The Renault M9R 824 is a 1,995 cc, inline‑four turbo‑diesel engine produced between 2008 and 2018. Developed jointly with Nissan and used across Renault’s premium and commercial vehicle lines, it features a common‑rail fuel system, variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 96 kW (130 PS), with higher — output variants reaching 110 kW (150 PS) and torque figures of 320–360 Nm.
Fitted to models such as the Lagun…
Production years 2008–2014 meet Euro 5 standards; 2015–2018 models may have Euro 6 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Renault M9R 824 is a 1,995 cc inline‑four turbo‑diesel engineered for mid‑size passenger and MPV platforms (2008–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver smooth low‑end torque and efficient highway cruising. Designed to meet Euro 5 (and select Euro 6) standards, it balances performance with economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,995 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 84.0 mm × 90.0 mm | |
Power output | 96–110 kW (130–150 PS) | |
Torque | 320–360 Nm @ 1,750–2,500 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 (pre‑2015); Euro 6 depending on market | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett or BorgWarner) | |
Timing system | Chain (front‑mounted) | |
Oil type | Renault RN0720 (ACEA C3, SAE 5W‑30) | |
Dry weight | 168 kg |
The Renault M9R 824 was used across Renault's Laguna III, Mégane III, and Espace IV platforms with transverse mounting and shared with Nissan for longitudinal applications in European and global markets. This engine received platform-specific adaptations—reinforced engine mounts in the Espace and revised intake manifolds in the Scénic—and from 2015 the facelifted Mégane IV adopted the M9R Gen 3 with updated emissions hardware, creating interchange limits. Partnerships enabled Nissan's dCi 130/150 variants in Qashqai and X-Trail. All adaptations are documented in OEM technical bulletins.
The M9R 824's primary reliability risk is dual-mass flywheel (DMF) degradation, with elevated incidence in urban stop-start use. Renault internal quality reports from 2013 noted a significant share of dCi 130/150 vehicles requiring DMF replacement before 150,000 km, while UK DVSA MOT data links drivetrain vibration complaints to this component in high-mileage examples. Frequent short trips and aggressive driving accelerate wear, making timely replacement with updated OEM parts critical.
Analysis derived from Renault technical bulletins (2010–2016) and UK DVSA failure statistics (2015–2023). 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 824 offers strong torque and refinement, but early models (2008–2014) are prone to dual-mass flywheel failure. Later revisions (post-2015) improved durability with updated components. Regular oil changes using RN0720 5W-30 and avoiding short trips greatly enhance longevity.
Top issues include dual-mass flywheel degradation, CP4.2 high-pressure fuel pump wear, EGR clogging, and turbo actuator sticking. These are well-documented in Renault service bulletins NTM 08‑112 and NTM 07‑045, especially in high-mileage or urban-driven vehicles.
The M9R 824 powered the Laguna III, Mégane III, Scénic III, and Espace IV (2008–2016) in dCi 130 and dCi 150 forms. It was also used by Nissan in the Qashqai (J10) and X-Trail (T31) from 2010–2014 under joint-engineering agreements.
Yes. ECU remaps typically yield +20–30 kW safely on stage 1, as the internals handle torque well. However, the CP4.2 pump and DMF are weak points under increased load. Supporting upgrades (intercooler, downpipe) and strict oil/fuel quality are essential to avoid premature wear.
Excellent for its era. In a Mégane III dCi 130, expect ~5.8 L/100km city and ~4.3 L/100km highway, or ~52 mpg UK combined. Real-world mixed driving typically returns 48–55 mpg (UK), assuming good maintenance and EN 590 diesel.
Yes. The M9R series is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. While chain issues are rare, any timing-related fault codes or unusual noises warrant immediate inspection.
Renault specifies SAE 5W-30 oil meeting RN0720 (ACEA C3) standard. Always use a low-SAPS synthetic oil and change every 20,000 km or annually to protect the DPF, turbo, and high-pressure fuel system.
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
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
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Vehicle Certification Agency (VCA)
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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.
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