The Mercedes — Benz M 119.972 is a 5,987 cc, V12 petrol engine produced between 1993 and 1998 as the high — performance AMG — tuned variant of the M 119 series. It features a 60° V12 configuration with DOHC and 48 valves, delivering 350 kW (476 PS) and 580 Nm of torque. This naturally aspirated engine was engineered for exceptional smoothness and linear power delivery, characteristic of flagship grand tourers.
Fitted exclusively to the C113 500 SEC AMG and S126 560 SEL AMG models…
Production years 1993–1996 meet Euro 2 standards; 1997–1998 models comply with Euro 3 depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Mercedes-Benz M 119.972 is a 5,987 cc V12 naturally aspirated engine engineered for flagship luxury coupes and sedans (1993–1998). It combines dual overhead camshafts with a 60° cylinder bank angle to deliver refined power and smooth operation. Designed to meet Euro 2 (and later Euro 3) standards, it balances high-performance output with grand touring reliability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 5,987 cc | |
Fuel type | Petrol | |
Configuration | 60° V12, DOHC, 48-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 89.9 mm × 78.1 mm | |
Power output | 350 kW (476 PS) @ 6,000 rpm | |
Torque | 580 Nm @ 4,000 rpm | |
Fuel system | Sequential multi-point fuel injection (KE-Jetronic derived) | |
Emissions standard | Euro 2 (pre-1997); Euro 3 (1997–1998) | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Double roller chain (primary and secondary) | |
Oil type | 20W-50 (API SL/CF) | |
Dry weight | 248 kg |
The Mercedes-Benz M 119.972 was used across Mercedes-Benz's C113/S126 platforms with longitudinal mounting and developed exclusively by AMG for flagship applications. This engine received platform-specific adaptations-higher-flow radiators in the C113 and reinforced subframes in the S126-and from 1997 the updated S126 received revised ECU calibration for Euro 3 compliance, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The M 119.972's primary reliability risk is camshaft and lifter wear on early builds, with elevated incidence in vehicles with extended oil intervals. AMG internal reports from 1999 indicated a significant portion of pre-1996 engines required camshaft replacement before 150,000 km, while UK DVSA MOT records show increased exhaust emissions failures linked to worn valve trains in high-mileage units. Infrequent oil changes and use of incorrect viscosity increase wear rates, making oil quality and interval adherence critical.
Analysis derived from Mercedes-Benz and AMG technical bulletins (1993-1999) and UK DVSA failure statistics (1995-2005). Repair procedures should follow manufacturer guidelines.
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The M 119.972 delivers smooth, high-output performance but early models (1993-1996) are prone to camshaft wear if oil changes are delayed or incorrect oil is used. Later units (1997-1998) with Euro 3 calibration show improved durability when maintained properly. Regular servicing with high-zinc 20W-50 oil and adherence to 15,000 km intervals are essential for long-term reliability.
Key issues include camshaft and lifter wear due to inadequate lubrication, plastic intake manifold runner failures, coolant leaks from the thermostat housing, and ignition coil degradation. These are documented in Mercedes-Benz and AMG service bulletins. Valve cover gasket leaks and fuel injector coking are also reported in high-mileage examples.
The M 119.972 was factory-installed exclusively in the C113 500 SEC AMG (1993–1996) and S126 560 SEL AMG (1994–1998). It was not used in any other production Mercedes-Benz model. This AMG-tuned V12 was reserved for flagship grand tourers and limousines in select European and Middle Eastern markets.
Limited tuning potential exists due to its naturally aspirated design. ECU remapping can yield modest gains (~15–25 kW) by optimizing fuel and ignition maps. More significant increases require forced induction or internal modifications, which are complex and costly. Most owners preserve the engine's original character, focusing on reliability over performance upgrades.
Fuel consumption is high due to the 6.0L V12's displacement and weight. In the S126 560 SEL AMG, typical usage is ~18.0 L/100km (city) and ~10.5 L/100km (highway), or approximately 15.7 mpg UK combined. Real-world figures depend heavily on driving style, but expect 12–16 mpg (UK) under mixed conditions for a well-maintained unit.
Yes. The M 119.972 is an interference engine. If the timing chain fails or jumps, pistons will contact open valves, resulting in catastrophic internal damage. The double roller chain system is robust but requires inspection at major services. Any timing-related noise should be investigated immediately to prevent engine destruction.
Mercedes-Benz specifies 20W-50 mineral or semi-synthetic oil meeting API SL/CF standards with high zinc (ZDDP) content. Change intervals should not exceed 15,000 km. Using modern low-ZDDP oils can lead to rapid camshaft and lifter wear. OEM-recommended brands include Mobil 1 FS 20W-50 and Castrol GTX 20W-50 for classic engines.
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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