Chip Tuning Mercedes-Benz V W638 (until 2003)
5 engines · +17 to +43 hp
V W638: 5 engines — 2 petrol and 3 diesel. Gains range from +17 to +43 hp, with up to +107 Nm of torque. GAN GTL from 219 EUR, GAN GT from 329 EUR. GAN GA+ from 189 EUR.
All V W638 engines: exact gains
STOCK output, output with GAN, gain and price for each module. Diesel and petrol engines are listed separately.
| Engine | STOCK → with GAN | Gain | Tuning modules and prices | |
|---|---|---|---|---|
| Diesel · 3 engines | ||||
| 3.0 CDI204 hp / 510 Nm | +43 hp+107 Nm |
GTL — 249 EUR · 241 hp GT — 399 EUR · 247 hp |
Select → | |
| 220 2.2 CDI122 hp / 300 Nm | +37 hp+85 Nm |
GTL — 219 EUR · 153 hp GT — 329 EUR · 159 hp |
Select → | |
| 200 2.2 CDI102 hp / 250 Nm | +31 hp+71 Nm |
GTL — 219 EUR · 128 hp GT — 329 EUR · 133 hp |
Select → | |
| Petrol · 2 engines | ||||
| 280174 hp / 237 Nm | +21 hp+28 Nm |
GA — 189 EUR · 195 hp GA+ — 189 EUR · 195 hp |
Select → | |
| 230143 hp / 215 Nm | +17 hp+26 Nm |
GA — 189 EUR · 160 hp GA+ — 189 EUR · 160 hp |
Select → | |
Each engine has its own tuning module: GAN GT / GTL or GAN GA / GA+. Prices are per tuning module and include the current discount.
Not sure which engine you have?
Find your engine by the power output in your registration document: each version has its own module calibration.
Mercedes-Benz V W638 tuning: what changes
The tuning module sits between the sensors and the engine control unit (ECU) and adjusts their signals. Your manufacturer’s warranty is preserved: the ECU software is never changed, and the module can be removed at any time.
- Bluetoothsmartphone mode control
- 18 mappingsfine tuning for your engine
- 15 minutesfitted to the factory connectors
- IP67water and dust protection
- +43 hpbest in this generation
3.0 CDI 204 hp → 247 hp. The other engines gain from +17 hp; see the table for each one.
- +107 Nmfor diesels
Diesels gain mainly torque: +71 to +107 Nm.
- up to +12%with the GAN GA+ on naturally aspirated engines
For 2 naturally aspirated engines: GAN GA / GAN GA+ tuning modules; see the table for each engine’s figure.
- 50 daystest drive
Enhanced performance or your money back, excluding delivery costs.
Mercedes-Benz V W638 chip tuning: questions
Which tuning module do I need for the V W638?
Turbocharged engines take the GAN GT or GAN GTL, naturally aspirated ones the GAN GA or GAN GA+. Find your engine in the table above: each row shows the module and the price.
Is a tuning module the same as a Stage 1 tune?
Not quite. Stage 1 usually means an ECU remap without replacing any parts. The tuning module also works without replacing parts, but it does not change the ECU software: it adjusts the sensor signals, comes off in about a minute, and the OFF button in the app restores the factory settings.