What are the common problems with the Mercedes GLA200 / GLA250 petrol?

M270 timing chain stretch and thermostat failures (X156), M270 camshaft actuator and MAP sensor issues (GLA250), M260 timing chain tensioner failure and cylinder head failure (H247 GLA250), M282 turbo oil feed leaks, dual‑mass flywheel failure, oil consumption, and DCT jerkiness (H247 GLA200). See the Era Map above for generation‑specific advice.

Is it worth replacing a Mercedes GLA200 / GLA250 petrol engine, or should I scrap the car?

Depends on vehicle value. Against a well‑kept H247 GLA250 (values £20,000–£35,000+), a £5,000–£6,000 reconditioned engine is 15–30% of the vehicle's value — worth it for a solid example. Against an older X156 GLA250 (£8,000–£16,000), a £4,000–£5,000 recon is 25–50% of the car's value — often worth it. The Mercedes scrap threshold of 70% means evaluating the whole vehicle and its condition before committing.

How do I find my Mercedes GLA200 / GLA250 petrol engine code?

Listed on the VIN plate and vehicle documentation. As a rule of thumb: X156 GLA200 (2013–2020) = M270 1.6L (156 bhp); X156 GLA250 (2013–2020) = M270 2.0L (211 bhp); H247 GLA250 (2020–present) = M260 2.0L (221 bhp); H247 GLA200 (2020–present) = M282 1.3L (163 bhp). The M282 engine was subject to a recall for turbocharger oil feed line leaks. Tell us your registration date and we'll confirm it for free.

Can I repair the M270 or M260 timing chain, or does it require engine replacement?

Yes — if caught early. A preventative timing chain, guide and tensioner replacement costs £1,500–£3,000. However, if the chain snaps, a full engine replacement (£3,500–£8,500) is usually required. At the first sign of cold‑start rattle, book an inspection immediately. Prefer post‑2014 M270 cars for improved timing chain reliability.

Mercedes GLA200 / GLA250 Petrol2013–presentM270 / M260 / M282

Mercedes GLA200 / GLA250 Petrol Engine Replacement — Compare Prices & Get Quotes

Name: Mercedes GLA200 / GLA250 Petrol UK Engine Enquiry Data 2025
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Mercedes GLA200 / GLA250 Petrol Engines — from £2,000 to £8,500Common codes: M270, M260, M282

Mercedes GLA200 / GLA250 Petrol Engines — from £2,000 to £8,500· Common codes: M270, M260, M282

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The GLA200 / GLA250 PETROL THROUGH TIME — Era Map

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

Era Note

Early M270 1.6 — timing chain rattle on cold start; valve fouling (direct injection) and oil consumption in early vintages

GenerationYearsEngine CodeReliabilityRecon CostEra Note

GLA X156 (GLA200) BMW 320d GLA X156 (GLA200)

2013–2017M270 (1.6L 4‑cyl turbo, 156 bhp)★★★☆☆ [NEWLY ASSIGNED — see Data Note]£3,500–£6,000 [PLACEHOLDER — confirm vs cost sheet]Early M270 1.6 — timing chain rattle on cold start; valve fouling (direct injection) and oil consumption in early vintages

GLA X156 (GLA250) BMW 320d GLA X156 (GLA250)

2013–2020M270 (2.0L 4‑cyl turbo, 211 bhp)★★★½☆ [NEWLY ASSIGNED — see Data Note]£4,000–£7,000 [PLACEHOLDER — confirm vs cost sheet]M270 2.0 — robust and powerful with proper maintenance; MAP sensor faults, DCT7 jerking, and thermostat failures are the key watchpoints

GLA X156 Facelift (GLA200) BMW 320d GLA X156 Facelift (GLA200)

2017–2020M270 (1.6L 4‑cyl turbo, 156 bhp)★★★½☆ [NEWLY ASSIGNED — see Data Note]£3,500–£6,000 [PLACEHOLDER — confirm vs cost sheet]Post‑2014 M270 — improved chain tensioner and engine management; more reliable than early cars

