ModerateAffected: 2009-201640,000–90,000 miles

Renault Scenic Mk3 1.5 dCi 110bhp — DPF Blockage from Family Use

The Scenic Mk3 dCi is the family diesel MPV — used for exactly the kind of short school-run trips that block DPFs. It is by far the most common fault reported by Scenic owners.

Severity

Moderate

DIY Difficulty

Moderate

Est. Cost

£200–£900

OBD Codes

P2452P2453

Component Diagram

DPF

Typical layout and location for the DPF assembly.

Reference Illustration

Symptoms

DPF warning light
Power loss
Oil level rising
P2452/P2453 codes

Root Cause

School runs, supermarket trips and local errands are the core use case of an MPV — all of them too short for DPF regeneration.

How To Fix

Check oil for diesel contamination immediately
Force regen via EOBD tool
Professional DPF clean: £200-350
Strongly consider a petrol Scenic for urban-only use

Estimated Repair Costs

Repair Option	Est. Cost (GBP)
DIY (parts only)	£80–£360
Independent Garage	£200–£900
Main Dealership	£320–£1440

Other Faults on This Variant

EGR Valve Carbon Blockage

Moderate

2009-201650,000–100,000 miles£100–£400

EGR failure on the Scenic Mk3 follows the K9K pattern — carbon accumulation causes power loss and rough running, compounded by the MPV's urban use profile.

Timing Chain Failure (K9K)

Severe

2009-201680,000–150,000 miles£600–£1000

The K9K timing chain issue is widespread across the Renault range and the Scenic Mk3 is no exception. Chain wear leads to rattling and ultimately engine failure.

Electric Sliding Door Motor Failure

Minor

2009-201660,000–140,000 miles£150–£600

The Scenic Mk3's powered sliding rear doors develop motor faults, leaving the door either stuck open or requiring manual operation. A unique fault to the MPV body style.

Disclaimer: Repair cost estimates are indicative and based on community data. Always get a quote from a qualified mechanic before proceeding with any repair.