The Renault M9R 809 is a 2,188 cc, inline‑four turbo‑diesel engine produced between 2015 and 2018. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form, it delivered 130 kW (177 PS), providing enhanced performance while maintaining strong low — end torque for versatile driving.
Fitted primarily to the Renault Talisman and Espace V, the M9R 809 was engineered for executive refinement, hi…
Production years 2015–2018 meet Euro 6 standards .
The Renault M9R 809 is a 2,188 cc inline‑four turbo‑diesel engineered for executive sedans and MPVs (2015-2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver enhanced power and efficient cruising. Designed to meet Euro 6 standards, it balances performance with modern emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,188 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 85.0 mm × 97.0 mm | |
Power output | 130 kW (177 PS) | |
Torque | 380 Nm @ 2,000 rpm | |
Fuel system | Bosch CP3 common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 15.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain | |
Oil type | Renault RN0700 (SAE 5W‑30) | |
Dry weight | 185 kg |
The Renault M9R 809 was used exclusively across Renault's D-segment platforms with transverse mounting. This engine received minor platform-specific adaptations-primarily in engine mount geometry for the Espace V-but remained largely consistent. 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The M9R 809 can be reliable with meticulous maintenance, but it has a known weakness in its turbocharger actuator, particularly in cars used for short trips. Longevity is greatly improved by using pristine fuel, the correct RN0700 oil, and ensuring regular highway driving to keep the DPF and turbo actuator clean.
The most frequent issues are turbocharger actuator failure, DPF clogging, EGR system clogging, and (less commonly) high-pressure fuel pump wear. Actuator problems are often linked to driving patterns, while DPF issues stem from the same cause. These are covered in Renault service documentation.
The M9R 809 engine was used in the Renault Talisman (2015-2018) and the Renault Espace V (2015-2018), specifically in the dCi 175 variants. It was not used in any other Renault models or licensed to other manufacturers during its production run.
Aftermarket ECU tuning is common on the M9R-809 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.
Good for its power output. In a Renault Talisman dCi 175, expect real-world figures of approximately 7.0 L/100km (city) and 5.2 L/100km (highway), translating to roughly 44 mpg UK combined. Its strong torque makes it efficient for highway cruising, though city economy is impacted by its larger size and power.
Yes. The M9R 809 is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing significant and expensive internal engine damage. Fortunately, the chain is generally robust if serviced correctly.
Renault mandates the use of RN0700 specification oil, typically a 5W-30 synthetic. Using this specific oil is crucial for protecting the turbocharger and ensuring the DPF functions correctly. Always change the oil at the recommended 15,000 km intervals.
Comprehensive technical documentation and regulatory references
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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
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Type-approval guidance and documentation.
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