Mercedes-Benz - 2014-2021 - OM654 2.0-litre four-cylinder diesel

Mercedes-Benz C220d (W205) Remapping

Independent Stage 1 ECU remapping for the Mercedes-Benz C220d (W205) (2014-2021), fitted with the OM654 2.0-litre four-cylinder diesel. Subject to a suitability check. Workshop or mobile, same price either way, from .

The Mercedes-Benz C220d (W205) is an executive diesel platform commonly covering higher motorway mileage, where smoother torque delivery is often the main appeal.

Executive car owners covering long motorway commutes who want the OM654's torque delivery smoothed further.

What to expect

Remapping the Mercedes-Benz C220d (W205)

A Stage 1 remap recalibrates the factory ECU software to improve throttle response and smooth out power delivery, within limits appropriate for a standard, unmodified Mercedes-Benz C220d (W205).

As a turbo diesel, this platform is also commonly approached for economy-focused tuning, which can improve drivability and reduce gear changes on longer journeys. We don't publish generic bhp or torque figures, since actual results depend on the specific vehicle's condition, mileage, and history, confirmed properly during a suitability check.

Engine background

About the OM654 2.0-litre four-cylinder diesel

Good to know

What makes this platform different

The OM654 is a newer-generation Mercedes diesel with updated emissions hardware, which we account for at the suitability stage.

Before you book

What we check first

Suitability

Every vehicle is assessed individually

  • +Confirming the vehicle's exact engine code and specification.
  • +Checking for any existing fault codes or warning lights.
  • +Confirming the vehicle hasn't already been remapped elsewhere without a known original file.
  • +Discussing whether workshop or mobile suits you best.
Common questions

Mercedes-Benz C220d (W205) FAQs

FAQ

Is the newer OM654 diesel different to remap than older Mercedes diesel engines?

The OM654 uses updated emissions hardware and ECU calibration compared to older Mercedes diesels, factored into the suitability check for each specific car.

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Guide

Mercedes-Benz fault codes

Common Mercedes-Benz known issues and diagnostic guidance.

Mercedes-Benz fault codes
Local

Mercedes-Benz remapping near you

Mercedes-Benz Stage 1 remapping serving Leicester and the surrounding area.

Mercedes-Benz remapping in Leicester
Already been mapped?

Correction work

Please read

If your Mercedes-Benz C220d (W205) has been mapped, locked, encrypted or checksum-modified previously, it may need correction work first. We won't overwrite software we don't recognise.

Correction work from £210.

Ready when you are

Mercedes-Benz C220d (W205), sorted properly.