Considering an ECU remap for your Mercedes-Benz SLK 350 - 306hp? A Stage 1 remap can take this R172 - 2011 -> petrol engine from 306 BHP to 320 BHP and from 370 Nm to 390 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz SLK can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Mercedes-Benz SLK 350 - 306hp is a 3.5L naturally aspirated petrol engine producing 306 BHP and 370 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 320 BHP and 390 Nm — a gain of around 14 BHP (5%) and 20 Nm (5%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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 |
|---|
| 200 (1.8T) 184hp | 184 → 210 | +26 | 270 → 380 | +110 | Good (7.5/10) |
| 250 (1.8T) 204hp | 204 → 220 | +16 | 310 → 380 | +70 | Good (7/10) |
| 250 CDI 204hp | 204 → 240 | +36 | 500 → 580 | +80 | Good (7/10) |
| 55 AMG V8 421hp | 421 → 440 | +19 | 540 → 565 | +25 | Limited (3/10) |
Get a personalised remap quote for your Mercedes-Benz SLK. 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.
