How much does a Mercedes C-Class S205 engine replacement cost in the UK?

A reconditioned S205 engine typically costs £1,500–£14,000 supply only, depending on engine — the OM626 and M274 four-cylinders sit at £1,500–£3,500, the OM651 diesel at £2,800–£4,800, the OM654 at £3,000–£5,000, the M276 V6 at £3,800–£6,500, and the M177 V8 at £6,000–£14,000. Fitting adds £520–£1,300 depending on engine.

Which Mercedes C-Class S205 engine is the most reliable?

The OM654.920 diesel (post-2018 C 220d/C 300d) is our top recommendation — it's a modern, clean-sheet design that avoids the OM651's injector seal failure and timing chain tensioner issues. The M274 petrol four-cylinder is also a solid choice, with fewer major failure points than the V6 or V8.

What are the common problems with the Mercedes C-Class S205?

Injector seal failure ('Black Death') on the OM651 diesel (pre-2018), timing chain stretch on the M276 V6 (C 400/C 43), valve cover oil leaks on the M177 V8 (AMG C 63/S), and AdBlue system issues on the OM654 diesel (post-2018). The M274 petrol engines are generally trouble-free aside from carbon buildup on higher-mileage examples.

Is the Mercedes C-Class S205 reliable?

Yes, but it depends heavily on which engine you choose. The OM651 diesel is the generation's biggest risk — injector seal failure is common and costly. The OM654 is a significant improvement. The M276 V6 is reliable if the timing chain is maintained; the M177 V8 is robust but has expensive oil leak issues. The M274 four-cylinder petrol is the most trouble-free option overall.

Which Mercedes C-Class S205 engine should I avoid?

No engine is an outright 'avoid', but a pre-2018 C 220d or C 250d with the OM651 and no documented injector seal replacement history is the one purchase we consistently advise against. A neglected AMG C 63 without valve cover service history is the second.

How do I know if my S205 engine needs replacing?

Diesel smell/chuffing (OM651 injector seals), cold-start rattle (M276 timing chain), oil smell/visible seepage (M177 valve covers), or AdBlue warning lights (OM654) are the key warning signs. Have any of these checked immediately to avoid escalation.

Is it worth replacing a Mercedes C-Class S205 engine, or should I scrap the car?

Depends on the car's value. Against a well-kept £10,000 S205, a £3,000 OM651 recon is 30% — safe. Against a tired £6,000 example, the same recon is 50% — borderline. For the V8, against a £25,000+ C63, a £8,000 recon is just 32% — viable. Our 70% Mercedes-Benz threshold is the line.

How long do Mercedes C-Class S205 engines last?

The OM651 diesel can exceed 200,000 miles with diligent maintenance, but injector seals and timing chain tensioner are the limiting factors. The OM654 is too new to have definitive longevity data, but early signs are positive. The M276 V6 and M177 V8 can easily reach 150,000+ miles with proper servicing — oil leaks are the main cost, not bottom-end failure.

What is the difference between the S205, W205, C205 and A205?

All four share the fourth-generation C-Class platform and most engines. The S205 is the 5-door estate (2014–2021, this page), the W205 is the 4-door saloon (2014–2021), the C205 is the 2-door coupé (2015–2021), and the A205 is the 2-door cabriolet (2016–2021). Costs vary slightly by body style due to labour access — see each generation's own page for specifics.

How do I find my Mercedes C-Class S205 engine code?

Listed on the VIN plate under the bonnet and in the vehicle documentation; block stamping is visible from below on most engines. Tell us your variant and approximate registration date (pre- or post-2018 facelift) and we'll identify it — 25+ vetted specialists will confirm it for free.

S205 Engine Replacement Cost UK

Name: Mercedes C-Class S205 UK Engine Enquiry Data 2025
Creator: MercedesEngines.uk

Mercedes C-Class S205 Engine Codes — The Complete Database

Every engine fitted to the S205 estate specifically — from the entry-level diesel to the 510hp V8 that defines AMG's golden era.

