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MERCEDES VANEO 1.7 CDI SPECIALISTS

Mercedes Benz Vaneo 1.7 CDI Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Mercedes Benz Vaneo 1.7 CDI engine specialists. Compare prices on reconditioned, rebuilt and used OM668 diesel units - supply & fit available with a minimum 12-month warranty.

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12-Month Warranty
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Mercedes Benz Vaneo 1.7 CDI Engine
from£450 to £1,550
  • Usedfrom £450
  • Reconditionedfrom £850
  • Common codesOM668 DE1.6 LA, 668.914
Mercedes Benz vaneo 1.7 CDI Used Engine — OM668 DE1.6 LA / 668.914Mercedes Benz vaneoUsed Engine — OM668 DE1.6 LA / 668.914Mercedes Benz vaneo 1.7 CDI Reconditioned Engine — OM668 DE1.6 LA / 668.914Mercedes Benz vaneoReconditioned Engine — OM668 DE1.6 LA / 668.914Mercedes Benz vaneo 1.7 CDI Rebuilt Engine — OM668 DE1.6 LA / 668.914Mercedes Benz vaneoRebuilt Engine — OM668 DE1.6 LA / 668.914

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Mercedes Benz Vaneo 1.7 CDI Engine History & Specs at a Glance

The Mercedes Benz Vaneo 1.7 CDI launched in 2001 as the diesel workhorse of the W414 platform - a compact MPV/van hybrid that shared its engine architecture with the W168 A-Class. Powered by the OM668 DE1.6 LA 1.7-litre common-rail diesel, the 1.7 CDI offered strong low-end torque and excellent fuel economy for urban commercial and family use. Production ran from 2001 to 2005, with two power outputs - 75hp and 91hp - across Trend, Ambiente, Family and Commercial trims.

Mercedes Benz Vaneo 1.7 CDI
  1. 2001

    Vaneo 1.7 CDI launched with OM668 DE1.6 LA 75hp (55kW) and 91hp (67kW) variants

  2. 2002

    TouchShift automatic transmission option introduced

  3. 2003

    Peak UK sales year; EGR valve revisions introduced (A6681410060)

  4. 2004

    Late-production OM668 units receive updated injector calibration

  5. 2005

    Final production year; Vaneo discontinued with no direct successor

Every OM668 engine fitted to the Mercedes Vaneo 1.7 CDI is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Mercedes Vaneo 1.7 CDI Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

OM668 DE1.6 LA / 668.914 — 1.7L Diesel (2001-2005) engine

OM668 DE1.6 LA / 668.914 — 1.7L Diesel (2001-2005)

Fuel Type
Diesel
Engine Code
OM668 DE1.6 LA / 668.914 (ME2)
Engine Size
1.7 Litre (1,689 cc)
Configuration
Inline 4-cylinder, 59° inclination to front, light-alloy block
Power Output
55kW (75hp) / 67kW (91hp)
Torque
180 Nm @ 1,600-3,200 rpm
Valves
4 per cylinder, DOHC, double roller chain camshaft drive
Fuel System
Common-rail direct injection, Bosch 3-plunger high-pressure pump
Years Fitted
2001-2005

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Common Problems

Mercedes Vaneo 1.7 CDI Engine Problems Repair Cost vs Replacement

The Mercedes Vaneo 1.7 CDI's OM668 engine is generally robust and durable for its era - one owner reported 360,000 km (224,000 miles) with no major engine problems. However, the combination of EGR system clogging, turbo actuator wear and injector seal failure creates distinct failure patterns that drive UK replacement enquiries. Every rebuilt OM668 engine through EnginesMarket includes upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.

Common failure points and repair options

EGR Valve Clogging

Affected
Mercedes Vaneo 1.7 CDI (OM668, 2001-2005)
Typical failure mileage
70,000-100,000 miles
Root cause
Carbon-heavy exhaust gases recirculate directly into the intake manifold without a modern DPF to filter soot, causing rapid valve sticking and restricted airflow. Owners report mass amounts of smoke from the exhaust, particularly on take-off and under high revs. The valve's plunger becomes thick with black, gummy oil. Fault codes P1403 (EGR vacuum transducer) and P1470 (charge pressure control) are common.

