ECO

Mercedes ML W166 2011 onwards ML 550 ECO

An economy file for the ML 550. Torque goes to 850Nm, which is what makes it easier to drive without revving.

+250newton metres
£990from

Where the gain arrives

Standard against ECO through the rev range.

Power curve
01102203304401,0001,9252,8503,8004,7255,650 RPM 01102203304401,0002,5003,9755,475hp RPM
  • Standard 407hp
Torque before and after
02304596899181,0001,9252,8503,8004,7255,650 RPM 02304596899181,0002,5003,9755,475Nm RPM
  • Standard 600Nm
  • Remapped 850Nm

Standard against ECO

MeasureStandardAfterGain
Power407hpn/an/a
Torque600Nm850Nmup 250

No new power figure is published for an economy file. It is written for torque and drivability, not peak output.

Other files for this engine

All written for the ML 550 specifically.

What ECO involves

This one is aimed at running costs and how the car drives day to day. Torque comes in earlier and more evenly, so it pulls without needing revs. Driven sensibly it will usually give back a little on fuel. If you are after outright power, look at the other files above.

It takes most of a day. We keep your original file, so it can go back to standard at any point. Figures here are for a healthy ML 550, and we check the car over before writing to it.

See the full ML 550 page for every file and figure, the other engines on this ML, or all Mercedes remapping.

Book your ML ECO

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.