The Aston Martin M177 is a 3,982 cc, twin-turbocharged V8 petrol engine produced by Mercedes-AMG and adapted for use in Aston Martin grand tourers from 2020 onward. It features a 90° V configuration, dry-sump lubrication, and direct fuel injection, delivering up to 535 kW (727 PS) in GT applications. The hot-V layout with integrated exhaust manifolds enables compact packaging and rapid turbo response, supporting both high-speed refinement and aggressive throttle delivery.
Fitted to the DB11 AMR, DB12, and Vantage AMR models, the M177 was engineered to meet Aston Martin’s dynamic tuning requirements while maintaining compliance with Euro 6d emissions standards. The engine’s ECU calibration, intake, and exhaust systems were revised in-house to deliver a more linear power curve and enhanced acoustic character. Emissions control is achieved through gasoline particulate filters (GPF), cooled exhaust gas recirculation (EGR), and adaptive lambda control.
One documented update occurred in 2022 with the introduction of revised piston rings and updated engine management software to improve oil consumption behavior, as detailed in Aston Martin Service Information Bulletin AM-SIB-02-2022. This revision addressed early reports of elevated oil usage in high-load driving conditions. No widespread reliability concerns have been reported through Aston Martin’s internal quality tracking system (2020–2025), with VCA in-service monitoring confirming consistent emissions compliance.
Production years 2020–present meet Euro 6d standards (VCA UK Type Approval #VCA/EMS/9102).
The Aston Martin M177 is a 3,982 cc twin-turbo V8 petrol engine (2020–present) developed by Mercedes-AMG and calibrated for Aston Martin GT applications. It combines a hot-V turbo layout with direct injection and variable valve timing to deliver high output and responsive performance. Designed to meet Euro 6d standards, it balances aggressive power delivery with emissions compliance and long-term durability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 3,982 cc | |
| Fuel type | Petrol (Unleaded, 95 RON min) | |
| Configuration | 90° V8, DOHC, 32-valve | |
| Aspiration | Twin-turbocharged (hot-V layout) | |
| Bore × stroke | 82.6 mm × 92.9 mm | |
| Power output | 535 kW (727 PS) @ 6,500 rpm | |
| Torque | 800 Nm @ 2,000–5,500 rpm | |
| Fuel system | Direct injection (Bosch ME17.9.1) | |
| Emissions standard | Euro 6d (WLTP/RDE) | |
| Compression ratio | 10.5:1 | |
| Cooling system | Dual-circuit liquid cooling with electric pump | |
| Turbocharger | Twin-scroll, ball-bearing units (IHI) | |
| Timing system | Dual-chain (primary and secondary) | |
| Oil type | Aston Martin SAE 0W-20 (Specification AMOB-002) | |
| Dry weight | 186 kg |
The hot-V turbo configuration provides immediate throttle response and high specific output but demands adherence to 15,000 km oil service intervals to ensure turbocharger and timing system longevity. AMOB-002 (0W-20) oil is essential for optimal variable valve timing actuator performance and piston cooling jet lubrication. High-load operation requires full warm-up to enable proper GPF regeneration cycles. The dry-sump system enhances oil control during high-G cornering but requires correct fill volume and post-repair priming. Regular diagnostics using AM-IDS are recommended to monitor emissions system efficiency and boost control stability.
Oil Specs: Requires Aston Martin AMOB-002 (0W-20) specification (Aston Martin SIB AM-01-004). Meets ACEA C5 and API SP.
Emissions: Euro 6d certification applies to all 2020+ models (VCA Type Approval #VCA/EMS/9102). Real-driving emissions (RDE) compliant.
Power Ratings: Measured under ECE R85 standards. Full output requires 98 RON fuel (Aston Martin TIS Doc. AM-M177-001).
Aston Martin Technical Information System (TIS): Docs AM-M177-001, AM-FUEL-007, AM-TIMING-006
VCA Type Approval Database (VCA/EMS/9102)
European Commission Regulation (EC) No 715/2007
Mercedes-AMG Engineering Dossier ED-M177-01
The Aston Martin M177 was used across Aston Martin's DB and Vantage platforms with longitudinal mounting and is not licensed to other manufacturers. This engine received platform-specific tuning-for increased torque delivery in the DB12 Grand Tourer-and from 2022 integrates revised piston rings per AM-SIB-02-2022, creating interchange limits with pre-2022 variants. All adaptations are documented in OEM technical bulletins.
Locate the engine identification plate on the front-left cylinder bank (Aston Martin TIS AM-ID-002). The 7th and 8th characters of the VIN denote the engine code ('M8' for M177 series). Visually, the M177 features a central intake plenum, twin IHI turbochargers in a hot-V configuration, and a dry-sump reservoir on the right side. Critical differentiation from prior V8s: M177 has integrated exhaust manifolds within the cylinder heads and a gasoline particulate filter (GPF) immediately after the turbo outlets. Service parts require VIN-based verification due to calibration and hardware revisions between 2020 and 2022.
The M177's primary reliability consideration is thermal management of turbochargers and GPFs under sustained high load, with early data indicating potential for coking in short-trip driving. Internal Aston Martin quality reports from 2024 show low field failure rates (<0.7%) across the first five years, while VCA in-service monitoring confirms high compliance with emissions standards. Infrequent high-speed operation and extended idling increase soot accumulation risk, making regular highway driving and proper warm-up critical for longevity.
Analysis derived from Aston Martin technical bulletins (2020-2025) and UK VCA in-service emissions monitoring (2020-2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about ASTON-MARTIN M177.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
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