Mercedes Benz Vito 108113 CDI (Older) Engine Replacement - Compare Prices & Get Quotes
Get quotes today from trusted UK Mercedes Benz Vito 108-113 CDI engine specialists. Compare prices on reconditioned, rebuilt and used OM611 and OM646 diesel engines - supply & fit available nationwide for W638 and W639 generations.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £1,100 to £2,900
Used from £500 · Reconditioned from £1,100 · Common codes: OM611.981, OM646.980, OM646.983
From £500
Tested, bare/short engine
From £1,100
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Mercedes Benz Vito 108-113 CDI (Older) Replacement Engineto Finding the Best Mercedes Benz Vito 108-113 CDI (Older) Replacement Engine
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Variant HistoryMercedes Vito 108-113 CDI (Older) - Engine History & Specs at a Glance
The Mercedes Vito 108-113 CDI range spans the W638 (1996-2003) and early W639 (2003-2014) generations, powered by the OM611 and OM646 2.2-litre four-cylinder diesel engines - the workhorses that established the Vito's reputation for commercial durability and high-mileage capability.
Variant HistoryMercedes Vito 108-113 CDI (Older) - Engine History & Specs at a Glance
The Mercedes Vito 108-113 CDI range spans the W638 (1996-2003) and early W639 (2003-2014) generations, powered by the OM611 and OM646 2.2-litre four-cylinder diesel engines - the workhorses that established the Vito's reputation for commercial durability and high-mileage capability.
Mercedes Vito 108-113 CDI (Older)
Fuel TypeDiesel
Engine Size Range2.2L (2,148-2,151cc)
Power Output Range82-136hp across the 108-113 CDI rangeEngine History Timeline
W638 Vito launched with OM611 2.2L common-rail diesel 82-122hp, cast-iron block
W639 Vito launched with OM646 2.2L diesel (refined OM611 architecture) 87-150hp
OM646 gains Euro IV emissions compliance with EGR cooler and DPF
W639 facelift introduces OM651 engine OM646 phased out in 113 CDI and above
Key Specs Snapshot
Fuel TypeDieselEngine Size Range2.2L (2,148-2,151cc)Power Output Range82-136hp across the 108-113 CDI rangeYears Produced1996-2014 (W638 and early W639)Every 2.2 CDI engine fitted to the Mercedes Vito 108-113 CDI range is covered below, with UK rebuilt pricing and known failure points from real owner experience.
Mercedes Vito 108-113 CDI (Older) Engine Codes - Specifications & Replacement CostMercedes Vito 108-113 CDI (Older) Engine Codes - Specifications & Replacement Cost
2.2L Diesel (1996-2003)
Power Output82-122 hp (60-90 kW)Displacement2,151ccConfigurationInline-4, DOHC, common-rail direct injection, cast-iron block, aluminium cylinder headYears Fitted1996-2003
Compatible Trim Levels
- Vito 108 CDI
- Vito 109 CDI
- Vito 110 CDI
- Vito 112 CDI (W638)
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£450-£900
Reconditioned
Addressed known issues, tested
£1,100-£1,800
Rebuilt
Full teardown, upgraded internals
£1,100-£2,500
Common Failure
The OM611 is prone to cylinder head cracking near the injector bores on high-mileage units, particularly if injector hold-down bolts have been over-tightened. Injector seat erosion and timing chain guide wear are also documented.
The Mercedes Vito 108-113 CDI range relies on the OM611 and OM646 2.2-litre diesel families - robust commercial workhorses that have developed well-documented reputations for specific, predictable failures. Timing chain elongation dominates OM646 replacement demand, while OM611 cylinder head cracking near injector bores is a known failure mode on high-mileage W638 examples. Every rebuilt engine supplied through EnginesMarket includes upgraded components designed to address the original failure point - plus a minimum 12-month unlimited mileage warranty. Below we break down the most common Vito 108-113 CDI engine failures, what they cost to fix, and when replacement is the smarter financial decision.
Why the Vito 111 CDI Rattles and Loses Timing
Affected Vehicles
Mercedes Vito 111 CDI, 109 CDI (W639, 2003-2010, OM646.980, OM646.983)
Typical Failure Mileage
100,000 - 140,000 miles
Root Cause
The OM646's single-row timing chain gradually elongates under sustained high-load commercial use, overwhelming the hydraulic tensioner and causing misalignment that risks catastrophic interference failure. Crankshaft position sensor fault codes often appear before complete failure.
Why It Happens
The OM646's single-row timing chain gradually elongates under sustained high-load commercial use, overwhelming the hydraulic tensioner and causing misalignment that risks catastrophic interference failure. Crankshaft position sensor fault codes often appear before complete failure.
