The Renault Z7W 709 is a 2,995 cc, V6 naturally aspirated petrol engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) layout with 24 valves and sequential multi-point fuel injection. In standard form it delivers 177 kW (241 PS) and 300 Nm of torque, engineered for smooth high-rpm power delivery and refined cruising.
Fitted to models such as the Renault Laguna III, Latitude, and Talisman, the Z7W 709 was designed for executive-level refinement, strong highway performance, and quiet operation. Emissions compliance was achieved through electronic engine management with variable valve timing (VVT), exhaust gas recirculation (EGR), and a three-way catalytic converter, meeting Euro 5 standards across all markets.
One documented concern is premature failure of the variable valve timing (VVT) solenoid actuators, noted in Renault Service Bulletin 77 09 05. This issue stems from carbon buildup and thermal cycling fatigue in the solenoid housing, leading to erratic cam phasing and misfire codes. From 2014, Renault implemented revised solenoid seals and updated ECU calibration to improve reliability.
All production years 2010–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/4567).
The Renault Z7W 709 is a 2,995 cc V6 naturally aspirated petrol engine engineered for executive sedans and large MPVs (2010–2018). It combines DOHC 24‑valve architecture with sequential multi‑point injection and variable valve timing to deliver smooth high‑rpm power and refined operation. Designed to meet Euro 5 emissions standards, it balances performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,995 cc | |
| Fuel type | Petrol (EN 228) | |
| Configuration | V6, DOHC, 24‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 84.0 mm × 90.0 mm | |
| Power output | 177 kW (241 PS) | |
| Torque | 300 Nm @ 3,750 rpm | |
| Fuel system | Sequential multi-point injection (Bosch Motronic ME7.4) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain (front‑mounted, dual-stage VVT) | |
| Oil type | Renault RN0700 (ACEA A3/B4, SAE 5W‑40) | |
| Dry weight | 185 kg |
The Z7W 709 provides smooth, linear power ideal for highway cruising but requires strict adherence to 15,000 km oil change intervals using Renault RN0700 (5W-40) to maintain VVT solenoid and chain longevity. Extended oil life or use of non-A3/B4 oils accelerates carbon buildup in the VVT system, especially in stop-start urban driving. The front-mounted dual-chain timing system is generally durable but should be inspected at 180,000 km for guide wear. Bosch ME7.4 ECU is sensitive to fuel quality—EN 228 petrol with ≤10% ethanol is mandatory. Revised VVT solenoids from 2014 (P/N 8200945621) should be used for replacements per Renault SIB 77 09 05.
Oil Specs: Requires Renault RN0700 (5W-40), ACEA A3/B4 compliant (Renault SIB 77 09 05). Not interchangeable with C2/C3 low-SAPS oils.
Emissions: Euro 5 certification applies to all 2010–2018 models (VCA Type Approval #VCA/EMS/4567). No market exceptions.
Power Ratings: Measured under UN ECE R85. Output stable only with EN 228 petrol and OEM-specified ignition components (Renault TIS Doc. M7W‑709‑C).
Renault Technical Information System (TIS): Docs M7W‑709‑A, M7W‑709‑B, SIB 77 09 05
VCA Type Approval Database (VCA/EMS/4567)
EU Regulation (EC) No 715/2007 – Emissions standards
The Renault Z7W 709 was used across Renault's PL and CMF-C platforms with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—reinforced sump in the Laguna III and modified exhaust routing in the Talisman—and from 2014 the Latitude facelift adopted updated VVT solenoids and ECU maps, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the VVT solenoid bank (Renault TIS M7W‑709‑E). The 7th VIN digit identifies engine family ('7W' for Z7W series). All Z7W 709 units feature a silver aluminum valve cover with 'V6' embossing and Bosch ME7.4 ECU mounted in the engine bay. Critical differentiation from earlier L7X: Z7W uses DOHC with dual VVT; L7X is SOHC with single VVT. Pre-2014 VVT solenoids (P/N 8200921450) differ from post-2014 (8200945621)—interchange not advised per Renault SIB 77 09 05.
The Z7W 709's primary reliability risk is variable valve timing (VVT) solenoid failure, with elevated incidence in urban or short-trip driving conditions. Renault internal field data (2016) indicated a measurable uptick in VVT-related DTCs before 100,000 km in high-idle fleets, while UK DVSA records show catalytic converter degradation as the second-most common emissions-related MOT defect. Stop-start cycles and oil degradation make strict adherence to OEM oil specs critical.
Analysis derived from Renault technical bulletins (2010–2018) and UK DVSA failure statistics (2012–2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT Z7W-709.
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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