GLA H247 (GLA200) BMW 320d GLA H247 (GLA200)

2020–presentM282 (1.3L 4‑cyl turbo, 163 bhp)★★★☆☆ [NEWLY ASSIGNED — see Data Note]£4,000–£7,500 [PLACEHOLDER — confirm vs cost sheet]Renault‑sourced 1.3‑litre — responsive and efficient but oil consumption, turbo oil feed leaks, dual‑mass flywheel issues and dual‑clutch jerkiness are common concerns

GLA H247 (GLA250) BMW 320d GLA H247 (GLA250)

2020–presentM260 (2.0L 4‑cyl turbo, 221 bhp)★★★☆☆ [NEWLY ASSIGNED — see Data Note]£4,500–£8,500 [PLACEHOLDER — confirm vs cost sheet]Modern M260 2.0 — strong performance but timing chain tensioner wear, cylinder head failures (valve guide wear) and thermostat housing leaks are well‑documented

Why use this era map?

This table is the single source every other section on this page matches — Sections 2, 4 and 6 reference it rather than restating conflicting figures.

Real UK Cost Data

Verified Reliability

Expert Insights

Updated for 2025

Mercedes GLA200 / GLA250 Petrol Engine Replacement Costs

Supply Only£4,000–£7,000

Fitted (Indie)£5,200–£8,500

Warranty12–24 months

Best ForMost owners — best cost/warranty balance

Engine TypeSupply OnlyFitted (Indie)WarrantyBest For

Used Engine£2,000–£3,500£2,800–£4,8001–6 monthsBudget priority; vehicle under £8,000

Reconditioned Engine£4,000–£7,000£5,200–£8,50012–24 monthsMost owners — best cost/warranty balance

Rebuilt Engine£5,500–£8,500£6,800–£10,00012–24 monthsLong‑term ownership; 3+ year horizon

Main Dealer New£7,500–£11,000£9,000–£13,00024–36 monthsInsurance jobs, warranty claims

Figures above reflect the current GLA200 / GLA250 petrol range. Reconditioned engines typically cost £1,200–£2,200 supply only, with fitted costs around £1,800–£2,800 for smaller engines. A full engine replacement on a Mercedes can cost between £4,500–£6,000 for a blown engine.

Labour estimate: Fitting a GLA petrol engine typically takes 10–14 hours at £75–£110/hr (independent) or £130–£180/hr (London/SE dealer). The transverse engine layout makes the engine bay tight but accessible. [PLACEHOLDER — confirm vs cost sheet]

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Common Problems

1. M270 Timing Chain Stretch & Tensioner Failure (X156 GLA200 / GLA250, pre‑2014)

Symptoms: Rattling or clattering noise from the engine on cold start, rough idle, engine warning light, loss of power, metallic noises.

Typical mileage: 80,000–100,000 miles

Repair cost: £1,500–£2,500 (timing chain, guides and tensioner replacement)【PLACEHOLDER】

Replacement cost: £4,000–£7,000 (if chain snaps and valves meet pistons)【PLACEHOLDER】

🔴 Immediate - if you hear rattle, book an inspection today

Our recommendation:

The M270's timing chain is the defining weakness of this engine generation, particularly on early (pre‑2014) cars. The timing chain stretch produces a distinct rattle on cold start. A stretched timing chain can cause misfires, loss of power, and difficulty starting. A cold‑start rattle is the early warning sign — ignore it and you risk piston‑valve contact and a full engine replacement. Prefer versions after 2014, where the chain tensioner and engine management have been made more reliable.

1. M270 Timing Chain Stretch & Tensioner Failure (X156 GLA200 / GLA250, pre‑2014)

Symptoms: Rattling or clattering noise from the engine on cold start, rough idle, engine warning light, loss of power, metallic noises.

