.
Flashing the Delphi CRD3.20 takes 25-30 minutes in OBD mode or ~60 minutes on Bench. Once the file is received, CHIPOK processes it in 5-30 minutes.
The cost of flashing the Delphi CRD3.20 is calculated in the price calculator: you select options (Stage 1/2, DPF off, EGR off, AdBlue off, DTC off, etc.) and the final price is capped by the package Max Price. Paid with credits (1 cr = 1 €), no subscriptions.