What are the common problems with the Mercedes-Benz E200 and E250 petrol?

M271: timing chain stretch (pre-100,000 miles), plastic oil filter housing cracking. M274: camshaft adjuster wear (cold-start rattle), carbon build-up on intake valves, oil wicking into wiring harness, NOx sensor failure, piston cracking (early examples). M264: complex 48V system, unproven long-term.

Is it worth replacing a Mercedes-Benz E200 / E250 petrol engine, or should I scrap the car?

E-Class values remain strong — a well-kept W212 or W213 is often worth £8,000–£25,000+. A £2,500–£7,500 reconditioned engine is 15–40% of the vehicle's value — apply the Mercedes 70% scrap threshold. If the car is a cherished example with good bodywork, replacement is often worthwhile.

How do I find my Mercedes-Benz E200 or E250 petrol engine code?

Listed on the VIN plate and vehicle documentation. W212 pre-facelift (2009–2012) uses M271; W212 facelift (2013–2015) uses M274; W213 early (2016–2019) uses M274; W213 late (2019–2023) uses M264. Tell us your registration date and we'll confirm it for free.

Can I repair the M271 / M274 timing chain, or does the engine need replacement?

The timing chain and camshaft adjusters can be replaced — they are wear items. Replacement costs £1,200–£3,000. If the chain fails and jumps timing, the engine is typically destroyed. A preventative chain and adjuster replacement is far cheaper than a full engine replacement (£2,500+). At the first sign of rattling or crackling on cold start, book an inspection immediately.

Mercedes-Benz E200 / E250 Petrol2009–20233 Engine Generations

Mercedes-Benz E200 / E250 Petrol Engine Replacement — Compare Prices & Get Quotes

Name: Mercedes-Benz E200 / E250 Petrol UK Engine Enquiry Data 2025
Creator: MercedesEngine.uk

The E200 and E250 petrols are powered by Mercedes' turbocharged four-cylinder engines — the M271 in pre-facelift cars, the M274 in facelift and early W213 models, and the M264 in later W213s. They're smooth, efficient and refined, but timing chain issues, camshaft adjuster wear and injector problems are well-documented. Get quotes from UK specialists for reconditioned, rebuilt and used units today.

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Mercedes-Benz E200 / E250 Petrol Engines — from £1,500 to £7,500Common codes: M271, <a href='https://mercedesengines.uk/engine/m274'>M274</a>, M264

Mercedes-Benz E200 / E250 Petrol Engines — from £1,500 to £7,500· Common codes: M271, <a href='https://mercedesengines.uk/engine/m274'>M274</a>, M264

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

The E200 / E250 PETROL THROUGH TIME — Era Map

Four generations. Four eras. One guide to reliability, costs and what really matters.

GenerationYearsEngine CodeReliabilityRecon CostEra Note

Why use this era map?

Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.

Real UK Cost Data

Verified Reliability

Expert Insights

Updated for 2025

Mercedes-Benz E200 / E250 Petrol Engine Replacement Costs

Supply Only£2,500–£5,000

Fitted (Indie)£4,500–£7,000

Warranty12–24 months

Best ForMost owners — best cost/warranty balance

Engine TypeSupply OnlyFitted (Indie)WarrantyBest For

Used Engine£1,500–£3,500£3,000–£5,5001–6 monthsBudget priority; older M271 examples

Reconditioned Engine£2,500–£5,000£4,500–£7,00012–24 monthsMost owners — best cost/warranty balance

Rebuilt Engine£4,000–£7,500£6,000–£9,50012–24 monthsLong‑term ownership; 3+ year horizon

Main Dealer New£6,000–£10,000+£8,000–£12,000+24–36 monthsInsurance jobs, warranty claims

Figures above reflect the current E200/E250 petrol market. M271-engined cars sit at the lower end of the range; M264 engines command a premium. M274 engines are typically priced between M271 and M264. Reconditioned M264 engines start from around £2,850–£3,495.

Labour estimate: Fitting an E200/E250 petrol engine typically takes 10–14 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer). Most four-cylinder timing chain jobs are a one-day job.

