Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes today from trusted UK Mercedes Benz Vito engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.
-> Rebuilt units from £1,200 · Common codes: OM651.940, OM646.982, OM651.955
-> Rebuilt units from £1,500 · Common codes: M271.951, M272.960, M271.950
-> Rebuilt units from £2,000 · Common codes: OM654.920, OM651.958, R9M503
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Get Instant Quotes from Mercedes - Benz Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine replacement costs for Mercedes Benz Vito variants, covering known failure causes, factory engine codes, fuel types, and engine sizes based on verified market data.

Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Mercedes Benz Vito engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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From the economical 109 CDI to the high‑output 119 CDI, our network of UK Mercedes Benz Vito engine specialists helps you compare rebuilt, reconditioned and used engine prices. Typical price range for a rebuilt unit with 12‑month warranty - supply & fit available nationwide.
A full alphabetical listing of every Mercedes Benz Vito trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.
Diesel Variants
Petrol Variants
Every engine code fitted to the Mercedes Benz Vito across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Extracted from detailed diesel engine families across Mercedes Benz Vito variants.
Extracted from detailed petrol and performance engine families across Mercedes Benz Vito variants.
Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Mercedes Benz Vito engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.
The Mercedes Benz Vito is a robust commercial workhorse, but three engine families consistently dominate UK replacement demand: the OM651 2.1L diesel, the older OM646 2.2L diesel, and the modern OM654 2.0L unit. Timing system wear, EGR thermal stress, and high-pressure fuel faults are the primary drivers for engine swaps on this chassis. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address these original failure points, backed by a minimum 12‑month unlimited mileage warranty, allowing you to choose between targeted repair or full replacement with confidence.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why Mercedes Benz Vito Engines Rattle on Cold Start
Mercedes Benz Vito 113 CDI, 116 CDI, 119 CDI (W639 late facelift & W447, 2010-present, OM651.940 & OM651.955)
70,000 - 120,000 miles
The rear-mounted timing chain runs in an oil-starved zone when the tensioner seal leaks, causing rapid chain stretch and plastic guide wear. If ignored, the chain jumps teeth, leading to catastrophic valve and piston interference.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative Chain & Tensioner Replacement Minor | £2,800 - £3,800 | £1,900 - £2,600 | Engine-out access, full chain kit, updated tensioner and guides fitted | Viable only if caught early; extends life but does not fix already stretched guides |
Full Replacement - Rebuilt OM651 Engine Best Value | £5,500 - £7,500 | £2,500 - £4,200 | Supply & fit of rebuilt unit with upgraded tensioner seals, bench-tested, ECU coded | Permanent solution; addresses all internal wear with 12-month unlimited mileage warranty |
We recommend replacing the chain assembly only if cold-start rattle is recent and cylinder compression remains stable across all banks. On a Mercedes Benz Vito with confirmed chain jump, metallic knocking, or diagnostic timing deviation codes, a rebuilt OM651 is the only economically sound choice given the extensive labour required for engine-out diagnostics and the high risk of repeat failure with stock components.
Whether you are dealing with OM651 timing chain rattle, W639 chain elongation, or modern OM654 EGR thermal stress, ignoring Mercedes Benz Vito engine problems rapidly escalates repair costs and commercial downtime. EngineMarket connects you directly with vetted UK specialists who supply rebuilt and reconditioned engines fitted with upgraded components to eliminate known weak points from the factory design. Every unit includes a minimum 12-month unlimited mileage warranty and nationwide supply-and-fit delivery, ensuring your commercial van stays operational without the main dealer premium. Compare transparent pricing across our specialist network today and secure the right Mercedes Benz Vito engine solution for your exact variant.
Compare Mercedes Benz Vito Engine Replacement Prices Now →The Mercedes Benz Vito is a robust commercial workhorse, but three engine families consistently dominate UK replacement demand: the OM651 2.1L diesel, the older OM646 2.2L diesel, and the modern OM654 2.0L unit. Timing system wear, EGR thermal stress, and high-pressure fuel faults are the primary drivers for engine swaps on this chassis. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address these original failure points, backed by a minimum 12‑month unlimited mileage warranty, allowing you to choose between targeted repair or full replacement with confidence.
Mercedes Benz Vito 113 CDI, 116 CDI, 119 CDI (W639 late facelift & W447, 2010-present, OM651.940 & OM651.955)
70,000 - 120,000 miles
The rear-mounted timing chain runs in an oil-starved zone when the tensioner seal leaks, causing rapid chain stretch and plastic guide wear. If ignored, the chain jumps teeth, leading to catastrophic valve and piston interference.
Engine-out access, full chain kit, updated tensioner and guides fitted
Supply & fit of rebuilt unit with upgraded tensioner seals, bench-tested, ECU coded
We recommend replacing the chain assembly only if cold-start rattle is recent and cylinder compression remains stable across all banks. On a Mercedes Benz Vito with confirmed chain jump, metallic knocking, or diagnostic timing deviation codes, a rebuilt OM651 is the only economically sound choice given the extensive labour required for engine-out diagnostics and the high risk of repeat failure with stock components.
Whether you are dealing with OM651 timing chain rattle, W639 chain elongation, or modern OM654 EGR thermal stress, ignoring Mercedes Benz Vito engine problems rapidly escalates repair costs and commercial downtime. EngineMarket connects you directly with vetted UK specialists who supply rebuilt and reconditioned engines fitted with upgraded components to eliminate known weak points from the factory design. Every unit includes a minimum 12-month unlimited mileage warranty and nationwide supply-and-fit delivery, ensuring your commercial van stays operational without the main dealer premium. Compare transparent pricing across our specialist network today and secure the right Mercedes Benz Vito engine solution for your exact variant.
