Mercedes-Benz S W220 - 2002 - 2005 400 CDI 250hp

Real standard and upgraded performance figures for the 400 CDI 250hp engine in the Mercedes-Benz S W220 - 2002 - 2005.

This page covers the 400 CDI 250hp as fitted to the Mercedes-Benz S W220 - 2002 - 2005 — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard250560
Stage 1290650
Stage 2310695
Make
Mercedes-Benz
Model
S
Generation
W220 - 2002 - 2005
Engine
400 CDI 250hp
Fuel type
Turbo-Diesel

Frequently asked questions

Is Stage 1 tuning safe for the Mercedes-Benz S W220 - 2002 - 2005 400 CDI 250hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 400 CDI 250hp make after tuning?

Standard output is 250 HP / 560 Nm; Stage 1 on this engine typically reaches 290 HP / 650 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Mercedes-Benz S W220 - 2002 - 2005 400 CDI 250hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 400 CDI 250hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.