Siemens/Continental VGSx-NAG2: Siemens/Continental control unit. Stage 1 for power, removing the gearbox Nm limit and DTC Off, rollback to the factory calibration, oil-pump tuning — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. In the database — 182 modifications only on Mercedes.
The Siemens/Continental VGSx-NAG2 is used across 1 brand: Mercedes (182). 182 engines in total in the database.
The Siemens/Continental VGSx-NAG2 ECU supports: CHECK STOCK OR NOT, STAGE 1, DTC OFF, OIL PRESSURE OPTIMIZATIONS, TORQUE UNLOCK, RESET TO STOCK. Checksums are recalculated on the engineer's side in WinOLS5.
The Siemens/Continental VGSx-NAG2 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 Siemens/Continental VGSx-NAG2 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.
Siemens/Continental VGSx-NAG2 calibration requires a full read of the unit — bin/hex/ori. Programmers: Autotuner, MPPS, MagicMotorSport, KT200, FoxFlash. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Siemens/Continental VGSx-NAG2 file at CHIPOK — 5-30 minutes.
The price of Siemens/Continental VGSx-NAG2 calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).