Repair options

Repair tierDealer priceSpecialist price
Minor - EGR Valve Cleaning£350-£500£150-£300
Intermediate - EGR Valve Replacement & Intake Clean£850-£1,200£400-£650
Full Replacement - Rebuilt OM668 Engine£3,500-£4,500£950-£1,550
Our recommendation
The OM668 responds well to a standalone EGR valve replacement and intake strip-down. We recommend this route for most budget-conscious owners unless diagnostic tests confirm deep internal scoring or coolant ingress. A simple clean of the EGR valve and checking for kinked vacuum hoses can resolve many smoking issues.
-> Compare rebuilt OM668 diesel engine prices for your Mercedes Vaneo 1.7 CDI

Turbo Actuator Failure

Affected
Mercedes Vaneo 1.7 CDI (OM668, 2001-2005)
Typical failure mileage
85,000-120,000 miles
Root cause
The turbocharger's pneumatic wastegate actuator diaphragm degrades under sustained heat cycles, causing boost pressure leaks, erratic vane positioning, and ECU limp-mode activation. Symptoms include stalling during deceleration, RPM limiting above 3,500 rpm, and loss of power. The turbo's or EGR's vacuum control valves may be leaking vacuum.

Repair options

Repair tierDealer priceSpecialist price
Minor - Turbo Actuator & Hose Replacement£900-£1,350£450-£750
Full Replacement - Rebuilt OM668 Engine with New Turbo£3,700-£4,500£1,150-£1,600
Our recommendation
Replacing just the actuator is a cost-effective first step for a Mercedes Vaneo 1.7 CDI showing intermittent boost loss. However, if metallic scraping is audible or black soot is present around the turbo housing, a full rebuilt engine with a fresh turbo core is the only reliable long-term fix. Check the wastegate actuator rod retention clip - a missing clip is a known cause of actuator disconnection.
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Injector Seal Failure

Affected
Mercedes Vaneo 1.7 CDI (OM668, 2001-2005)
Typical failure mileage
80,000-150,000 miles
Root cause
Injector seals degrade over time, allowing combustion gases to escape past the injector. Owners report a "Phhhew" sound every 4th stroke, along with smoke and smell in the engine compartment. Injector seats on the cylinder head need to be re-cut; without this, new seals will leak again.

Repair options

Repair tierDealer priceSpecialist price
Intermediate - Injector Seal Replacement & Seat Recut£400-£700£250-£450
Full Replacement - Rebuilt OM668 Engine£3,500-£4,500£950-£1,550
Our recommendation
Injector seal failure is a common and relatively inexpensive fix on the OM668. A competent specialist can replace seals and recut seats in around four hours. If the vehicle has a history of multiple injector failures or the head is damaged, a rebuilt engine may be more cost-effective.
-> Compare rebuilt OM668 Mercedes Vaneo 1.7 CDI engine prices

Timing Chain Tensioner Wear

Affected
Mercedes Vaneo 1.7 CDI (OM668, 2001-2005)
Typical failure mileage
100,000-150,000 miles
Root cause
The OM668 uses a chain-driven double overhead camshaft arrangement. The timing chain tensioner can wear over time, causing chain slack and a rattling noise on cold starts. The intake camshaft is driven via a single roller chain, with the exhaust camshaft driven via gearwheel engagement.

Repair options

Repair tierDealer priceSpecialist price
Preventative - Timing Chain Kit£800-£1,200£450-£750
Full Replacement - Rebuilt OM668 Engine£3,500-£4,500£950-£1,550
Our recommendation
Do not ignore a cold-start rattle on your Mercedes Vaneo 1.7 CDI. A timing chain kit replacement is significantly cheaper than repairing a bent-valve OM668 engine. Many Vaneo 1.7 CDI owners have reported 360,000 km (224,000 miles) without engine problems - but chain tensioner wear is the main exception.
-> Compare OM668 timing-safe Mercedes Vaneo 1.7 CDI engine replacements

Don't Let Engine Failure Write Off Your Mercedes Vaneo 1.7 CDI

Navigating EGR clogging, turbo actuator failure, injector seal issues or timing chain wear doesn't have to mean scrapping your Mercedes Vaneo 1.7 CDI. Our platform instantly connects you with vetted UK engine specialists who provide transparent, competitive quotes tailored to your exact OM668 engine code. Every replacement unit is bench-tested, fitted with upgraded components that resolve known factory weaknesses, and backed by a 12-month unlimited mileage warranty with nationwide delivery and supply & fit options available. Compare Mercedes Vaneo 1.7 CDI engine prices today and secure a reliable, cost-effective solution without the main dealer premium.

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FAQ

Mercedes Vaneo 1.7 CDI Engine ReplacementFrequently Asked Questions

Everything Mercedes Benz Vaneo 1.7 CDI owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare Mercedes Vaneo 1.7 CDI Engine Prices Today

Comparing Mercedes Vaneo 1.7 CDI engine quotes is completely free and carries no obligation. Enter your registration above, tell us your OM668 engine code, and receive transparent, fixed-price quotes from our vetted UK specialists within hours. Whether you need a used engine for a quick fix or a fully rebuilt OM668 with upgraded EGR components and a 12-month warranty, we'll match you with the right supplier for your budget.

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