Engine CodeFamilyFuelDisplacementPowerYears (S205)Variants (badges)Reliability2025 EnquiriesAvg. Recon Cost

M274.910M274Petrol1.6L156 bhp2014–2021C 180★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,500–£2,800 [MB-QUOTE]

M274.920M274Petrol2.0L181–208 bhp2014–2021C 200, C 250★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,800–£3,200 [MB-QUOTE]

M274.920M274Petrol2.0L242 bhp2015–2021C 300★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£2,000–£3,500 [MB-QUOTE]

M276.823M276Petrol, twin-turbo V63.0L333 bhp2014–2018C 400 4MATIC★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]390 [MB-VERIFIED]£3,800–£6,500 [MB-QUOTE]

M276.823M276Petrol, twin-turbo V63.0L367 bhp2015–2018C 450 AMG Sport, AMG C 43★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]390 [MB-VERIFIED]£3,800–£6,500 [MB-QUOTE]

M177.980M177Petrol, twin-turbo V84.0L469 bhp2015–2021AMG C 63★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]370 [MB-VERIFIED]£6,000–£10,000 [MB-QUOTE]

M177.980M177Petrol, twin-turbo V84.0L503 bhp2015–2021AMG C 63 S★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]370 [MB-VERIFIED]£8,000–£14,000 [MB-QUOTE]

OM626.916OM626Diesel1.6L114–136 bhp2014–2018C 180d, C 200d★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,500–£2,800 [MB-QUOTE]

OM651.921OM651Diesel, twin-turbo2.1L161–204 bhp2014–2018C 220d, C 250d★★★☆☆ [PROVISIONAL — inherited from Known Failure Patterns]1,250 [MB-VERIFIED]£2,800–£4,800 [MB-QUOTE]

OM654.920OM654Diesel2.0L194 bhp2018–2021C 220d, C 300d★★★★☆ [PROVISIONAL — pending dedicated Engine Page]520 [MB-VERIFIED]£3,000–£5,000 [MB-QUOTE]

Engine CodeFuelPowerYearsReliabilityEnquiriesAvg. Recon Cost

M274.910M274Petrol156 bhp2014–2021★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,500–£2,800 [MB-QUOTE]

M274.920M274Petrol181–208 bhp2014–2021★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,800–£3,200 [MB-QUOTE]

M274.920M274Petrol242 bhp2015–2021★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£2,000–£3,500 [MB-QUOTE]

M276.823M276Petrol, twin-turbo V6333 bhp2014–2018★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]390 [MB-VERIFIED]£3,800–£6,500 [MB-QUOTE]

M276.823M276Petrol, twin-turbo V6367 bhp2015–2018★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]390 [MB-VERIFIED]£3,800–£6,500 [MB-QUOTE]

M177.980M177Petrol, twin-turbo V8469 bhp2015–2021★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]370 [MB-VERIFIED]£6,000–£10,000 [MB-QUOTE]

M177.980M177Petrol, twin-turbo V8503 bhp2015–2021★★★★☆ [PROVISIONAL — inherited from Known Failure Patterns]370 [MB-VERIFIED]£8,000–£14,000 [MB-QUOTE]

OM626.916OM626Diesel114–136 bhp2014–2018★★★☆☆ [PROVISIONAL — pending dedicated Engine Page]— (pattern data)£1,500–£2,800 [MB-QUOTE]

OM651.921OM651Diesel, twin-turbo161–204 bhp2014–2018★★★☆☆ [PROVISIONAL — inherited from Known Failure Patterns]1,250 [MB-VERIFIED]£2,800–£4,800 [MB-QUOTE]

OM654.920OM654Diesel194 bhp2018–2021★★★★☆ [PROVISIONAL — pending dedicated Engine Page]520 [MB-VERIFIED]£3,000–£5,000 [MB-QUOTE]

Overview

Mercedes C-Class S205 — Overview

The S205 is the estate variant of Mercedes-Benz's fourth-generation C-Class (W205), launched in 2014 as the successor to the S204 estate.

Built on the MRA platform, it brought significant weight savings and a more premium interior — and, with the C63 S, the most powerful estate Mercedes had ever built. A 2018 facelift introduced the new OM654 diesel engine, replacing the ageing OM651 across the range.

