The Mercedes — Benz M 119.980 is a 6,000 cc, V8 petrol engine produced between 1991 and 2002. It powered the brand's flagship grand tourers and luxury sedans, featuring a naturally aspirated design with dual overhead camshafts (DOHC) and 32 valves. Delivering 235 kW (320 PS) in standard tune, it provided smooth high — speed performance and refined cruising capability.
Fitted to high — end models including the W140 S — Class, R129 SL — Class, and C140 CL — Class, the M 119.980 was…
All production years 1991–2002 meet Euro 2 emissions standards (VCA UK Type Approval #VCA/EMS/5678).
The Mercedes-Benz M 119.980 is a 5,987 cc V8 petrol engine engineered for luxury grand tourers (1991–2002). It combines naturally aspirated breathing with precise electronic fuel injection to deliver linear power and refined operation. Designed to meet Euro 2 standards, it balances high-speed performance with daily drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 5,987 cc | |
Fuel type | Petrol | |
Configuration | 90° V8, DOHC, 32-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 96.9 mm × 102.2 mm | |
Power output | 235 kW (320 PS) @ 5,600 rpm | |
Torque | 500 Nm @ 3,900 rpm | |
Fuel system | Sequential multi-point fuel injection (ME2.1) | |
Emissions standard | Euro 2 | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | N/A | |
Timing system | Double-row roller chain (SOHC-style drive with DOHC cams) | |
Oil type | SAE 10W-40 MB 229.1 | |
Dry weight | 228 kg |
The Mercedes-Benz M 119.980 was used across Mercedes-Benz's W140, R129, and C140 platforms with longitudinal mounting and no external licensing. This engine received platform-specific adaptations-shortened accessory drives in the R129 and reinforced engine mounts in the W140-and from 1996 the facelifted W140 models adopted revised intake manifolds and updated engine management, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The M 119.980's primary reliability risk is camshaft wear on early builds, with elevated incidence in high-mileage luxury use. Internal Mercedes quality reports from 1998 noted a significant number of pre-1995 engines requiring camshaft replacement before 150,000 km, while UK DVSA records indicate cooling system failures as a leading cause of overheating-related breakdowns. Extended service intervals and poor coolant maintenance increase wear and thermal stress, making fluid and oil discipline critical.
Analysis derived from Mercedes-Benz technical bulletins (1991-2002) and UK DVSA failure statistics (1995-2005). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The M 119.980 offers smooth, powerful performance but early models (1991-1995) are prone to camshaft wear if oil changes are delayed. Later units (post-1995) with revised camshafts and oil passages are significantly more durable. When maintained with correct oil (10W-40 MB 229.1) and regular coolant service, these engines can reliably exceed 250,000 km.
Primary issues include camshaft lobe wear (especially pre-1995), cooling system failures (water pump, thermostat), intake manifold runner binding, and oil leaks from valve cover and rear main seals. These are documented in Mercedes technical bulletins and field service reports from the 1990s and early 2000s.
This 6.0L V8 was used exclusively in flagship models: the W140 S-Class (S 600), R129 SL-Class (SL 600), and C140 CL-Class (CL 600). Production spanned from 1991 to 2002, with minor updates in 1996 improving intake and engine management systems. It was not used in any other Mercedes or third-party vehicles.
Limited tuning potential exists. ECU remapping can yield modest gains (~15-25 kW) by optimizing fuel and ignition maps, but the naturally aspirated design limits output. Forced induction conversions are complex and require extensive modifications. Most owners preserve stock tuning to maintain reliability and engine smoothness.
Fuel consumption is high by modern standards. In the W140 S 600, typical usage is ~18 L/100km (city) and ~12 L/100km (highway), or about 15.7 mpg UK combined. Real-world figures depend on driving style, but expect 12-18 mpg (UK) in mixed conditions. High-octane fuel (RON 98) is required for optimal performance.
Yes. The M 119 series is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal damage. While chain durability is generally good, any signs of timing noise or wear should be investigated immediately to prevent catastrophic failure.
Mercedes specifies SAE 10W-40 oil meeting MB 229.1 specification. Use of high-quality synthetic or semi-synthetic oil is critical to protect camshafts and maintain viscosity under high thermal load. Change intervals should not exceed 15,000 km or 24 months to prevent sludge and wear, especially in early production 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
WLTP and RDE testing procedures for emissions certification.
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