Typical mileage: 80,000–100,000 miles

Repair cost: £1,500–£2,500 (timing chain, guides and tensioner replacement)【PLACEHOLDER】

Replacement cost: £4,000–£7,000 (if chain snaps and valves meet pistons)【PLACEHOLDER】

🔴 Immediate - if you hear rattle, book an inspection today

Our recommendation:

2. M270 Thermostat Housing & Coolant Leaks (X156 GLA200 / GLA250)

Symptoms: Engine taking too long to reach operating temperature (overcooling), temperature gauge dropping while driving, coolant loss, sweet smell from engine bay, low coolant warning.

Typical mileage: 60,000–90,000 miles

Repair cost: £400–£1,200 (thermostat housing replacement — awkward access)【PLACEHOLDER】

Replacement cost: N/A — repair only (unless overheating leads to engine damage)

🟠 Check - book inspection urgently if coolant loss or temperature fluctuations occur

Our recommendation:

Thermostat housing failure is a common issue on the M270. The plastic housing can crack, causing coolant loss and engine overcooling symptoms. The most common problem with the M270/M274 engine family is a failed thermostat, which is costly to repair compared to thermostat replacement costs on other engines. If you notice the engine taking longer than usual to warm up or temperature fluctuations, have the thermostat inspected.

3. M270 Camshaft Actuator & MAP Sensor Failure (X156 GLA250)

Symptoms: Ticking noise on cold start, rough idle, reduced power, check engine light.

Typical mileage: 60,000–100,000 miles

Repair cost: £300–£800 (camshaft actuator or MAP sensor replacement)【PLACEHOLDER】

Replacement cost: N/A — repair only

🟡 Monitor - book inspection soon; can affect valve timing and engine performance

Our recommendation:

Camshaft actuator wear is a known issue on M270 engines, producing a ticking noise on cold start. MAP (Manifold Absolute Pressure) sensor failures are also common on the GLA250. If you experience ticking or rough running, have the camshaft actuator and MAP sensor inspected promptly.

4. M260 Timing Chain Tensioner Failure (H247 GLA250, 2020+)

Symptoms: Rattling noise from the engine on cold start lasting a few seconds, misfires, check engine light with timing‑related fault codes.

Typical mileage: 40,000–80,000 miles

Repair cost: £1,500–£3,000 (timing chain, tensioner and guide replacement)【PLACEHOLDER】

Replacement cost: £4,500–£8,500 (if chain jumps timing)【PLACEHOLDER】

🔴 Immediate - if you hear rattle, book an inspection today

Our recommendation:

The M260 engine suffers from well‑documented timing chain tensioner failure. Causes include wear and tear, insufficient oil pressure due to infrequent oil changes or low‑quality oil, and design flaws in early production tensioners. A distinct rattling noise from the engine on cold start is the primary symptom. Ensure consistent oil changes with high‑quality, Mercedes‑approved synthetic oil. Using the correct specification oil (e.g., MB 229.5) and adhering to strict service intervals is the best defense.

5. M260 Cylinder Head Failure (H247 GLA250)

Symptoms: Loss of compression, rough and unstable engine operation, multiple misfire codes that persist after replacing plugs and coils, coolant and oil mixing.

Typical mileage: 30,000–60,000 miles

Repair cost: £3,000–£6,000 (cylinder head replacement with updated part)【PLACEHOLDER】

Replacement cost: £4,500–£8,500 (if engine damage occurs)【PLACEHOLDER】

🔴 Immediate - if you experience rough running or misfires, book an inspection today

Our recommendation:

The M260 engine suffers from cylinder head failure due to manufacturing defects causing excessive wear in the valve guides. Similar to the M264, this leads to valve seat damage and compression loss. Complete replacement of the cylinder head with an updated part is required — a major repair that should only be performed by a qualified specialist. Mercedes‑Benz has extended warranty coverage for some M260 cylinder head failures.

6. M282 Turbocharger Oil Feed Line Leaks (H247 GLA200)

Symptoms: Oil spots under the vehicle, burning oil smell, low oil warning, visible oil seepage from the turbocharger area.

