Considering an ECU remap for your Mercedes-Benz E 400d 340hp? A Stage 1 remap can take this W213 - 2016 - 2019 diesel engine from 340 BHP to 380 BHP and from 700 Nm to 820 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz E can achieve.
The Mercedes-Benz E 400d 340hp is a 2.9L turbocharged diesel engine producing 340 BHP and 700 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 380 BHP and 820 Nm — a gain of around 40 BHP (12%) and 120 Nm (17%).
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.
Fuel economy note: possible improvement with conservative driving.
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 |
|---|---|---|---|---|---|
| 200d 150hp | 150 → 200 | +50 | 360 → 440 | +80 | Good (7.5/10) |
| 200d 160hp | 160 → 180 | +20 | 360 → 400 | +40 | Good (6.5/10) |
| 200 - 184hp | 184 → 230 | +46 | 300 → 390 | +90 | Moderate (5.5/10) |
| 220d 194hp | 194 → 220 | +26 | 400 → 460 | +60 | Good (6.5/10) |
| 200 (2.0T) 197hp | 197 → 270 | +73 | 320 → 450 | +130 | Excellent (8/10) |
| 250 - 211hp | 211 → 230 | +19 | 350 → 400 | +50 | Moderate (4.5/10) |
| 300 - 245hp | 245 → 265 | +20 | 370 → 420 | +50 | Moderate (4.5/10) |
| 300d 245hp | 245 → 270 | +25 | 500 → 560 | +60 | Good (6.5/10) |
| 350d 258hp | 258 → 300 | +42 | 620 → 720 | +100 | Good (7/10) |
| 350e Hybrid 286hp | 286 → 330 | +44 | 550 → 650 | +100 | Moderate (5/10) |
| 350d 286hp | 286 → 380 | +94 | 600 → 800 | +200 | Excellent (8/10) |
| 350 299hp | 299 → 348 | +49 | 400 → 451 | +51 | Moderate (4.5/10) |
| 300de 306hp | 306 → 335 | +29 | 700 → 760 | +60 | Limited (3.5/10) |
| 300e 320hp | 320 → 350 | +30 | 700 → 760 | +60 | Limited (3.5/10) |
| 400 - 333hp | 333 → 400 | +67 | 480 → 580 | +100 | Moderate (5.5/10) |
| 450 - 367hp | 367 → 410 | +43 | 500 → 590 | +90 | Moderate (4.5/10) |
| 43 AMG 401hp | 401 → 420 | +19 | 520 → 620 | +100 | Moderate (4.5/10) |
| 53 AMG 435hp | 435 → 460 | +25 | 520 → 620 | +100 | Moderate (4.5/10) |
| 63 AMG 571hp | 571 → 650 | +79 | 750 → 850 | +100 | Moderate (4.5/10) |
| 63 AMG S 612hp | 612 → 690 | +78 | 850 → 950 | +100 | Moderate (4.5/10) |
Get a personalised remap quote for your Mercedes-Benz E. 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.
