Expected gains of +53 BHP and +120 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz CLS 450 (3.0T) 367hp? A Stage 1 remap can take this C257 - 2021 -> petrol mhev engine from 367 BHP to 420 BHP and from 500 Nm to 620 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz CLS can achieve.
The Mercedes-Benz CLS 450 (3.0T) 367hp is a 3.0L turbocharged petrol mhev engine producing 367 BHP and 500 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 420 BHP and 620 Nm — a gain of around 53 BHP (14%) and 120 Nm (24%).
This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 220d (2.0D) 194hp | 194 → 225 | +31 | 400 → 480 | +80 | Good (7/10) |
| 400d (3.0D) 330hp | 330 → 380 | +50 | 700 → 820 | +120 | Good (7/10) |
| 53 AMG 435hp | 435 → 460 | +25 | 520 → 620 | +100 | Moderate (4.5/10) |
Get a personalised remap quote for your Mercedes-Benz CLS. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.