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Mercedes

A45 S

3.7s0–60 MPH
269TOP SPEED KPH
421HORSEPOWER

Notes

The AMG A45 S is a high-performance compact car developed by Mercedes-AMG, renowned for packing a punch despite its small size. It is powered by a hand-built 2.0-liter turbocharged inline-four engine, which is the most powerful four-cylinder production engine in the world. This engine produces an impressive 421 horsepower and 369 lb-ft of torque, allowing the A45 S to achieve a 0 to 60 mph time of just 3.9 seconds. It’s equipped with an eight-speed dual-clutch automatic transmission and AMG’s 4MATIC+ all-wheel-drive system, which includes a Drift Mode for a rear-wheel-drive experience.

The exterior features aggressive styling cues that set it apart, including a Panamericana grille, large air intakes, flared wheel arches, and quad exhaust tips. It sits on 19-inch alloy wheels, and the sporty aesthetic is matched by functional aerodynamic elements designed to enhance performance at high speeds.

Inside, the A45 S boasts a tech-forward cabin with premium materials and Mercedes-Benz’s MBUX infotainment system, complete with dual digital displays. The AMG Performance seats, steering wheel, and accents give the interior a racing-inspired look, while also offering customization through various drive modes and settings tailored to performance.

With advanced handling capabilities, including adaptive suspension and an electronically controlled limited-slip differential, the A45 S delivers exceptional cornering stability and control. This compact powerhouse appeals to drivers who desire supercar-like performance in a smaller, more practical package, making it one of the top contenders in the hot hatch market.

Rank
horsepower
421
WEIGHT KG
1,550
forced Induction
YES
Power to Weight
0.27
CURRENT VALUE
$62,500

OEM Specs

engine Description
2.0L turbo I4 (M139)
drive Type
AWD
0-60 MPH
3.7 SECs
TOP SPEED KPH
269
PRICE (MSRP) EUR
49,682 €
gearbox
8 DCT AMG SPEEDSHIFT
torque
499 N.M
Model Years
2019-2023

YEAR NOTES

2019: The A45 S debuted with a 2.0-liter turbocharged four-cylinder engine producing 415 horsepower and 369 lb-ft of torque. It featured an eight-speed dual-clutch automatic transmission and AMG's 4MATIC+ all-wheel-drive system, including a Drift Mode. The exterior showcased the Panamericana grille, aggressive air intakes, and quad exhaust tips. Inside, it offered the MBUX infotainment system with dual digital displays and AMG-specific enhancements.
2021: Mercedes-AMG introduced the A45 S Plus variant, which included additional features such as adaptive dampers, a panoramic roof, LED headlights, 19-inch wheels, leather electric seats, and a Burmester sound system. These enhancements aimed to provide a more luxurious and customizable driving experience.
2022: The A45 S received a mid-life facelift, featuring subtle styling updates like revised LED headlights and taillights, a reshaped grille, and more pronounced bonnet power bulges. The interior saw the introduction of a new steering wheel with touch-sensitive buttons and an updated MBUX infotainment system with improved graphics and functionality. Mechanically, the vehicle remained unchanged, retaining its powerful engine and performance capabilities.

Compare to

Popular Mercedes A45 S Mods by Level

From 4 documented builds

Medium

3 builds
Tires Yokohama Advan A0521· Yokohama Advan Neova AD091· Michelin Pilot Sport 4S1
Suspension KW Clubsport1· KW V31
Brakes Endless Brake Pads1· BM T-Plus1
Power/Tune Speed Addicted Stage 2 Tune1
Wheels Rays G271

Lap Times

Time Track Car Mod Driver Tire Lap Date Date Added vs Predict Pace
1:26.8 SM P C Autódromo Pedro Cofiño Medium 08 Jul, 2025 19 Jan, 2026 -2.43s +2.81%
2:12.7 SM Igora Drive (GP) Medium 09 Sep, 2022 27 Jan, 2024 -3.52s +2.66%
1:22.1 INTa Circuit Stock 15 Mar, 2022 03 Dec, 2022 -1.66s +1.99%
1:52.4 SM P Fuji International Speedway Medium 01 Apr, 2022 16 Nov, 2022 -1.94s +1.69%
1:39.8 SM P Smolensk Ring -Смоленск Ринг Medium 28 May, 2022 05 Oct, 2023 -0.84s +0.84%
1:40.6 Autódromo Miguel E. Abed Light 27 Jan, 2019 23 Jan, 2026 -0.81s +0.81%
1:34.9 Lausitzring (Short Course) Stock 23 Jun, 2020 22 Nov, 2022 -0.55s +0.58%
1:55.8 Fuji International Speedway Medium 21 Dec, 2023 04 Jan, 2024 -0.39s +0.34%
1:19.4 Collie Motorplex (Long) Stock 03 Aug, 2023 01 Feb, 2024 -0.01s +0.02%
1:54.4 Le Mans (Bugatti) Stock 08 Jun, 2020 17 May, 2022 +0.37s -0.33%
7:48.8 Nürburgring (Nordschleife) Stock 19 Mar, 2020 10 May, 2022 +2.57s -0.55%
1:42.0 Barber Motorsports Park Stock 10 Aug, 2020 31 Dec, 2022 +0.78s -0.77%
2:00.6 Moscow Raceway (GP10) Light 21 Jul, 2022 05 Oct, 2023 +1.49s -1.24%
1:23.3 Circuit de Nevers Magny-Cours (CW) Stock 23 Mar, 2020 29 Nov, 2021 +1.41s -1.71%
2:01.5 Moscow Raceway (GP10) Stock 10 Oct, 2021 10 Feb, 2022 +2.19s -1.81%
1:33.1 Tazio Nuvolari Circuit (CW) Stock 07 Sep, 2020 29 May, 2022 +1.91s -2.06%
1:38.5 Chengdu Tianfu International Circuit Medium 05 Nov, 2025 02 Dec, 2025 +2.08s -2.10%
2:34.8 Sepang International Circuit Stock 20 Jun, 2023 21 Nov, 2023 +4.29s -2.79%
1:55.1 Cremona Circuit (Current) Stock 06 Nov, 2024 25 Mar, 2026 +7.65s -6.71%

Top Modified A45 S

Year Driver Name Mod Horsepower Tire Tire Size Vs Predict
2020 (w/A050) 45 ojisan Medium 421 100 ADVAN A050 245/35/19 -4.39s
2020 (w/ANA) NoBoostLeaks Medium 431 200 Advan Neova AD09 245/35/19 -3.25s
2020 (w/A052) 45AMG RUS Medium 490 200 ADVAN A052 245/40/18 -2.5s
2020 KR Motos / Kuri Racing Light -1.28s
2020 (w/A052) Tami チャンネル Medium 421 200 ADVAN A052 245/35/19 -0.94s
2020 Christian Gebhardt Stock 421 60 P Zero™ Trofeo R 245/35/19 +0.78s
2020 Sunny Chen Stock +1.05s
2022 (ApxKilla/Mid/4S) ApxKilla Brian Medium 421 300 Pilot Sport 4S 255/35/19 +1.83s
2020 Tommy Maino Stock 421 300 Pilot Sport 4S 245/35/19 +2.97s
2020 (w/PS4S) Ultimate Garage MY Stock 421 300 Pilot Sport 4S 245/35/19 +4.09s
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