The Mercedes — Benz M113.942 is a 3,199 cc, V6 petrol engine produced between 1999 and 2002. It features a 24 — valve DOHC configuration with sequential multi — point fuel injection (ME — SFI) and was engineered for mid — size luxury applications. This naturally aspirated design delivers 160 kW (218 PS) at 5,500 rpm and 310 Nm of torque at 3,000 rpm, providing strong mid — range performance and smooth throttle response.
Fitted primarily to the W210 E — Class and C208 CLK models—in…
Production years 1999–2002 meet Euro 3 standards .
The Mercedes-Benz M113.942 is a 3,199 cc V6 naturally aspirated petrol engine engineered for mid-size luxury vehicles (1999–2002). It combines 24-valve DOHC architecture with sequential fuel injection to deliver smooth power delivery and dependable performance. Designed to meet Euro 3 emissions standards, it balances refinement with responsive drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,199 cc | |
Fuel type | Petrol (Unleaded, 95 RON min) | |
Configuration | V6, DOHC, 24-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 88.0 mm × 87.0 mm | |
Power output | 160 kW (218 PS) @ 5,500 rpm | |
Torque | 310 Nm @ 3,000 rpm | |
Fuel system | Sequential multi-point fuel injection (ME-SFI) | |
Emissions standard | Euro 3 | |
Compression ratio | 10.7:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Double-row roller chain (non-interference design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 192 kg |
The Mercedes-Benz M113.942 was used across Mercedes-Benz's W210/C208 platforms with longitudinal mounting and shared architecture with Renault in select applications. This engine received platform-specific adaptations-revised intake manifolds in the E-Class and tuned engine mounts in the CLK-and from 2000 the facelifted W210 models adopted revised camshafts, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The M113.942 offers solid reliability when maintained properly, though pre-2000 models are prone to camshaft wear. Later revisions (post-2000) with hardened camshafts significantly improved durability. Regular oil changes with MB 229.3 (10W-40) specification oil and timely lambda sensor replacement are essential for long-term operation. Well-maintained units can exceed 200,000 km.
Key issues include camshaft lobe wear (especially pre-2000), lambda sensor degradation, intake carbon buildup, and coolant leaks from the thermostat housing. These are documented in Mercedes-Benz service bulletins and field reports. Preventative maintenance greatly reduces the risk of major repairs.
The M113.942 was used in the W210 E-Class (E320) and C208 CLK-Class (CLK320) from 1999–2002. It was not licensed to other manufacturers. All applications meet Euro 3 emissions standards.
Tuning potential is limited due to its naturally aspirated design and non-interference valvetrain. ECU remaps offer minimal gains. Performance upgrades typically involve induction, exhaust, and camshaft modifications. However, such modifications are rare and may compromise reliability if not properly engineered.
In the E320 (W210), typical consumption is ~12.5 L/100km (city) and ~7.2 L/100km (highway), or about 31 mpg UK combined. Real-world figures vary with driving style, but expect 28–34 mpg (UK) on mixed roads for a well-maintained engine. Fuel quality (EN 228) is essential for consistent economy.
No. The M113.942 uses a non-interference valvetrain design. If the timing chain fails, the pistons will not contact the valves, preventing catastrophic engine damage. However, chain replacement is still recommended at 180,000 km or as per service schedule to maintain reliability.
Mercedes-Benz specifies SAE 10W-40 oil meeting MB 229.3 standard. This high-quality synthetic blend is essential for protecting cam lobes and ensuring longevity. Oil changes should be performed every 15,000 km or annually to prevent wear and maintain performance.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
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.
GOV.UK: Vehicle Approval
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VCA Certification Portal
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