Your Vehicle
Mercedes-Benz Viano 3.0 CDI V6 204hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 122 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
122 € VAT included (€100 + VAT): the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Online you pay only for the file. At the centre you choose, you pay for writing the ECU (the installation shown above).
Power Graph
Mercedes-Benz Viano 3.0 CDI V6 204hp: da 204 a 240HP
Remapping Mercedes-Benz Viano
MasterTuning develops remapping for Mercedes-Benz. La Mercedes-Benz Viano 3.0 CDI V6 204hp può passare da 204 HP a 240 HP con un incremento di 36 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Mercedes-Benz Viano 3.0 CDI V6 204hp
The Mercedes-Benz Viano 3.0 CDI V6 204hp is equipped with a diesel engine that produces 204 HP and 440 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 240 HP (+18%) and 560 Nm (+27%).
Our Stage 1 tuning for the Viano 2003 - 2010 delivers an impressive gain of +36 HP and +120 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code OM642.990 identifies this specific powerplant configuration. The Bosch EDC16CP31 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Mercedes-Benz responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Mercedes-Benz Viano 3.0 CDI V6 204hp
Factory technical data for the Mercedes-Benz Viano 3.0 CDI V6 204hp (2003 - 2010), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | OM642.990 |
|---|---|
| ECU / Control unit | Bosch EDC16CP31 |
| Fuel | Diesel |
| Compression ratio | 17.7 |
| Bore × stroke | 83.0 X 92.0 mm |
| Stock power | 204 HP · 440 Nm |
| Remapped power (Stage 1) | 240 HP (+36) · 560 Nm (+120) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Mercedes-Benz Viano.
Frequently Asked Questions - Mercedes-Benz Viano
How much power can I gain from remapping my Mercedes-Benz Viano?
With MasterTuning Stage 1, your Mercedes-Benz Viano 3.0 CDI V6 204hp can gain +36 HP (from 204 to 240 HP) and +120 Nm of torque. This represents a 18% increase in power.
Which ECU does the Mercedes-Benz Viano 3.0 CDI V6 204hp use?
The Mercedes-Benz Viano 3.0 CDI V6 204hp uses the Bosch EDC16CP31 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Mercedes-Benz Viano 3.0 CDI V6 204hp?
The engine code of the Mercedes-Benz Viano 3.0 CDI V6 204hp is OM642.990. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Mercedes-Benz Viano engine?
Yes, MasterTuning's remapping for the Mercedes-Benz Viano 3.0 CDI V6 204hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the OM642.990 engine.
Is the Mercedes-Benz ECU remapping reversible?
Absolutely. The original factory calibration of your Mercedes-Benz Viano is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Mercedes-Benz warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Online you pay only for the file. At the centre you choose, you pay for writing the ECU (the installation shown above).
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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-15% on Stage 1 if you ask for the quote now (valid 7 days)