Key Facts

Platform

Mercedes-Benz MRA (Modular Rear Architecture)

Predecessor

C-Class S204 (W204 estate)

Successor

C-Class S206 (W206 estate)

Sibling body styles in this generation

W205 saloon, C205 coupé, A205 cabriolet

Market Intelligence

The OM651 diesel engine generated 1,250 real UK enquiries in 2025 [MB-VERIFIED], making it the most-requested C-Class engine in our data as these high-mileage workhorses exit warranty.

Mercedes C-Class S205 — Overview

The S205 is the estate variant of Mercedes-Benz's fourth-generation C-Class (W205), launched in 2014 as the successor to the S204 estate.

Built on the MRA platform, it brought significant weight savings and a more premium interior — and, with the C63 S, the most powerful estate Mercedes had ever built. A 2018 facelift introduced the new OM654 diesel engine, replacing the ageing OM651 across the range.

Key Facts

Platform

Mercedes-Benz MRA (Modular Rear Architecture)

Predecessor

C-Class S204 (W204 estate)

Successor

C-Class S206 (W206 estate)

Sibling body styles in this generation

W205 saloon, C205 coupé, A205 cabriolet

Market Intelligence

The OM651 diesel engine generated 1,250 real UK enquiries in 2025 [MB-VERIFIED], making it the most-requested C-Class engine in our data as these high-mileage workhorses exit warranty.

Best & Worst Engines

Best Diesel Overall

OM654.920 (post-2018 C 220d/C 300d)

“The 2.0-litre four-cylinder diesel that replaced the OM651 — smoother, more efficient, and without the OM651's injector seal 'Black Death' risk. AdBlue system issues are the main concern, but these are software-manageable.”

Who it's for: buyers who want a modern diesel without the OM651's ageing weaknesses.

Best Petrol Overall

M276.823 (C 400/C 450/AMG C 43)

“The 3.0-litre twin-turbo V6 offers genuine performance with none of the M177's hot-vee heat management headaches. Timing chain stretch is its known weak point, but preventative maintenance keeps it in check.”

Who it's for: buyers who want six-cylinder refinement without V8 running costs.

Highest Risk

OM651.921 (pre-2018 C 220d/C 250d)

“Injector seal failure ('Black Death') is this engine's defining risk — carbon buildup around the injectors leads to compression loss and, if ignored, engine damage. Timing chain tensioner wear is a secondary concern.”

Who it's for: only buyers with documented injector seal replacement history.

Most Expensive Failure

M177.980 (AMG C 63/C 63 S)

“The 4.0-litre twin-turbo V8 delivers 503bhp in S form, but the hot-vee layout concentrates heat between the cylinder banks — valve cover oil leaks and coolant system issues are the most common, with full replacement costs reaching £14,000.”

Who it's for: AMG buyers with deep pockets and full service history.

Best Value

OM654.920 (post-2018 C 220d)

“The newer diesel offers genuine fuel economy (60+ mpg) with significantly lower failure rates than the OM651 it replaced — and sits in the same used price bracket as older cars with the older engine.”

Who it's for: buyers who want a modern, efficient estate without the OM651's caveats.

Most Overlooked

M274.920 (C 300, 242 bhp)

“The 2.0-litre turbo petrol is often dismissed in favour of the diesel, but it offers genuine performance (6.2s to 60mph) with none of the DPF or injector issues that plague the diesels. It's the sensible petrol choice.”

Who it's for: buyers who want petrol refinement without the V6 or V8 premium.

Best Diesel Overall

OM654.920 (post-2018 C 220d/C 300d)

“The 2.0-litre four-cylinder diesel that replaced the OM651 — smoother, more efficient, and without the OM651's injector seal 'Black Death' risk. AdBlue system issues are the main concern, but these are software-manageable.”

Who it's for: buyers who want a modern diesel without the OM651's ageing weaknesses.

Best Petrol Overall

M276.823 (C 400/C 450/AMG C 43)

“The 3.0-litre twin-turbo V6 offers genuine performance with none of the M177's hot-vee heat management headaches. Timing chain stretch is its known weak point, but preventative maintenance keeps it in check.”

Who it's for: buyers who want six-cylinder refinement without V8 running costs.

Highest Risk

OM651.921 (pre-2018 C 220d/C 250d)

“Injector seal failure ('Black Death') is this engine's defining risk — carbon buildup around the injectors leads to compression loss and, if ignored, engine damage. Timing chain tensioner wear is a secondary concern.”

