The Mercedes — Benz M 152.980 is a 6,208 cc, naturally aspirated V8 petrol engine produced between 2012 and 2017. It powered high — performance AMG models including the C 63 AMG, E 63 AMG, and SLS AMG, delivering 350 kW (476 PS) and 600 Nm of torque. Featuring a 90° V8 configuration, DOHC 32 — valve layout, and direct fuel injection, it was the final evolution of Mercedes — AMG's naturally aspirated V8 lineage before transitioning to turbocharging.
Fitted exclusively to perform…
All production years 2012–2017 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/8901).
The Mercedes-Benz M 152.980 is a 6,208 cc 90° V8 naturally aspirated engine developed for high-performance AMG applications (2012–2017). It combines dual overhead camshafts and 32-valve architecture with direct fuel injection to deliver high-revving power and track-focused responsiveness. Designed to meet Euro 5 emissions standards, it represents the peak of Mercedes-AMG's naturally aspirated V8 engineering.
| Parameter | Value | Source |
|---|---|---|
Displacement | 6,208 cc | |
Fuel type | Petrol | |
Configuration | 90° V8, DOHC, 32-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 102.2 mm × 94.6 mm | |
Power output | 350 kW (476 PS) @ 6,800 rpm | |
Torque | 600 Nm @ 5,250 rpm | |
Fuel system | Direct fuel injection (up to 150 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 12.3:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Double-row roller chain (front-mounted) | |
Oil type | 5W-40 MB 229.5 | |
Dry weight | 200 kg |
The Mercedes-Benz M 152.980 was used across Mercedes-Benz's W204/W212/C197 platforms with longitudinal mounting and no licensed external applications. This engine received platform-specific adaptations-reinforced engine mounts in the W204 and revised intake manifolds in the W212-and from 2015 the facelifted W205 adopted the M177 twin-turbo V8, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The M 152.980's primary reliability risk is exhaust camshaft wear on early builds, with elevated incidence in track or high-RPM use. Internal Mercedes-Benz service data from 2014 reported a notable share of pre-2014 engines requiring camshaft replacement before 120,000 km, while UK DVSA records link a significant portion of emissions-related MOT failures to catalytic converter degradation in city-driven vehicles. High-temperature cycles and extended idling increase cam and lifter stress, making oil quality and interval adherence critical.
Analysis derived from Mercedes-Benz technical bulletins (2012-2017) and UK DVSA failure statistics (2014-2020). Repair procedures should follow manufacturer guidelines.
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The M 152.980 offers exceptional performance and robust construction, but early models (2012–2013) are prone to exhaust camshaft wear. Later revisions (post-2014) improved durability with updated materials and oil flow. When maintained properly—especially with timely oil changes using 5W-40 MB 229.5 oil—these engines can exceed 200,000 km. Regular inspection of intake manifolds and ignition components is advised.
The most documented issues are exhaust camshaft wear (causing ticking noises), intake manifold vacuum leaks, ignition coil failures, and coolant leaks from thermostat housing. These are confirmed in Mercedes-Benz service bulletins. Carbon buildup on intake valves is common due to direct injection. Emissions components like catalytic converters are prone to degradation in short-trip usage.
This 6.2L naturally aspirated V8 was used exclusively in AMG performance models: the W204 C 63 AMG (2012–2014), W212 E 63 AMG (2012–2016), C218 CLS 63 AMG (2012–2017), and C197 SLS AMG GT Final Edition (2013–2014). It was not used in any smaller platforms or licensed to other manufacturers. All applications featured rear-wheel drive with 7G-TRONIC PLUS automatic transmission.
Limited tuning potential exists due to naturally aspirated design and ECU constraints. ECU remapping can yield +20–40 kW by optimizing fuel and ignition maps, but gains are modest. Aftermarket upgrades like performance exhaust, high-flow cats, and cold-air intakes offer marginal improvements. Forced induction conversions are complex and not OEM-supported. Stock internals are robust but not designed for significant power increases.
Fuel consumption is high for a performance V8. In an E 63 AMG, typical usage is ~15.0 L/100km (city) and ~9.0 L/100km (highway), or approximately 18.8 mpg UK combined. Real-world figures depend heavily on driving style, but expect 14–18 mpg (UK) under mixed conditions. The engine requires premium unleaded (RON 98) for optimal performance and knock prevention.
Yes. The M 152 series is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal damage. The front-mounted double-row chain is robust but tensioner wear can occur. Any unusual front-end noise should be investigated immediately to prevent catastrophic failure.
Mercedes-Benz specifies 5W-40 oil meeting MB 229.5 standard. This high-performance synthetic ensures proper camshaft and bearing protection under load. Oil must be changed every 15,000 km or annually to prevent sludge and component wear. Using incorrect viscosity or non-compliant oil can accelerate camshaft failure and void historical warranty claims.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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