The Renault S8U 772 is a 2,298 cc, inline‑four turbo‑diesel engine produced between 2013 and 2018. It features a high-pressure common‑rail fuel system, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivers 110 kW (150 PS) and 360 Nm of torque, with strong mid‑range pull suitable for midsize and SUV applications.
Fitted to models such as the Laguna III, Latitude, and Espace IV, including variants like the dCi 150, the S8U 772 was engineered for refined cruising and towing capability. Emissions compliance was achieved through cooled exhaust gas recirculation (EGR), a diesel oxidation catalyst (DOC), and a diesel particulate filter (DPF), meeting Euro 5b standards from launch.
One documented concern is premature wear of the high-pressure fuel pump drive mechanism, highlighted in Renault Service Bulletin 13B001. This issue stems from marginal lubrication under frequent cold starts. From early 2015, Renault implemented revised pump drive components to enhance durability.
All production years 2013–2018 meet Euro 5b standards (VCA UK Type Approval #VCA/EMS/4321).
The Renault S8U 772 is a 2,298 cc inline‑four turbo‑diesel engineered for midsize sedans and MPVs (2013–2018). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver responsive mid‑range torque and stable highway performance. Designed to meet Euro 5b, it balances towing capacity with urban drivability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,298 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 85.0 mm × 101.0 mm | |
| Power output | 110 kW (150 PS) | |
| Torque | 360 Nm @ 1,750 rpm | |
| Fuel system | Bosch CP3 common‑rail (up to 1,800 bar) | |
| Emissions standard | Euro 5b | |
| Compression ratio | 15.8:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (Garrett) | |
| Timing system | Chain (front‑mounted) | |
| Oil type | Renault RN0700 (SAE 5W‑40) | |
| Dry weight | 165 kg |
The S8U 772 provides strong towing torque and stable highway performance but requires strict adherence to 20,000 km oil change intervals to protect the Bosch CP3 high-pressure fuel pump. Renault RN0700 (5W-40) oil is critical due to its high-temperature stability and soot-handling properties. Frequent cold starts without warm-up increase fuel dilution and pump wear. Post-2015 models include a reinforced pump drive per Renault SIB 13B001. DPF regeneration cycles must complete uninterrupted to avoid limp mode and excessive backpressure.
Oil Specs: Requires Renault RN0700 (5W-40) specification (Renault SIB 13B001). Equivalent to ACEA B4.
Emissions: Euro 5b applies to all 2013–2018 models (VCA Type Approval #VCA/EMS/4321).
Power Ratings: Measured under UN ECE R85 standards. Output validated on EN 590 ultra-low-sulfur diesel (Renault TIS M2298‑D).
Renault Technical Information System (TIS): Docs M2298-A, M2298-B, M2298-C, SIB 13B001
VCA Type Approval Database (VCA/EMS/4321)
UN Regulation No. 85 (Engine Power Measurement)
The Renault S8U 772 was used across Renault's D platform with longitudinal mounting. This engine received platform-specific adaptations—reinforced engine mounts in the Espace IV and revised exhaust routing in the Latitude—and from 2015 the updated Laguna III Phase 2 adopted minor ECU and pump revisions, creating limited interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the left side of the block near the starter motor (Renault TIS M2298-F). The 7th VIN digit indicates engine family ('U' for S8U series). All S8U 772 units feature silver valve covers and a Garrett VGT with external actuator. Critical differentiation from S8U 770: S8U 772 uses Bosch EDC17C49 ECU with OBD2 port under dash; S8U 770 uses EDC16C39. Fuel pump drive components changed after production date 03/2015—verify part numbers before replacement (Renault SIB 13B001).
The S8U 772's primary reliability risk is high-pressure fuel pump drive wear, with elevated incidence in frequent cold-start usage. Renault internal quality data from 2016 indicated a measurable uptick in pump-related warranty claims before 100,000 km in fleet vehicles, while UK DVSA MOT records show DPF-related failures as the second-most common diesel issue for this engine. Short trips and incomplete regenerations accelerate carbon and soot accumulation, making oil quality and driving pattern critical.
Analysis derived from Renault technical bulletins (2014–2018) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT S8U-772.
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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