Mercedes-Benz C-Class W205 C63 AMG 4.0T Stage 1: 476→619hp

Mercedes-Benz C-Class W205 C63 AMG 4.0T Stage 1: 476→619hp

Mercedes-Benz C-Class W205 C63 AMG 4.0T Stage 1: 476hp → 619hp, 650→878Nm. Validated DMS calibration, proven on our dyno — not an off-the-shelf file. From…

Mercedes-Benz C-Class W205 Stage 1: 476 hp → 619 hp

Factory output for the Mercedes-Benz C-Class W205 C63 AMG 4.0T is 476 hp and 650 Nm. A Stage 1 remap targets 619 hp and 878 Nm — 143 hp (+30%) and 228 Nm (+35%).

Those are the figures we work to on this engine. They are a starting point, not a promise: the number we hand back is the one your car makes on our dyno, measured before and after on the same day, in the same conditions.

What 143 hp changes on the road

A turbocharged petrol responds to a remap mostly through boost and ignition timing. Taking the C63 AMG 4.0T from 476 hp to 619 hp, with torque from 650 Nm to 878 Nm, sharpens throttle response and shortens the gap between asking for power and getting it — the car stops feeling like it is thinking about it first.

Gains of this size (+30%) are normal for this kind of engine on pump fuel, with no hardware changes.

What Stage 1 involves on a Mercedes-Benz C-Class W205

We read the ECU, log the car as it stands, and put it on the dyno to confirm the 476 hp baseline — a tired or faulty engine gets diagnosed before it gets mapped, not after.

The calibration is written for your car, not pulled from a file library. We adjust fuelling, ignition timing and boost pressure, then re-run the dyno to verify the 619 hp and 878 Nm figure and check knock, lambda and temperatures under load.

Turnaround is same-day for most cars. Stock file is archived, so the car can go back to standard whenever you want.

Mercedes-Benz C-Class W205 remap price and booking

Stage 1 for the Mercedes-Benz C-Class W205 C63 AMG 4.0T starts at €450, including the dyno runs before and after and the stock-file archive.

We work from Leoforos Karamanli 127, Artemida 19016, east of Athens, and tune remotely across Europe where the ECU allows it. WhatsApp +30 697 728 8810 with your registration for a straight answer on your car.

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