The Renault M9R 862 is a 2,188 cc, inline‑four turbo‑diesel engine produced between 2015 and 2018. It features a twin‑scroll variable geometry turbocharger (VGT), Bosch common‑rail direct injection (up to 1,800 bar), and a dual overhead camshaft (DOHC) 16‑valve layout. Output is rated at 133 kW (181 PS) with peak torque of 380 Nm, delivering responsive performance and strong low‑rpm pull for everyday drivability.
Fitted to models including the Talisman, Mégane IV, and…
All production years (2015–2018) meet Euro 6 standards .
The Renault M9R 862 is a 2,188 cc inline‑four turbo‑diesel engineered for mid‑size sedans and SUVs (2015–2018). It combines Bosch common‑rail injection with a twin‑scroll variable‑geometry turbocharger to deliver responsive low‑end torque and highway refinement. Designed to meet Euro 6 emissions standards, it balances performance with fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,188 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged (twin‑scroll VGT) | |
Bore × stroke | 88.0 mm × 90.0 mm | |
Power output | 133 kW (181 PS) | |
Torque | 380 Nm @ 1,750–2,750 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Twin‑scroll VGT (Garrett or BorgWarner) | |
Timing system | Chain (front‑mounted; durable design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 178 kg |
The Renault M9R 862 was used across Renault's Talisman, Mégane IV, and Koleos II platforms with longitudinal mounting and shared with Nissan for transverse applications in European markets. This engine received platform-specific adaptations—reinforced mounts in the Talisman and revised EGR routing in the Koleos II—and from 2017 the facelifted Mégane IV adopted updated fuel pump hardware, creating interchange limits. Partnerships allowed Nissan's dCi 180 variants to use identical M9R 862 units. 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 M9R 862 offers strong performance and refinement, but pre-2016 models are prone to high-pressure fuel pump failures if not maintained properly. Using Renault RN0720 oil and adhering to 15,000 km service intervals greatly improves longevity. Post-2016 revisions enhanced pump durability, making later examples more robust.
Key issues include Bosch CP4.2 fuel pump failure, EGR cooler coolant leaks (pre-2016), DPF regeneration faults from short trips, and turbo actuator sticking. These are well-documented in Renault Service Bulletin 6014A and DVSA emissions data.
The M9R 862 powered the Talisman, Mégane IV, and Koleos II from 2015–2018 in dCi 180 variants. Nissan also used it in the X-Trail (T32) and Qashqai (J11) as the dCi 180 engine during overlapping production years.
Aftermarket ECU tuning is common on the M9R-862 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 Talisman dCi 180, expect ~6.3 L/100km city and ~4.7 L/100km highway, or ~46 mpg UK combined. Real-world mixed driving typically returns 40–48 mpg (UK), depending on driving style and DPF regeneration cycles.
Yes. The M9R series is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain design is generally durable with proper maintenance.
Renault specifies SAE 5W-30 oil meeting RN0720 (ACEA C3) standard. This low-SAPS formulation protects the DPF and ensures adequate lubrication for the high-pressure fuel pump. Never use non-approved oils.
Comprehensive technical documentation and regulatory references
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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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