Who it's for: only buyers with documented injector seal replacement history.

Most Expensive Failure

M177.980 (AMG C 63/C 63 S)

“The 4.0-litre twin-turbo V8 delivers 503bhp in S form, but the hot-vee layout concentrates heat between the cylinder banks — valve cover oil leaks and coolant system issues are the most common, with full replacement costs reaching £14,000.”

Who it's for: AMG buyers with deep pockets and full service history.

Best Value

OM654.920 (post-2018 C 220d)

“The newer diesel offers genuine fuel economy (60+ mpg) with significantly lower failure rates than the OM651 it replaced — and sits in the same used price bracket as older cars with the older engine.”

Who it's for: buyers who want a modern, efficient estate without the OM651's caveats.

Most Overlooked

M274.920 (C 300, 242 bhp)

“The 2.0-litre turbo petrol is often dismissed in favour of the diesel, but it offers genuine performance (6.2s to 60mph) with none of the DPF or injector issues that plague the diesels. It's the sensible petrol choice.”

Who it's for: buyers who want petrol refinement without the V6 or V8 premium.

Mercedes C-Class S205 — Ownership Economics

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

M274.910/920 (C 180/200/250/300)40k–80kCarbon buildup, HPFP issues£400–£1,000£1,500–£3,500

Solid Petrol — reliable, well-understood.

M276.823 (C 400/C 43)50k–90kTiming chain stretch£1,500–£2,500£3,800–£6,500

Best V6 — performance without V8 cost.

M177.980 (AMG C 63/S)30k–70kValve cover oil leaks, coolant system£800–£1,500£6,000–£14,000

AMG Premium — high power, high cost.

OM626.916 (C 180d/200d)60k–100kDPF clogging, injector wear£400–£1,200£1,500–£2,800

Entry Diesel — frugal but DPF-sensitive.

OM651.921 (C 220d/250d)60k–120kInjector seal failure ('Black Death')£400–£1,200£2,800–£4,800

High Risk — budget for injector work.

OM654.920 (C 220d/300d)60k–120kAdBlue system issues£500–£1,500£3,000–£5,000

Best Diesel — modern, fewer failures.

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

M274.910/920 (C 180/200/250/300)40k–80kCarbon buildup, HPFP issues£400–£1,000£1,500–£3,500

Solid Petrol — reliable, well-understood.

M276.823 (C 400/C 43)50k–90kTiming chain stretch£1,500–£2,500£3,800–£6,500

Best V6 — performance without V8 cost.

M177.980 (AMG C 63/S)30k–70kValve cover oil leaks, coolant system£800–£1,500£6,000–£14,000

AMG Premium — high power, high cost.

OM626.916 (C 180d/200d)60k–100kDPF clogging, injector wear£400–£1,200£1,500–£2,800

Entry Diesel — frugal but DPF-sensitive.

OM651.921 (C 220d/250d)60k–120kInjector seal failure ('Black Death')£400–£1,200£2,800–£4,800

High Risk — budget for injector work.

OM654.920 (C 220d/300d)60k–120kAdBlue system issues£500–£1,500£3,000–£5,000

Best Diesel — modern, fewer failures.

The S205 rule

A £2,800–£4,800 OM651 recon against a £6,000–£10,000 S205 sits at 30–80% of the car's value — on sub-£7,000 examples, it brushes our 70% Mercedes-Benz threshold. The OM654 is a safer bet: newer cars are worth more, so the same £3,000–£5,000 recon drops to a routine 25–40%. Value the car first; budget for the engine second.

Key Takeaways

Which S205 Costs Least To Own?
C 200d (OM626) — cheapest recon, simple four-cylinder diesel.
Which S205 Costs Most To Own?
AMG C 63 S — V8 replacement and hot-vee maintenance costs.
Which S205 Is Best Value?
Post-2018 C 220d (OM654) — modern diesel without the OM651's caveats.

Common Problems

01

OM651

Injector Seal Failure ('Black Death')

Affected models:

S205 C 220d, C 250d (pre-2018, OM651.921).

OM651 Injector Seal Failure ('Black Death')

Typical failure mileage:

60,000–120,000 miles.

