The Renault R9M 415 is a 1,598 cc, inline‑four turbo‑diesel engine produced between 2015 and 2023. It features a DOHC 16‑valve layout, common‑rail direct injection, and a variable geometry turbocharger (VGT), delivering 96 kW (130 PS) and 320 Nm of torque. The compact architecture enables strong low‑rpm torque for responsive urban drivability.
Fitted to models such as the Renault Kadjar, Mégane IV, and Captur II, the R9M 415 was engineered for fuel efficiency and compac…
All production years 2015–2023 meet Euro 6 emissions standards .
The Renault R9M 415 is a 1,598 cc inline‑four turbo‑diesel engineered for compact hatchbacks and SUVs (2015–2023). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver strong low-end torque and urban fuel economy. Designed to meet Euro 6 standards from launch, it integrates advanced aftertreatment for regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,598 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.5 mm × 80.5 mm | |
Power output | 96 kW (130 PS) | |
Torque | 320 Nm @ 1,750–2,500 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 6b / Euro 6d‑TEMP | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell/ Garrett) | |
Timing system | Chain (front‑mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 145 kg |
The Renault R9M 415 was used across Renault's compact platforms with transverse mounting and co-developed with Nissan and Mercedes-Benz for shared use in European markets. This engine received platform-specific adaptations—revised engine mounts in the Kadjar and dual-mass flywheel tuning in the Mégane IV—and from 2019 the Captur II received updated injector nozzles and ECU calibration, creating minor interchange limits. Partnerships enabled Nissan to deploy the same unit in the Qashqai and X-Trail, while Mercedes used a variant (OM608) in the A‑Class and GLA. 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 R9M 415 offers strong low-end torque and Euro 6 compliance, but early units (2015–2018) had injector coking concerns under urban use. Post-2019 revisions improved injector durability significantly. With correct oil (RN0720), quality ULSD, and regular highway driving to enable DPF regeneration, well-maintained examples can exceed 200,000 km.
Top issues include injector nozzle coking, DPF regeneration failures from short trips, EGR valve sticking, and turbo actuator drift. These are documented in Renault SIB 3062C and Nissan TSB NTB19-032. Fuel quality and driving pattern heavily influence longevity.
The R9M 415 powers the Renault Mégane IV, Kadjar, and Captur II (dCi 115/130 variants) from 2015–2023. It’s also used in the Nissan Qashqai, X-Trail, and Mercedes-Benz A 180 d / GLA 180 d. All meet Euro 6 from launch.
Aftermarket ECU tuning is common on the R9M-415 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 Renault Mégane dCi 130, expect ~5.8 L/100km (city) and ~4.2 L/100km (highway), or ~55 mpg UK combined. Real-world figures vary by load and route—compact hatchbacks average 50–60 mpg UK. DPF health and driving style significantly affect consumption.
Yes. The R9M series uses an interference design. Timing chain failure or jump can cause piston-to-valve contact, resulting in catastrophic damage. However, the front-mounted chain is robust; no widespread timing issues are documented in OEM bulletins.
Renault specifies RN0720 (5W-30, ACEA C3) oil. This low-SAPS formulation protects the DPF and turbo. Change every 20,000 km or annually. Using non-approved oil risks aftertreatment clogging and injector wear.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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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.
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