The Renault M9R 692 is a 2,148 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) 16 — valve design with a variable geometry turbocharger (VGT) and common rail direct injection. This configuration delivers 130 kW (177 PS) and 380 Nm of torque, with the VGT optimizing boost pressure across the rev range for strong low — end pull and sustained power.
Fitted to premium models like the Laguna III GT, Espace V, and Talism…
Production years 2010–2014 meet Euro 5 standards; 2015–2018 models meet Euro 6 compliance depending on market (VCA UK Type Approval #VCA/EMS/5679).
The Renault M9R 692 is a 2,148 cc inline‑four turbo‑diesel engineered for executive sedans and MPVs (2010-2018). It combines common‑rail direct injection with a variable‑geometry turbocharger to deliver strong, linear torque and refined cruising. Designed to meet Euro 5 and Euro 6 standards, it balances performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,148 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 88.0 mm × 88.3 mm | |
Power output | 130 kW (177 PS) @ 3,750 rpm | |
Torque | 380 Nm @ 2,000 rpm | |
Fuel system | Denso HP4 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 (2010–2014); Euro 6 (2015–2018) | |
Compression ratio | 15.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain-driven | |
Oil type | Renault RN0720 (SAE 5W‑30) | |
Dry weight | 185 kg |
The Renault M9R 692 was used across Renault's Laguna and Espace platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Espace for NVH refinement-and from 2015 the Talisman models featured minor ECU and emissions hardware updates for Euro 6 compliance, creating potential software interchange limits. All adaptations are documented in OEM technical bulletins.
The M9R 692's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel or with extended service intervals. Renault internal service data indicates this is a leading cause of no-start conditions for this engine, while owner feedback frequently cites associated fuel economy drops. Adherence to fuel quality standards and preventative maintenance is critical.
Analysis derived from Renault technical bulletins (2012-2018) and aggregated owner-reported failure data (2016-2024). 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 692 is a powerful and refined engine, but its long-term reliability hinges on meticulous maintenance. The high-pressure fuel pump is its Achilles' heel, particularly in pre-2014 models. With strict adherence to oil and fuel filter changes, and using high-quality diesel, these engines can be very durable and exceed 250,000 km without major issues.
The most frequent issues are high-pressure fuel pump failures (causing no-starts), EGR valve and cooler clogging (leading to rough running), DPF blockages (resulting in limp mode), and turbocharger wastegate sticking (causing boost issues). These are well-documented in Renault service information bulletins.
The M9R 692 2.2L diesel engine was used in the high-performance Laguna III GT (2010-2015), the fifth-generation Espace (2015-2018), and the Talisman sedan (2015-2018). It was positioned as the top-tier diesel option for these models during their respective production runs.
Yes, the M9R 692 has significant tuning potential. ECU remaps can safely increase power to 160-180 kW and torque to 420-450 Nm. The engine's robust internals and strong turbo can handle these gains. More aggressive tuning requires upgraded intercoolers and injectors to ensure reliability under increased stress.
Fuel economy is respectable for its performance. Expect around 8.5 L/100km in mixed driving and 6.0 L/100km on the highway, averaging 7.0-7.5 L/100km combined. This translates to roughly 38-40 mpg (UK) in real-world conditions, though aggressive driving or DPF issues can significantly reduce this figure.
Yes. The M9R 692 is an interference engine. If the timing chain were to fail or jump timing, the pistons would collide with the open valves, resulting in catastrophic internal engine damage that requires a complete rebuild or replacement.
Renault specifies a 5W-30 synthetic oil meeting the RN0720 standard. This low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is essential for protecting the DPF from clogging. Change intervals should not exceed 20,000 km or 12 months, whichever comes first, to maintain engine and emissions system health.
Comprehensive technical documentation and regulatory references
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RENAULT Official Site
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
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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
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