Dealer (parts + labour)
£2,200-£3,100
Specialist (parts + labour)
£1,500-£2,200
What it involves
Front-access chain replacement with upgraded tensioner and hardened guide rails
Suitability
Restores timing accuracy; only recommended before interference or cam damage occurs
1 - 2 daysDealer (parts + labour)
£4,800-£6,800
Specialist (parts + labour)
£1,800-£3,200
What it involves
Complete rebuilt engine with reinforced timing components, supply & fit, dyno tested
Suitability
Resolves elongation and secondary bottom-end wear; best long-term value for older chassis
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Intermediate - Chain Kit & Tensioner Swap Minor | £2,200-£3,100 | £1,500-£2,200 | Front-access chain replacement with upgraded tensioner and hardened guide rails | Restores timing accuracy; only recommended before interference or cam damage occurs | 1 - 2 days |
 Full Replacement - Rebuilt OM646 Engine Best Value | £4,800-£6,800 | £1,800-£3,200 | Complete rebuilt engine with reinforced timing components, supply & fit, dyno tested | Resolves elongation and secondary bottom-end wear; best long-term value for older chassis | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical W639 Vito 109-111 CDI is worth £2,500-£6,000 depending on condition and mileage - the full replacement cost of £1,800-£3,200 often approaches vehicle value. For vehicles worth under £3,000, evaluate repair options carefully.
Our Recommendation
Our Recommendation
For a Mercedes Vito W639 approaching high mileage, preventative chain replacement often exceeds the vehicle's residual commercial value. We advise a full rebuilt OM646 swap once rattle is constant at idle or if fault logs show timing deviation, as it eliminates recurring tensioner faults and restores full payload reliability without hidden ancillary costs.
Don't Let Engine Failure Write Off Your Mercedes Vito 108-113 CDI
A failed OM611 or OM646 engine doesn't have to mean the end of your Vito. Whether you're dealing with timing chain elongation on your OM646, cylinder head cracking on your OM611, or injector seal failure, EnginesMarket makes it simple to compare prices from trusted UK Mercedes Vito specialists. Every rebuilt engine in our network includes upgraded components designed to address the original failure point, a minimum 12-month unlimited mileage warranty, and nationwide delivery with supply & fit options available.
Compare OM646 Mercedes Vito 108-113 CDI replacement costs
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Mercedes Vito 108-113 CDI. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Mercedes Vito 108-113 CDI (Older) Engine ReplacementFrequently Asked Questions
Question 1How much does a Mercedes Vito 108-113 CDI engine replacement cost in the UK-
A Vito 108-113 CDI engine replacement typically costs between £1,100 and £2,900 depending on engine code (OM611 or OM646), condition type, and whether fitting is included.
- Rebuilt OM611 (W638, 1996-2003): £1,100-£2,500 supply only
- Rebuilt OM646 (W639, 2003-2010): £1,100-£2,900 supply only
- Used engines from breakers: £450-£1,100 but higher risk
- Labour for supply & fit adds £800-£1,200 to any engine price
Question 2What is the most common failure on the Vito OM646 engine-
The OM646's single-row timing chain gradually elongates under sustained high-load commercial use, typically between 100,000-140,000 miles.
- Cold start rattle is the earliest warning sign of chain elongation
- Crankshaft position sensor fault codes often appear before complete failure
- Ignoring the noise risks chain jump causing catastrophic valve and piston interference
- Rebuilt OM646 units include upgraded timing components to prevent recurrence
Question 3What are the signs of OM611 cylinder head cracking in a W638 Vito-
The OM611's aluminium cylinder head can develop cracks near the injector bores, particularly on high-mileage W638 examples.
- Loss of compression and hard starting
- Diesel pooling in the valve cover around injectors
- White smoke from the exhaust
- Coolant loss with no visible external leak
- Cracks longer than 7mm require cylinder head replacement
Question 4Should I repair or replace my Vito 108-113 CDI engine-
Repair if the failure is isolated (e.g., timing chain tensioner on OM646, injector seat repair on OM611, EGR cooler). Replace if there's bottom end damage, bore scoring, or catastrophic timing chain failure.
- OM646 timing chain replacement: £1,500-£2,200 - do this if rattle is constant
- OM611 injector seat repair: £400-£700 - effective for cracks under 7mm
- Full OM646 rebuild: £1,800-£3,200 - for catastrophic failure or 120k+ miles
- Full OM611 rebuild: £1,400-£2,200 - for catastrophic failure or 150k+ miles
- Given Vito 108-113 CDI values (£2,500-£6,000), evaluate repair vs replacement carefully
Question 5How do I know which engine code my Vito 108-113 CDI has-
Check your vehicle log book (V5C) for the engine number, which includes the engine code prefix.
- V5C log book shows full engine number with code prefix
- Engine code stamped on cylinder block near the injector pump
- W638 Vito (1996-2003): OM611.981
- W639 Vito (2003-2010) 109 CDI: OM646.983
- W639 Vito (2003-2010) 111 CDI: OM646.980
- Service history documents list engine type
Question 6Can I fit a used Vito 108-113 CDI engine myself-
We strongly advise against DIY fitting on a Vito diesel. The W638 and W639 subframe geometry and ECU coding requirements demand specialist equipment and expertise.
- Subframe must be lowered - not a driveway job
- Injection pump timing requires precise calibration tools
- ECU coding and immobiliser synchronisation required
- Specialist supply & fit costs £800-£1,200 - worth every penny
Question 7What warranty comes with a reconditioned Vito 108-113 CDI engine-
Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty, with many specialists offering 24-month coverage on OM646 rebuilds. This includes parts and labour for any manufacturing defect or installation error.
- 12-month unlimited mileage is the minimum standard
- OM646 rebuilds often include 24-month warranty
- All warranties cover parts, labour, and MOT compliance
- Extended warranties available at point of purchase
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