Mercedes-AMG
A45 S / CLA45 S
The ultimate in performance upgrades
Peak power
373 kW
Peak torque
610 Nm
Mercedes-AMG A45 S & CLA45 S
The Mercedes-AMG A45 S and CLA45 S share AMG’s M139 2.0-litre turbocharged four-cylinder, 4MATIC+ all-wheel drive and the same official 310 kW / 500 Nm factory output. DMS Stage 1 engine and gearbox calibration lifts both models to approximately 373 kW and 610 Nm, with sharper response, substantially stronger mid-range performance, switchable power by driving mode and enhanced exhaust character tailored to the vehicle.
The DMS Automotive tune lifts the Mercedes-AMG A45 S & CLA45 S to 373 kW and 610 Nm—gains of 63 kW and 110 Nm over the standard output.
Performance gains
What you gain
Power
+63+84+86
kilowattsbrake horsepowermetric horsepower
310 kW416 bhp421 PS → 373 kW500 bhp507 PS +20.3%
Torque
+110
newton metres
500 Nm → 610 Nm +22.0%
Standard vs DMS
standard dms gain
Power
Torque
Stage 1 · measured figures
| Stage 1 | Standard | DMS | Gain | |
|---|---|---|---|---|
| Power | 310 kW416 bhp421 PS | → | 373 kW500 bhp507 PS | +63 kW+84 bhp+86 PS |
| Torque | 500 Nm | → | 610 Nm | +110 Nm |
Displaying kWbhpPS · Power figures rounded to the nearest whole unit
Dyno result – Proven on the rollers
Dashed · factory quoted | Solid · post-DMS
Gallery – In the workshop
Mercedes-AMG A45 S & CLA45 S videos
DMS CLA45 S 500 BHP – engine and gearbox remap
DMS CLA45 S
Applications
- Mercedes-AMG A45 S 4MATIC+ (W177) – 2.0-litre turbocharged four-cylinder – 2019–2026
- Mercedes-AMG CLA45 S 4MATIC+ Coupe (C118) – 2.0-litre turbocharged four-cylinder – 2019–2025
- Mercedes-AMG CLA45 S 4MATIC+ Shooting Brake (X118) – 2.0-litre turbocharged four-cylinder – 2019–2025
Vehicle specification and ECU compatibility will be confirmed before installation.
About DMS
DMS Automotive has been unleashing automotive performance tuning since 1997. Through extensive development, rigorous testing and a relentless focus on quality, DMS has built an enviable reputation for producing some of the world’s most sought-after performance upgrades. See DMS-tuned vehicles featured on Top Gear, Fifth Gear, CarWow and Superfast.
Harding Performance is the Australian distributor for DMS Automotive, bringing DMS’ proven performance calibrations to the Australian market. DMS Automotive performance tuning is available through Harding Performance in Brisbane or nationwide through our authorised dealer network.
Find a distributor → View the Mercedes-AMG A45 S & CLA45 S upgrade on DMS Automotive →