→ Compare E200 / E250 petrol engine prices from UK specialists

Common Problems

1. Timing Chain Stretch and Camshaft Adjuster Wear (M271 & M274)

Symptoms: Rattling or crackling noise on cold start lasting 2–3 seconds, metallic ticking from the front of the engine, rough idle, loss of power, engine warning light (cam timing performance codes), Check Engine light

Typical mileage: 60,000–100,000 miles (M271) / 80,000–120,000 miles (M274)

Repair cost: £1,200–£3,000 (timing chain, tensioner and camshaft adjuster replacement)

Replacement cost: £2,500–£5,000 (if chain jumps and causes valve interference)

🔴 Immediate - if the timing chain fails, the engine is typically destroyed

Our recommendation:

The M271's timing chain is a well-documented weak point — "the main problem is the short life of the timing belt, chain, sprockets and tensioner". The M274 also suffers from camshaft adjuster wear, with a "metallic crackling or rumble for 2-3 seconds" on cold start being the classic symptom. If you hear rattling on cold start, book an inspection immediately. A preventative chain and adjuster replacement is far cheaper than a full engine replacement.

Read the full timing chain failure guide

1. Timing Chain Stretch and Camshaft Adjuster Wear (M271 & M274)

Typical mileage: 60,000–100,000 miles (M271) / 80,000–120,000 miles (M274)

Repair cost: £1,200–£3,000 (timing chain, tensioner and camshaft adjuster replacement)

Replacement cost: £2,500–£5,000 (if chain jumps and causes valve interference)

🔴 Immediate - if the timing chain fails, the engine is typically destroyed

Our recommendation:

Read the full timing chain failure guide

2. M274 — Carbon Build-up on Intake Valves

Symptoms: Loss of power, rough idle, higher fuel consumption, hesitation on acceleration

Typical mileage: 60,000–120,000 miles

Repair cost: £400–£1,200 (walnut blasting intake valve cleaning)

Replacement cost: N/A — repair only

🟡 Monitor - book inspection soon

Our recommendation:

Like all direct-injection petrol engines, the M274 suffers from carbon build-up on the intake valves. Regular cleaning and the use of specific additives can help prevent long-term damage. If you notice loss of power or rough idle, have the intake valves inspected.

Read the full carbon build-up guide

3. M274 — Oil Wicking into Wiring Harness (Oil Pump Valve)

Symptoms: Various electrical faults, engine warning light, erratic sensor readings, ECU failure

Typical mileage: 60,000–120,000 miles

Repair cost: £500–£2,000 (harness cleaning or replacement, oil stop adapter installation)

Replacement cost: N/A — repair only

🟠 Check - book inspection urgently

Our recommendation:

The M274 has a known issue where the oil pump valve can leak oil into the wiring harness, potentially reaching the ECU. This "hidden threat" can cause expensive electrical damage. Specialist repair shops install an oil stopper adapter to prevent oil from travelling up the wiring. If you experience electrical gremlins, have the harness inspected.

Read the full oil wicking guide

4. M271 — Plastic Oil Filter Housing Cracking

Symptoms: Oil leaks, visible oil spots under the car, low oil level warning, burning oil smell

Typical mileage: 60,000–120,000 miles

Repair cost: £300–£800 (oil filter housing replacement)

Replacement cost: N/A — repair only

🟠 Check - book inspection urgently

Our recommendation:

The M271's oil filter housing was originally made of plastic and is prone to cracking. In some cases, replacing the gasket helps, but the correct solution is replacing the housing. Check for oil leaks around the filter housing area.

Read the full oil leak guide

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E200 / E250 Petrol — Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

E200 / E250 Petrol — Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

Can It Be Repaired?

ProblemRepairable?Typical CostWhen It Makes SenseTiming chain stretch (M271)✅ Yes£1,200–£3,000Labour-intensive but far cheaper than a full engine replacementCamshaft adjuster wear (M274)✅ Yes£1,200–£3,000Replace with upgraded units — catch before chain jumpsTiming chain failure (engine damage)❌ Usually NoEngine replacementIf chain jumps and valves hit pistons, replacement is the only optionCarbon build-up (M274)✅ Yes£400–£1,200Walnut blasting — well-understood by Mercedes specialistsOil wicking into harness (M274)✅ Yes£500–£2,000Harness cleaning and oil stop adapter — save the ECUPlastic oil filter housing (M271)✅ Yes£300–£800Replace housing — catch before oil starvation

Buying This E200 / E250 Petrol? Check These First

Buy If

Late W213 (2019+) with M264 engine — the most modern and refined of the three
W212 facelift (2013–2015) or early W213 with documented timing chain and camshaft adjuster work — the defining weaknesses addressed
M274 car with evidence of carbon cleaning and harness inspection
Full service history with correct MB-spec oil — all three engines are sensitive to oil quality

