Find the firmware identifiers (hardware, software and update numbers), available tuning options and how to get the original or remapped file.
✓ Tuning via file (flash)
✓ Add-on module available 5 firmware versions
Vehicle data
| Brand | MERCEDES |
| Model | A CLASS W177 |
| Engine | A250 2.0L 16V TURBO 165kW/221HP MED17.7.7 |
| Stock power | 224 CV / 165 kW |
| Displacement | 2000 cc |
| Fuel | Benzina sovralimentato |
| Vehicle type | Auto |
ECU
| Manufacturer | BOSCH |
| Model | MED17.7.7 |
| Memory / EPROM | MICRO ST TRICORE - 32768 - 400000 |
Available tuning operations / options:
- Absolute boost limit
- Maximum air charge for overboost protection with turbocharger fault
- Base timing
- Base timing 2
- Optimal spark timing/MBT
- Optimal spark timing/MBT 2
- Ambient pressure threshold for boost diagnosis
- Boost pressure limiter
- Boost pressure limiter 2
- Boost pressure
- Desired engine load calculation
- Lambda correction for engine temperature after starting
- Compression ratio for turbocharger protection
- Compression ratio to limit the temperature downstream of the compressor
- Maximum compression ratio to limit the temperature downstream of the turbocharger
- Delta pressure for charging protection over diagnosis
- Desired pressure ratio
- Max accepted exhaust gas temperature value after catalyst
- Max accepted exhaust gas temperature value after turbine
- Max accepted exhaust gas temperature at exhaust manifold
- Exhaust gas temperature
- Exhaust gas temperature threshold for component protection
- Maximum value for EKP (electric fuel pump)
- Max torque correction factor for ECT sensor
- Factor for reducing maximum filling
- Engine filling reduction factor for component protection
- Gearbox maximum torque allowed
- Maximum value for HDP (high pressure fuel pump)
- HFM/HLM threshold for diagnosis
- High pressure fuel pump setpoint
- High fuel pressure pump limit
- High fuel pressure pump limit for ECT sensor
- Advance limiter for component protection 1
- Boost pressure deviation limits for basic charge air pressure
- Lambda enrichment for components protection
- Lambda minimum value for components protection
- Lambda value for components protection activation
- Lambda correction for exhaust manifold temperature
- Torque limiter at high EGT
- Max desired pressure ratio limit
- Max desired pressure ratio limit (Sport mode)
- Lambda efficiency
- Lambda efficiency 2
- RPM Limiter
- RPM Limiter 2
- RPM limiter - AT
- RPM limiter - MT
- RPM limit for EOT sensor
- Low pressure fuel pump limit
- Low pressure fuel pump for EFT sensor
- Lambda driver wish
- Knock detection factor
- Knock detection factor 2
- Maximum indicated torque
- Boost pressure minimal delta
- Throttle air mass flow calculation
- Manifold absolute pressure time delay
- Characteristic manifold absolute pressure time constant of the LRS
- Max injection amount for each cylinder
- Maximum intake manifold pressure
- Maximum negative deviation for boost overcharge
- Max torque profile
- Max torque profile (overboost active)
- Max torque profile in Sport mode
- Optimal engine moment
- Torque/load reduction for overheating protection
- Torque/load reduction for overheating protection 2
- Torque/load reduction for overheating protection 3
- Torque/load reduction for overheating protection 4
- Power limit torque table
- Specific air mass charge - correction
- Specific air mass flow quantity limiter
- % relative air filling limit depending on IAT
- Throttle angle management
- Maximum upper tolerance intake pressure protection
- Turbocharger volumetric efficiency
- Variable valve timing - inlet
- Variable valve timing - outlet
Firmware identifiers (5)
| Hardware No. | Software No. (chip) | Version | Update software | ECU |
| 2649040300 | 2649023100 |
1.94.007 | 2649036700 |
BOSCH MED17.7.7 |
| 2649040300 | 2649025600 |
1.94.011 | 2649035203 |
BOSCH MED17.7.7 |
| 2649040400 | 2649027200 |
1.94.002 | 2649036004 |
BOSCH MED17.7.7 |
| 2649040400 | 2649025700 |
1.94.007 | 2649036104 |
BOSCH MED17.7.7 |
| 2649040400 | 2649025900 |
1.94.005 | 2649035904 |
BOSCH MED17.7.7 |
ECU notes
MICRO Infineon Tricore TC1793 To work on this ECU you can use NewTrasdata
Get the file for this vehicle
Tools to read and write this ECU