DYNO TUNING / MERCEDES
Mercedes Tuning Melbourne
C63 AMG, E63 AMG, A45 AMG, GLE63 — every AMG platform arrives with factory limits we're equipped to unlock. ECU and 9G-Tronic TCU tuned on our Mainline AWD dyno.
— Mercedes Dyno Results
Your Mercedes Dyno Tuning Specialists.
Mercedes C63 507 Weistec Supercharger
Mercedes S560 AMG - Stage 2 with Dump Valves
— Models We Tune
Popular Mercedes Models We Tune.
From A45 AMG and C63 to the GLE63 S — every AMG and performance Mercedes platform we list here has been through our Mainline AWD dyno.
GET A QUOTE →— Platform Overview
Tuning the Mercedes Platform.
Mercedes-AMG builds some of the most technically sophisticated and tuning-responsive engines in production. The M133 four-cylinder in the W176 A45 AMG and M139 in the W177 A45s carry the title of world's most powerful production 2.0L engine — the M139 makes 310kW from the factory, and that number is held well below its actual potential by ECU calibration. An M139 A45s on Stage 1 regularly produces 370–385kW at the wheels on our Mainline dyno. The 8-speed dual-clutch transmission (724G) has its own conservative factory calibration that responds equally well to TCU tuning — shift speed, torque delivery through changes, and launch control all improve substantially.
The M177 4.0L twin-turbo V8 in the C63 AMG (W205), E63 AMG (W213), and AMG GT (C190) is calibrated conservatively for Euro 6 emissions across diverse global markets. Internally, the M177 is an overbuilt engine — forged crankshaft, four-valve combustion with spray-guided direct injection, and a variable geometry exhaust manifold. A proper ECU remap on an M177 is one of the highest-return-per-dollar exercises on any luxury performance car: a factory 350–430kW C63 or E63 becomes 440–510kW at the wheels on 98 RON without any hardware changes. The 9-speed MCT (wet multi-clutch) or torque converter automatic has its own TCU calibration that should always be paired with the ECU tune.
Mercedes' diesel range — primarily the OM651 2.2L four-cylinder common-rail (C220d, E220d, GLC220d) — is a rewarding platform for ECU remapping. The factory calibration applies significant torque limiting for model stratification and emissions compliance; the C200d and C220d share hardware but are software-differentiated. A diesel remap on the OM651 improves throttle response throughout the rev range, reduces turbo lag noticeably, and raises peak torque by 80–100Nm — improvements that are felt more in everyday driving than peak power figures suggest.
— Typical At-Wheel Figures
Real Numbers. Mainline AWD.
At-wheel kW on 98 RON unless noted. Representative of results in our Epping workshop — your car may vary.
| Engine / Models | Factory | Stage 1 | Stage 2 |
|---|---|---|---|
M133 2.0T98 RON A45 AMG W176, CLA45 AMG C117, GLA45 X156 | ~245 kW | ~298 kW | ~338 kW |
724G DCT TCU tune strongly recommended. Stage 2 requires intercooler and downpipe. | |||
M139 2.0T98 RON A45s W177, CLA45s C118, GLA45s H247 | ~310 kW | ~378 kW | ~425 kW |
World's most powerful production 2.0L. Stage 1 alone transforms the car. Huge Stage 2 potential. | |||
M176 3.0T V698 RON C43 AMG W205/W206, E43 AMG, GLC43 | ~260 kW | ~318 kW | ~355 kW |
Twin-turbo V6 biturbo. Strong gains. 9G-Tronic TCU tune recommended. | |||
M177 4.0T V898 RON C63 AMG W205, E63 AMG W213, AMG GT C190 | ~365 kW | ~448 kW | ~498 kW |
Forged bottom end. Factory heavily derated for Euro 6. One of the best-value performance tunes available. | |||
OM651 2.2L dieselDiesel C220d W205, E220d W213, GLC220d X253 | ~120 kW | ~158 kW | — |
Common-rail 4-cyl diesel. Torque improvement in everyday driving range is the main benefit. | |||
— Parts & Accessories
Mercedes Tuning Parts & Accessories.
Mercedes-specific performance hardware, sourced and fitted in-house.
Mercedes C43 AMG W205 Custom Downpipe
CTS Turbo Air Intake kit for Mercedes Benz C400/C450/C43AMG/E400 and more
Redstar Catless Downpipes - Mercedes ML63 ML550 GL63 GLE63 GLS63 GL550
Redstar Catless Downpipe - Mercedes CLA45 / A45 / GLA45 M139
GCG5452R Turbo Charger Bolt On Upgrade Mercedes Benz AMG A45 + VR2 BOV
Mercedes Benz A45 CLA45 AMG 4 inch intake Kit - W176 Air
Mercedes Benz 3.5″ Race (Decat) Downpipe Mercedes A45 CLA 45 AMG W176
![Spool FX-200 Upgraded High Pressure Fuel Pump System | C63 AMG [M177]](https://storage.tuned-by-apex.garageapex-internal.com/media/2026/05/t01aecemnqka253iw3rjbl15/fallback.jpg)
Spool FX-200 Upgraded High Pressure Fuel Pump System | C63 AMG [M177]
— Mercedes Tuning FAQs
Common Questions.
How much power can a Mercedes A45s AMG M139 make on a Stage 1 tune?
A stock A45s AMG with the M139 engine makes approximately 310kW at the wheels on our Mainline AWD dyno. A Stage 1 ECU tune — no hardware changes required — typically takes this to 370–385kW. Combined with a 724G DCT transmission tune, the car shifts noticeably faster and delivers torque more consistently through gear changes. For reference, that puts a Stage 1 A45s close to the factory output of a C63 AMG.
Is the Mercedes C63 AMG M177 worth tuning?
The M177 4.0L twin-turbo V8 in the C63 AMG is one of the best tuning platforms we work with. The factory output of ~350kW at the wheels is held there by conservative ECU calibration for Euro 6 compliance — the engine hardware is substantially overbuilt relative to that output. A Stage 1 ECU remap routinely produces 440–450kW at the wheels with no hardware changes. The E63 AMG with the same engine responds similarly. TCU tuning on the 9-speed MCT is always recommended alongside the ECU work.
Does Mercedes ECU tuning affect the factory warranty?
Any ECU modification will technically void the powertrain warranty with the dealership. However, Mercedes Australia's warranty obligations under Australian Consumer Law remain — they cannot void your statutory consumer guarantees for issues unrelated to the modification. We recommend tuning after the warranty period, or understanding that warranty claims will need to demonstrate the modification was not the cause of any issue. This is true of any brand, not specific to Mercedes.
Can you tune the Mercedes 9-speed DCT / MCT alongside the ECU?
Yes — and it's strongly recommended. The Mercedes 9G-Tronic (torque converter) and MCT (wet multi-clutch) transmissions have their own conservative factory calibration with throttle-cut behaviour during shifts, conservative torque limits, and slow launch control. A TCU tune improves shift speed, removes unnecessary torque cuts during gear changes, and makes the transmission respond more intuitively to the remapped engine. Without it, the gearbox becomes the weak link in what is otherwise a dramatically improved drivetrain.
What makes the M139 respond so well to tuning?
The M139 was engineered to be the world's most powerful production 2.0L engine, which means it was designed from the start to handle extreme cylinder pressures and thermal loads. The factory 310kW output is achieved with very conservative ignition timing and boost pressure relative to what the hardware can sustain — Mercedes deliberately left room in the calibration for both market differentiation and long-term durability targets across varied global fuel quality. On Australian 98 RON with a proper ECU tune, the M139 responds with exceptional consistency.