Root cause:

The copper injector seals degrade over time, allowing combustion gases to escape past the injector — this causes carbon buildup around the injector, a telltale "chuffing" sound, and eventually compression loss if ignored.

Tiered Cost Table

Dealer

Specialist

Dealer

Specialist

Our Recommendation

At the first sign of chuffing or diesel smell from the engine bay, have the injector seals inspected immediately — a £400–£1,200 specialist repair is far cheaper than the £4,000+ replacement that follows if compression loss occurs.

Compare OM651 engine prices for your S205 C 220d

02

M276

Timing Chain Stretch

Affected models:

S205 C 400, C 450 AMG Sport, AMG C 43 (all M276.823 variants).

Typical failure mileage:

50,000–90,000 miles.

Root cause:

The timing chain tensioner can wear prematurely, allowing the chain to stretch — this leads to rattling on start-up and, in extreme cases, catastrophic engine failure if the chain jumps.

Tiered Cost Table

Dealer

Specialist

Dealer

Specialist

Our Recommendation

If your C 400 or C 43 rattles on cold start, don't delay — a £1,500–£2,500 chain replacement is a fraction of the £5,500+ engine replacement that follows if the chain fails entirely.

Compare M276 engine prices for your S205 C 43

03

M177

V8 Valve Cover Oil Leaks

Affected models:

S205 AMG C 63, C 63 S (all M177.980 variants).

Typical failure mileage:

30,000–70,000 miles.

Root cause:

The hot-vee layout concentrates heat between the cylinder banks, accelerating gasket and seal degradation — valve cover oil leaks are the most common complaint, with oil seeping onto exhaust manifolds.

Tiered Cost Table

Dealer

Specialist

Dealer

Specialist

Our Recommendation

At the first sign of oil smell or visible seepage around the valve covers, have the gaskets replaced immediately — an £800–£1,500 specialist repair is far cheaper than the £8,000+ replacement that follows if oil loss leads to bearing failure.

Compare M177 engine prices for your S205 C 63

04

OM654

AdBlue System Failures

Affected models:

S205 C 220d, C 300d (post-2018, OM654.920).

Typical failure mileage:

60,000–120,000 miles.

Root cause:

The AdBlue (DEF) system uses NOx sensors and a heater that can fail — leading to warning lights, reduced power, and in some cases, the car refusing to start if the AdBlue system is not repaired.

Tiered Cost Table

Dealer

Specialist

Dealer

Specialist

Our Recommendation

On any OM654-powered S205 over 60,000 miles, have the AdBlue system inspected annually — a £500–£1,200 sensor replacement is cheap insurance against a £3,000+ engine replacement.

Compare OM654 engine prices for your S205 C 220d

S205 Engine Replacement Costs — By Engine and Condition

VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours

C 180M274.910£800–£1,500£1,500–£2,800£2,500–£4,0008–12 hrs

C 200 / C 250M274.920£1,000–£1,800£1,800–£3,200£3,000–£4,5008–12 hrs

C 300M274.920£1,200–£2,000£2,000–£3,500£3,200–£5,0008–12 hrs

C 400 4MATICM276.823£2,000–£3,500£3,800–£6,500£5,500–£8,50012–16 hrs

C 450 / C 43M276.823£2,000–£3,500£3,800–£6,500£5,500–£8,50012–16 hrs

AMG C 63M177.980£3,500–£6,000£6,000–£10,000£8,000–£14,00014–18 hrs

AMG C 63 SM177.980£4,000–£7,000£8,000–£14,000£10,000–£16,00014–18 hrs

C 180d / C 200dOM626.916£800–£1,500£1,500–£2,800£2,500–£4,0008–12 hrs

C 220d / C 250dOM651.921£1,500–£2,800£2,800–£4,800£4,000–£6,00010–14 hrs

C 220d / C 300d (post-2018)OM654.920£1,800–£3,200£3,000–£5,000£4,500–£7,00010–14 hrs

No Generation variance from the baseline figures — the S205 estate shares its MRA platform with the W205 saloon, and engine-bay access is consistent across the range. Costs are inherited from the EM data's Table A.

