Mercedes-Benz engine remapping BHP and Torque gains

Remapping the Mercedes-Benz C (2010-2014), 220 CDI 170HP.

Remapping the 220 CDI 170HP in the Mercedes-Benz C (2010-2014) lifts torque from 400Nm to 500Nm, a 25% increase that noticeably outpaces the 20.6% gain in BHP (170 to 205bhp).

As a turbocharged diesel, this is exactly the kind of engine that responds well to remapping, and a impressive gain like this translates into stronger motorway pulling power and easier overtaking. These figures apply to 2010-2014 models.

Typical remap gains for the C 220 CDI 170HP

Power (Horsepower)
Standard vs Remapped
STANDARD 170 BHP

TUNED → 205 BHP

Torque
Standard vs Remapped
STANDARD 400 NM

TUNED → 500 NM

+35 BHPPower gained
+20.6%BHP increase
+100 NmTorque gained
+25.0%Torque increase

  • Power: 170bhp standard, 205bhp after a Stage 1 remap.
  • Torque: 400Nm standard, 500Nm after a Stage 1 remap.
  • This is a torque-led gain: pulling power increases by more than BHP, which is felt mainly as a stronger mid-range.
  • This is a turbocharged engine, which typically means further headroom exists beyond Stage 1 if hardware is upgraded.
  • As a diesel, the practical benefit is mainly felt as stronger pulling power for towing and motorway overtaking.
  • These figures apply specifically to 2010-2014 models.
  • These are Stage 1 figures only, achieved without any hardware changes.

Questions about remapping your C 220 CDI 170HP

How much power and torque does a Stage 1 remap add to the Mercedes-Benz C (2010-2014) 220 CDI 170HP?

A Stage 1 remap typically takes the Mercedes-Benz C (2010-2014) 220 CDI 170HP from 170bhp to around 205bhp, and torque from 400Nm to around 500Nm. This is a impressive gain achieved entirely through software, with no hardware changes required.

Is the Mercedes-Benz C (2010-2014) 220 CDI 170HP a good candidate for remapping?

Generally, yes: as a turbocharged engine it has the headroom to respond well to a quality remap, and the impressive gain shown here reflects that. The main caveats are condition, not the engine itself, a healthy service history, no outstanding fault codes, and (for diesels) a clear DPF and EGR are what actually determine whether this particular car is ready for a remap.

Will remapping affect the warranty on my Mercedes-Benz C (2010-2014)?

A manufacturer can only void the parts of a warranty that the remap directly affects, not the entire vehicle, under the Consumer Rights Act and EU Block Exemption principles. In practice, on a Mercedes-Benz C (2010-2014) 220 CDI 170HP this usually means engine and transmission-related claims are the ones worth discussing with a reputable tuner before booking.

What should I check before booking a remap for my Mercedes-Benz C (2010-2014) 220 CDI 170HP?

Before booking, confirm the tuner uses a custom or bespoke file rather than a generic off-the-shelf map, ask whether they do a pre-remap health check, and check service history and mileage on your specific Mercedes-Benz C (2010-2014). For a diesel like this one, also check the DPF and EGR are in good working order, since a generic remap on a struggling emissions system is where problems tend to start.

What's the difference between a Stage 1 and Stage 2 remap for the 220 CDI 170HP?

Stage 1 is software-only and is what the figures on this page reflect. Stage 2 builds on that, but on a turbocharged engine like this, Stage 2 usually adds further gains but requires supporting hardware such as an upgraded intake or exhaust, so it is a separate conversation with a tuner rather than an automatic next step.

Will remapping my Mercedes-Benz C (2010-2014) affect my insurance?

Yes, always, a remap is a modification and must be declared to your insurer regardless of size. Given this impressive gain on the 220 CDI 170HP, expect a likely premium increase, and it is worth getting a quote from a specialist modified-vehicle insurer before booking the remap itself.