Compare Mercedes Benz Vito Engine Replacement Prices Now →Disclaimer: 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 EngineMarket’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 Benz Vito and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Every engine type is available through our uk specialist network with typical price ranges based on variant, engine code and commercial budget.
All engine types include a minimum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Mercedes Benz Vito within hours.
Every official displacement fitted to the Mercedes Benz Vito is listed below, complete with compatible engine codes, production years and model-specific failure notes for accurate identification.
The 1.6-litre R9M503 unit was introduced exclusively for the front-wheel-drive W447 generation to maximise urban fuel economy and reduce emissions for courier and last-mile delivery operators. Sourced from Renault, this compact turbo-diesel prioritises low running costs and tighter turning circles over heavy towing capacity. It remains a high-volume choice for city-based fleet managers navigating daily stop-start routing.
| Engine Code(s) | R9M503 |
| Compatible Models (UK) | 109 CDI FWD, 111 CDI FWD |
| Production Years | W447, 2014-2019 |
Turbocharger bearing wear, EGR valve clogging under sustained stop-start urban cycling
Not sure which engine size your Mercedes Benz Vito needs? Enter your registration number above - we’ll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty from UK Mercedes Benz Vito specialists.
Mercedes Benz Vito Engines Fuel Type
Choose your Mercedes Benz Vito engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early OM611 diesel to the latest OM654 BlueTEC.
The dominant powertrain across all three generations, driving the vast majority of UK replacement enquiries due to commercial mileage accumulation.
Not sure which fuel type your Mercedes Benz Vito has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12‑month unlimited mileage warranty from UK Mercedes Benz Vito specialists.
This technical timeline covers all major Mercedes Benz Vito engine changes across W638, W639 and W447 generations, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
Not sure which year your Mercedes Benz Vito was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12‑month warranty from UK Mercedes Benz Vito specialists.
FAQ
Question 1
Mercedes Benz Vito engine replacement costs typically range from £1,100 to £4,500 for a rebuilt unit supply-only, depending on engine code, variant and condition. OM646 and OM611 units are generally cheaper, while modern OM654 and high-output OM651 engines command premium pricing due to complexity and demand.
Key points
Question 2
Mercedes Benz Vito OM651 timing chain rattle is caused by tensioner seal failure allowing oil pressure loss, leading to chain stretch and guide wear. This affects 2010-2024 W639 and W447 variants fitted with OM651.940 or OM651.955 engines, particularly between 70,000-120,000 miles.
Key points
Question 3
Replacing a Mercedes Benz Vito engine is worthwhile if the chassis is sound, mileage is under 150,000, and the van's market value exceeds £4,000. For a 2018 W447 with 80,000 miles, a £2,500-£4,000 rebuilt engine extends commercial life cost-effectively versus purchasing a replacement van.
Key points
Question 4
The OM646 2.2L diesel in pre-2010 Mercedes Benz Vito W639 models is widely regarded as the most reliable engine, offering robust cast-iron construction and simpler mechanical systems. However, all high-mileage units require proactive maintenance of timing chains and injectors to avoid costly failures.
Key points
Question 5
A Mercedes Benz Vito engine replacement typically takes 2-4 working days for supply and fit when using a specialist network, depending on engine availability, vehicle access, and ECU coding requirements. W447 models may require additional time for AdBlue system recalibration and injector adaptation.
Key points
Question 6
Yes, every reconditioned Mercedes Benz Vito engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty covering mechanical components, provided installation follows specialist guidelines. Warranty terms vary by supplier, so always confirm exact coverage, labour inclusion and claim procedures before purchase.
Key points
Question 7
A used Mercedes Benz Vito engine is a second-hand unit pulled from a donor vehicle with unknown internal condition, while a reconditioned engine has been stripped, inspected, and rebuilt with new wear components. Reconditioned units cost more but include warranty coverage and address known failure points like timing chains.
Key points
Question 8
While technically possible, fitting a Mercedes Benz Vito engine yourself is not recommended due to complex ECU coding, injector calibration and AdBlue system requirements on OM651 and OM654 engines. Professional supply and fit ensures warranty validity and avoids costly diagnostic errors that can disable the vehicle.
Key points
Question 9
Some Mercedes Benz Vito engines share codes with Sprinter models, but physical mounting points, ancillary brackets and ECU compatibility differ significantly between chassis generations. Never assume interchangeability - always verify exact engine code, variant and year match before purchasing a donor Sprinter engine for your Mercedes Benz Vito.
Key points
Question 10
Your Mercedes Benz Vito engine code is stamped on the engine block near the injector pump or on a metal plate on the cylinder head. You can also find it on your V5C registration document under "engine number", or by entering your registration on the DVLA check tool for instant variant and code identification.
Key points
Why Choose Us
Join thousands of UK drivers who compare Mercedes Benz Vito engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12‑month unlimited mileage warranty and nationwide delivery.
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UK Engine Replacement Services for Mercedes Benz Vito
Covering every variant from entry-level 109 CDI to high-output 119 CDI, with supply‑only or full supply & fit available nationwide.

Trusted supplier network
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Every quote checked for fitment, quality and lead time.