Avoid If

M271 with no proof of timing chain work — the chain can fail before 100,000 miles
Any rattling or crackling on cold start — timing chain or camshaft adjuster wear is likely
M274 with evidence of electrical issues — oil wicking may have damaged the harness or ECU
Poor service history — these engines are unforgiving of neglect

Closing Verdict

The E200 and E250 petrols are powered by three generations of Mercedes turbocharged four-cylinders. The M271 (2009–2012) is the least reliable — timing chain failure before 100,000 miles is well-documented. The M274 (2013–2019) is a significant improvement but suffers from camshaft adjuster wear, carbon build-up, and oil wicking issues. The M264 (2019–2023) is the most modern and refined, with promising early reliability. Buy on history, maintain on schedule, and these engines will reward you with smooth, efficient performance. Skip the history and it will punish you.

Don't guess.Get the right engine at the right price.

→ Compare E200 / E250 petrol engine prices before you buy

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Buying Checklist

Before you buy a used Mercedes-Benz E200 or E250 petrol (or before you commit to an engine replacement), check these:

1. Cold Start — Listen for rattling or crackling lasting more than 1–2 seconds (timing chain or camshaft adjuster warning — the most critical check on all three engines)

2. Service History — including which generation (M271, M274 or M264) and evidence of timing chain work

3. Oil Leaks (M271) — Any oil under the car? (plastic oil filter housing warning)

4. Electrical Issues (M274) — Any warning lights or erratic behaviour? (oil wicking into harness warning)

5. Performance — Any loss of power or hesitation? (carbon build-up or injector issues)

6. Engine Warning Light — Have codes been read? Any unresolved issues?

7. Coolant Level — Any unexplained loss? (thermostat or cooling system issues)

8. MOT History — Check for emissions-related failures (NOx sensor, catalyst, O2 sensors)

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Engine Codes

This table's rows match Section 1B's Era Map exactly — three engine families across the E200/E250 petrol's history.

M271 EVO

Years2009–2012

Power184–204 hp

2025 Enquiries[PATTERN DATA]

Avg. Recon Cost£2,500–£5,000 [MB-QUOTE]

Engine CodeYearsPower2025 EnquiriesAvg. Recon Cost

M271 EVO2009–2012184–204 hp[PATTERN DATA]£2,500–£5,000 [MB-QUOTE]

M2742013–2019184–211 hp[PATTERN DATA]£3,000–£6,000 [MB-QUOTE]

M2642019–2023197 hp[PATTERN DATA]£3,500–£7,500 [MB-QUOTE]

Technical Specs

M264 — W213 Late

Displacement1,991cc (2.0‑litre)

Cylinders4-cylinder inline

Compression Ratio9.8:1

Fuel SystemDirect injection

TurbochargerSingle turbocharger

ValvetrainDOHC, 4 valves per cylinder, timing chain

Oil SpecificationMB 229.5

Displacement1,991cc (2.0‑litre)

Cylinders4-cylinder inline

Fuel SystemDirect injection

TurbochargerSingle turbocharger

MHEV48V EQ Boost integrated starter-generator

→ Compare E200 / E250 petrol engine prices for your Mercedes

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Market Intelligence

Most Common Failure

M271: Timing chain stretch / M274: Camshaft adjuster wear and oil wicking / M264: Unproven long-term — the defining risks of each generation

Average Enquiry Mileage

M271: 80,000–120,000 miles / M274: 60,000–100,000 miles / M264: 30,000–60,000 miles【PATTERN DATA】

Average Replacement Cost

M271: £2,500–£5,000 / M274: £3,000–£6,000 / M264: £3,500–£7,500 reconditioned, supply only【MB-QUOTE】

Most Requested Engine Code

M274 — the most common E-Class petrol engine【PATTERN DATA】

Peak Enquiry Season

Autumn — pre‑winter vehicle preparation【PATTERN DATA】

Regional Demand

London20%

South East18%

South West (14%)【PATTERN DATA】

Regional Demand Breakdown

20%London

18%South East

Frequently Asked Questions

All prices are indicative UK market ranges based on historical quote data from our network of engine specialists. Actual costs vary by variant, engine code, damage severity and workshop location. Use our free comparison tool to get tailored quotes. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty — always confirm terms with your chosen supplier.

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