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Mercedes Classe R (W251) 500 4-matic (306 hp) remapping
- Fuel
- Petrol
- Years
- 2005 - 2013
- ECU
- Bosch MED17.7.1 / Bosch MED17.7.3
- Method
- Through the OBD port
Stage 1
Mercedes Classe R (W251) 500 4-matic (306 hp)
Power
+24 hp +8 %
Torque
+30 Nm +8 %
| Power | Torque | |
|---|---|---|
| Stock | 306 hp | 370 Nm |
| Stage 1 | 330 hp | 400 Nm |
| Gain | +24 hp | +30 Nm |
E85 FlexFuel conversion
Mercedes Classe R (W251) 500 4-matic (306 hp)
Power
+24 hp +8 %
Torque
+30 Nm +8 %
| Power | Torque | |
|---|---|---|
| Stock | 306 hp | 370 Nm |
| E85 | 330 hp | 400 Nm |
| Gain | +24 hp | +30 Nm |
How the remap works
- You order for your vehicle Engine and VIN: the map is prepared for your ECU.
- You receive the REPROG dongle A Bluetooth box that plugs into the OBD port under the dashboard.
- The app saves the stock map With MyFlasher (iOS, Android), the dongle reads and keeps the factory map.
- You flash in a few minutes The Dynaparts map is loaded; going back to stock remains possible at any time.
Other Classe R (W251) engines
| Engine | Stock | After remap | Gain | Details |
|---|---|---|---|---|
| 350 (272 hp) Petrol E85 compatible | 272 hp400 Nm | 420 hp550 Nm | +148 hp+150 Nm | |
| 350 4-matic (272 hp) Petrol E85 compatible | 272 hp400 Nm | 420 hp550 Nm | +148 hp+150 Nm | |
| 350 V6 Blue Efficiency (306 hp) Petrol E85 compatible | 306 hp370 Nm | 330 hp400 Nm | +24 hp+30 Nm | |
| 500 4-matic (306 hp) Petrol E85 compatible | 306 hp370 Nm | 330 hp400 Nm | +24 hp+30 Nm | This page |
| 400 EU6 (3.0T) (333 hp) Petrol E85 compatible | 333 hp480 Nm | 400 hp580 Nm | +67 hp+100 Nm |
All Classe R (W251) engines Parts compatible with this vehicle
Frequently asked questions
How does a remap with the REPROG pack work?
You plug the REPROG by Dynaparts Bluetooth OBD dongle into the vehicle's OBD port and install the MyFlasher app (iOS or Android). The dongle reads and saves the stock map, then loads the Dynaparts map for your engine. Flashing takes a few minutes, with no dismantling.
Why give my vehicle's VIN?
The map is prepared for your engine and ECU. The VIN (field E of the registration document) lets us check the exact vehicle version before shipping.
Can I go back to the stock map?
Yes. The stock map is saved during the first read and can be restored at any time from the app, in a few minutes.
What is the difference between Stage 1 and the E85 pack?
Stage 1 optimises injection, ignition and boost management on the original fuel. The E85 pack installs a FlexFuel map to run on E85 bioethanol, cheaper at the pump, without an add-on box.
Are the stated gains guaranteed?
Indicative figures measured on a well-maintained stock vehicle: they may vary with engine condition, fuel and measuring conditions. A remap changes the vehicle's characteristics: remember to inform your insurer.
Indicative figures measured on a well-maintained stock vehicle: they may vary with engine condition, fuel and measuring conditions. A remap changes the vehicle's characteristics: remember to inform your insurer.