The Renault S8U 762 is a 2,148 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivers 96 kW (130 PS) and 320 Nm of torque, with higher — output variants reaching 120 kW (163 PS) and 380 Nm.
Fitted to models such as the Mégane III, Scénic III, and Koleos, including the dCi 130 and dCi 160 trims, the S8U 762 was engineered f…
All production years 2010–2018 meet Euro 5 standards .
The Renault S8U 762 is a 2,148 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2010–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 5 standards, it balances everyday performance with economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,148 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 85.0 mm × 95.0 mm | |
Power output | 96–120 kW (130–163 PS) | |
Torque | 320–380 Nm @ 1,750–2,500 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 | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain (front‑mounted) | |
Oil type | Renault RN0720 (SAE 5W‑30) | |
Dry weight | 168 kg |
The Renault S8U 762 was used across Renault's Mégane III/Scénic III platforms with transverse mounting and licensed to Nissan for shared CMF platform applications. This engine received platform-specific adaptations—reinforced mounts in the Koleos and revised intake manifolds in the Laguna III—and from 2013 the facelifted Mégane III Phase 2 adopted updated HPFP and ECU calibrations, creating interchange limits. Partnerships allowed Nissan's dCi 160 units to share core architecture. 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 S8U 762 offers strong torque and refinement, but early models (2010–2012) are prone to HPFP failures. Post-2013 revisions significantly improved fuel system durability. With consistent use of EN 590 diesel, regular oil changes (15,000 km), and proper DPF management, well-maintained examples can exceed 200,000 km reliably.
Top issues include high-pressure fuel pump failure (pre-2013), EGR/DPF clogging from short trips, turbo actuator sticking, and occasional injector leaks. These are documented in Renault SIB 6012A and DVSA emissions data. Fuel quality and service intervals heavily influence longevity.
The S8U 762 powered the Mégane III (dCi 130/160), Scénic III, Koleos, and Laguna III from 2010–2016. Nissan also used it in the Qashqai and X-Trail (dCi 160) under their alliance agreement. All meet Euro 5 emissions and feature transverse mounting.
Aftermarket ECU tuning is common on the S8U-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.
In a Mégane dCi 130, expect ~5.8 L/100km (city) and ~4.3 L/100km (highway), or ~49 mpg UK combined. The dCi 160 variant averages 5.0–5.5 L/100km (51–56 mpg UK) on mixed routes. Real-world economy depends heavily on DPF regeneration cycles and driving style.
Yes. The S8U 762 is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. While chain failures are rare, any unusual noise or timing-related DTCs require immediate inspection.
Renault specifies 5W-30 synthetic oil meeting RN0720 (or ACEA C3 equivalent). Always use low-SAPS oil to protect the DPF and turbo. Change intervals should not exceed 15,000 km or 12 months to maintain HPFP and chain lubrication.
Comprehensive technical documentation and regulatory references
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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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