Diesel

Mercedes S W221 2006 to 2013 S 350 CDI remap

Standard this engine makes 258hp and 620Nm. Our STAGE 1 file takes it to 300hp and 700Nm.

+42horsepower
+80newton metres
2stages available

Where the power arrives

Power and torque through the rev range, on the STAGE 1 file.

Power before and after
0811622433241,0001,5252,0752,6003,1253,675 RPM 0811622433241,0001,8502,7003,575hp RPM
  • Standard 258hp
  • Remapped 300hp
Torque before and after
01893785677561,0001,5252,0752,6003,1253,675 RPM 01893785677561,0001,8502,7003,575Nm RPM
  • Standard 620Nm
  • Remapped 700Nm

Stages for this engine

Stage 1 needs nothing fitted. Anything above assumes the supporting hardware is on the car already.

Every figure for the S 350 CDI

FilePowerGainTorqueGainPrice
Standard258hpn/a620Nmn/an/a
ECOn/an/a700Nmup 80£680
STAGE 1300hpup 42700Nmup 80£780

Economy files show no new power figure because they are written for torque and drivability rather than peak output.

Remapping the S 350 CDI

The Mercedes S W221 2006 to 2013 S 350 CDI runs a factory calibration built to cope with poor fuel, skipped servicing and hot countries. We rewrite the fuelling, boost and timing for this engine on this car, then test it before you get it back. The original file is kept, so it can go back to standard whenever you want.

Diesels like this one gain most through the middle of the rev range, which is where you actually drive. It pulls from lower down, holds a gear on a hill, and needs fewer downshifts to overtake. Drive it the same way afterwards and the economy usually improves a little.

Figures on this page are for a standard car in good health. We read the fault codes and check the basics first, and if something needs attention we will tell you before we write anything. Have a look at the other engines on the W221 2006 to 2013, the full S range, or everything we do for Mercedes.

Other engines on this S

W221 2006 to 2013 cars.

Similar power, other makes

Cars running about the same standard output, for comparison.

Other S generations

Book your S

We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.

Call 0121 238 8663 Ask a question