Core Variants

Diesel Variants

C 180dC 200dC 220dC 250dC 300dC 300h BlueTEC Hybrid

Petrol Variants

C 180C 200C 250C 300C 400 4MATICC 450 AMG SportAMG C 43 4MATICAMG C 63AMG C 63 S

Scope note: All variants listed are S205 estate only. W205 saloon, C205 coupé and A205 cabriolet share most of these engines but are covered on their own Generation Pages, since fitment and labour access vary slightly by body style.

Core Variants

Diesel Variants

C 180dC 200dC 220dC 250dC 300dC 300h BlueTEC Hybrid

Petrol Variants

C 180C 200C 250C 300C 400 4MATICC 450 AMG SportAMG C 43 4MATICAMG C 63AMG C 63 S

Scope note: All variants listed are S205 estate only. W205 saloon, C205 coupé and A205 cabriolet share most of these engines but are covered on their own Generation Pages, since fitment and labour access vary slightly by body style.

Market Intelligence

Most Requested E90 Engines (2025)

1.1. OM651.921 (C 220d/250d) — 1,250 [MB-VERIFIED]
2.2. OM654.920 (C 220d/300d) — 520 [MB-VERIFIED]
3.3. M276.823 (C 400/C 43) — 390 [MB-VERIFIED]

Most Requested E90 Variants

1.1. C 220d
2.2. C 250d
3.3. AMG C 63 S

Average E90 Replacement Cost

£1,500–£14,000 [MB-QUOTE]

Most Common E90 Failures

1.1. OM651 injector seal failure ('Black Death')
2.2. M276 timing chain stretch
3.3. M177 valve cover oil leaks

Live Feed

VehicleLocationIssueEnquiries

Mercedes C 220d S205 (OM651)

Birmingham

Chuffing noise / diesel smell from engine bay

8

enquiries

Mercedes C 43 S205 (M276)

London

Rattle on cold start

4

enquiries

Mercedes C 63 S S205 (M177)

Manchester

Oil leak from valve cover

3

enquiries

Updated Monthly

FAQ

BMW 3 Series E90 rear three-quarter view

Why UK Mercedes C-Class S205 Owners Trust MercedesEngines.uk

Trusted S205 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real C-Class estate owners, as part of the Engine Finders network.
Compare S205 Engine Replacement Companies
see prices, warranty terms, and supply‑&‑fit options side‑by‑side before you commit, with transparent quotes from 25+ vetted Mercedes specialists.
UK Engine Replacement Services for S205
covering every variant from C 180d to AMG C 63 S, with supply‑only or full supply‑&‑fit available nationwide.

Find the best Mercedes C-Class S205 engine replacement UK drivers rely on. Compare real prices from trusted specialists on EnginesMarket today — whether you need a frugal diesel, a refined V6, or the thunderous V8, we'll get you back on the road with confidence.

Compare Mercedes C-Class S205 Engine Prices on EnginesMarket

Why UK Mercedes C-Class S205 Owners Trust MercedesEngines.uk

Trusted S205 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real C-Class estate owners, as part of the Engine Finders network.
Compare S205 Engine Replacement Companies
see prices, warranty terms, and supply‑&‑fit options side‑by‑side before you commit, with transparent quotes from 25+ vetted Mercedes specialists.
UK Engine Replacement Services for S205
covering every variant from C 180d to AMG C 63 S, with supply‑only or full supply‑&‑fit available nationwide.

Find the best Mercedes C-Class S205 engine replacement UK drivers rely on. Compare real prices from trusted specialists on EnginesMarket today — whether you need a frugal diesel, a refined V6, or the thunderous V8, we'll get you back on the road with confidence.

Compare Mercedes C-Class S205 Engine Prices on EnginesMarket

Mercedes C-Class S205 Engines — The Complete UK Guide

Mercedes C-Class S205 Engine Codes — The Complete Database

Mercedes C-Class S205 — Overview

Mercedes C-Class S205 — Overview

Best & Worst Engines

Mercedes C-Class S205 — Ownership Economics

Common Problems

S205 Engine Replacement Costs — By Engine and Condition

Core Variants

Core Variants

Market Intelligence

FAQ

Why UK Mercedes C-Class S205 Owners Trust MercedesEngines.uk

Why UK Mercedes C-Class S205 Owners Trust MercedesEngines.uk