The Renault M9R 762 is a 2,188 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features a cast iron block, aluminium cylinder head, and double overhead camshafts (DOHC) with 16 valves. Equipped with common — rail direct injection, a variable geometry turbocharger (VGT), and a diesel particulate filter (DPF), it delivered approximately 130 kW (177 PS) and 380 Nm of torque, balancing performance with Euro 5 compliance.
Fitted primarily to the Mégan…
Production years 2010–2018 meet Euro 5 standards for light-duty vehicles (EU Regulation (EC) No 715/2007).
The Renault M9R 762 is a 2,188 cc inline‑four turbo‑diesel engineered for compact and mid-size vehicles (2010-2018). It combines common-rail direct injection with a variable geometry turbocharger to deliver strong low-end torque and refined high-RPM performance. Designed to meet Euro 5 emissions standards, it integrates EGR and DPF systems for regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,188 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 84.0 mm × 98.5 mm | |
Power output | 130 kW (177 PS) @ 3,750 rpm | |
Torque | 380 Nm @ 2,000 rpm | |
Fuel system | Bosch CP4.2 common-rail (up to 1,800 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Variable geometry turbo (VGT, Garrett) | |
Timing system | Chain-driven (front-mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 202 kg |
The Renault M9R 762 was used across Renault's Mégane III, Scénic III, Laguna III, and Koleos platforms with transverse mounting. This engine received minor platform-specific adaptations—such as different engine mounts or exhaust manifolds—but no major facelift revisions affecting core compatibility during its production run. 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 Renault technical bulletins (2010-2018) and EU emissions compliance data (2010-2018). 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 M9R 762 offers strong performance and refinement but has known vulnerabilities in the high-pressure fuel pump drive and DPF system. Engines used primarily for longer journeys with proper oil (RN0720 5W-30) and high-quality diesel can exceed 250,000 km reliably. Urban-driven examples require extra vigilance on regeneration cycles and oil changes.
The top issues are CP4.2 high-pressure fuel pump drive wear, DPF clogging due to short-trip driving, EGR valve/cooler fouling, and timing chain tensioner wear. These are well-documented in Renault Technical Notes TN 1422 and TN 1501, with specific service campaigns for early production units.
The M9R 762 powered the higher-output dCi 175 variants of the Mégane III (2010–2016), Scénic III (2010–2016), Laguna III (2010–2015), and Koleos (2010–2018). It was the performance diesel option in Renault’s Euro 5 lineup, delivering 177 PS and 380 Nm across these platforms.
Aftermarket ECU tuning is common on the M9R-762 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Real-world fuel economy ranges from 6.5–7.5 L/100km (43–38 mpg UK) combined in mixed driving. Highway cruising can achieve 5.5–6.0 L/100km (51–47 mpg UK), while urban use may exceed 8.5 L/100km (33 mpg UK). DPF regeneration cycles can temporarily increase consumption by 1–2 L/100km.
Yes. The M9R 762 is an interference engine. If the timing chain jumps or fails, piston-to-valve contact will occur, causing severe internal damage. Regular oil changes with correct specification oil and monitoring for chain rattle are essential to prevent catastrophic failure.
Renault specifies a synthetic 5W-30 oil meeting ACEA C3 and Renault RN0720 standards. This low-SAPS formulation protects the DPF and ensures proper lubrication of the timing chain and fuel pump drive. Extended drain intervals beyond 20,000 km are not recommended.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
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
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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