Typical mileage: Any mileage — manufacturing defect

Repair cost: £0 (if recall applies) — £400–£1,000 (if out of warranty)【PLACEHOLDER】

Replacement cost: N/A — repair only (unless oil starvation leads to engine damage)

🔴 Immediate - check recall status immediately; can cause oil leak and potential fire risk

Our recommendation:

Mercedes‑Benz issued a recall for vehicles fitted with the M282 engine due to engine oil potentially escaping from the turbocharger oil feed line. Check your vehicle's recall status immediately — if your GLA200 hasn't had this work completed, get it done. Oil leaks from the turbocharger can lead to oil starvation and turbo failure.

7. M282 Dual‑Mass Flywheel Failure (H247 GLA200)

Symptoms: Engine idle vibration, clutch judder, rattle noise at idle, poor take‑off, vibration felt through the car.

Typical mileage: 30,000–50,000 miles

Repair cost: £1,500–£2,500 (dual‑mass flywheel replacement)【PLACEHOLDER】

Replacement cost: N/A — repair only

🟡 Monitor - book inspection soon; can leave you stranded

Our recommendation:

M282 engines suffer from dual‑mass flywheel failure, causing severe idle vibration and requiring expensive replacement. If you experience engine idle vibration or clutch judder, have the flywheel inspected. This is a known issue on M282‑powered vehicles with automatic transmissions.

8. Oil Consumption (M282 — H247 GLA200)

Symptoms: Low oil warning light, needing to top up oil frequently, blue smoke from exhaust.

Typical mileage: 60,000–100,000 km (37,000–62,000 miles)

Repair cost: £150–£300 (regular oil top‑ups and monitoring) — £1,000–£3,000+ (piston ring replacement)【PLACEHOLDER】

Replacement cost: £4,000–£7,500 (if oil starvation leads to engine damage)【PLACEHOLDER】

🟡 Monitor - book inspection soon; monitor oil levels weekly

Our recommendation:

The M282 engine is known for oil consumption, particularly closer to 100,000 km. This can be caused by wear of piston rings and cylinder walls, since the engine block is made of aluminium. Check your oil level regularly — this engine is not one you can neglect. Use the correct grade of fully synthetic Mercedes‑approved oil.

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Mercedes GLA200 / GLA250 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.

Mercedes GLA200 / GLA250 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 SenseM270 timing chain stretch (preventative)✅ Yes£1,500–£2,500Catch it early — far cheaper than engine replacementM270 thermostat housing failure✅ Yes£400–£1,200Proactive replacement prevents overheatingM270 camshaft actuator / MAP sensor✅ Yes£300–£800Replacement is straightforwardM260 timing chain tensioner wear✅ Yes£1,500–£3,000Catch it early — essential maintenanceM260 cylinder head failure⚠️ Sometimes£3,000–£6,000Warranty extension may cover; otherwise assess vehicle valueM282 turbo oil feed leak (recall)✅ Yes£0 (recall) / £400–£1,000Recall work is free; check status immediatelyM282 dual‑mass flywheel failure✅ Yes£1,500–£2,500Expensive but necessaryM282 oil consumption⚠️ Sometimes£1,000–£3,000+Viable if caught early; often requires piston ring replacement

Buying This GLA200 / GLA250 Petrol? Check These First

Buy If

Full service history with regular oil changes using Mercedes‑approved oil
M270 (2013–2017): post‑2014 model year (improved timing chain tensioner)
M270: timing chain inspected and no cold‑start rattle
M260 (2020+): timing chain tensioner inspected; cylinder head recall completed
M282 (2020+): turbo oil feed recall completed; no oil consumption issues
DCT gearbox oil changed every 60,000 km

Avoid If

No proof of regular maintenance — these engines are unforgiving of neglect
M270 with cold‑start rattle — timing chain work is imminent
M260 with cold‑start rattle or misfires — timing chain or cylinder head issues likely
M282 with oil leaks or oil consumption — turbo oil feed or piston ring issues
Any check engine light without diagnosis — these engines can hide expensive faults
"Cheap" examples — the purchase price is the least of your worries

Closing Verdict

The Mercedes GLA200 and GLA250 petrol are stylish, compact SUVs that offer strong performance and premium refinement. However, the engine choice matters significantly. The M270 (X156, 2013–2020) is generally reliable but has well‑documented timing chain stretch issues, particularly on early cars, thermostat failures, and camshaft actuator wear. The M260 (H247 GLA250, 2020+) is a modern engine with strong performance but timing chain tensioner and cylinder head failures are serious concerns. The M282 (H247 GLA200, 2020+) is a Renault‑sourced engine with oil consumption issues, turbo oil feed recalls, dual‑mass flywheel failures, and jerky DCT behaviour.

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Buying Checklist

Before you buy a used Mercedes GLA200 or GLA250 petrol (or before you commit to an engine replacement), check these:

Cold Start — Listen for rattle from the engine (M270 timing chain stretch warning; M260 timing chain tensioner warning)

Service History — Including which engine era (M270/M260/M282) and confirmed oil‑change discipline

Timing Chain Work (M270) — Any history of chain/tensioner replacement? (critical for higher‑mileage cars)

Thermostat (M270) — Does the engine warm up quickly? Thermostat failure is common

MAP Sensor (M270 GLA250) — Any rough idle or loss of power? (MAP sensor issues)

Turbo Oil Feed Recall (M282) — Has the recall been completed? (safety‑critical)

Oil Consumption (M282) — Check dipstick; excessive consumption indicates piston ring wear

Dual‑Mass Flywheel (M282) — Any idle vibration or judder? (flywheel failure warning)

DCT Gearbox — Any jerky shifts or delays? (DCT7 issues are common)

Engine Warning Light — Have codes been read? Timing, thermostat, MAP, or turbo codes are most common

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 exactly match Section 1B's Era Map — the same engine codes, years, and generation coverage.

M270 (GLA200 1.6)

Years2013–2020

Power156 bhp (115 kW) @ 5,300 rpm · 250 Nm @ 1,250–4,000 rpm

2025 Enquiries— (pattern data)【PATTERN DATA】

Avg. Recon Cost£3,500–£6,000【PLACEHOLDER — confirm vs cost sheet】

Engine CodeYearsPower2025 EnquiriesAvg. Recon Cost

M270 (GLA200 1.6)2013–2020156 bhp (115 kW) @ 5,300 rpm · 250 Nm @ 1,250–4,000 rpm— (pattern data)【PATTERN DATA】£3,500–£6,000【PLACEHOLDER — confirm vs cost sheet】

M270 (GLA250 2.0)2013–2020211 bhp (155 kW) @ 5,500 rpm · 350 Nm @ 1,200–4,000 rpm— (pattern data)【PATTERN DATA】£4,000–£7,000【PLACEHOLDER — confirm vs cost sheet】

M260 (GLA250)2020–present221 bhp (165 kW) @ 5,500 rpm · 350 Nm @ 1,800–4,000 rpm— (pattern data)【PATTERN DATA】£4,500–£8,500【PLACEHOLDER — confirm vs cost sheet】

M282 (GLA200)2020–present163 bhp (120 kW) @ 5,500 rpm · 250 Nm @ 1,620–4,000 rpm— (pattern data)【PATTERN DATA】£4,000–£7,500【PLACEHOLDER — confirm vs cost sheet】

Technical Specs

M270 — GLA250

Displacement1,991 cc (2.0L)

Cylinders4‑cylinder inline, 16 valves, DOHC

Bore x Stroke83.0mm x 92.0mm

Compression Ratio9.8:1

Fuel SystemDirect injection

TurbochargerTwin‑scroll turbocharger

Timing DriveChain

ConstructionAll‑aluminium block and head

Transmission7G‑DCT dual‑clutch

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Market Intelligence

Most Common Failure

M270 timing chain stretch and M260 timing chain/cylinder head issues — approximately 55% of GLA petrol‑related enquiries cite timing or cylinder head concerns【PATTERN DATA】

Average Enquiry Mileage

40,000

–70,000 miles【PATTERN DATA】

Average Replacement Cost

£5,500

reconditioned, supply only【PLACEHOLDER】

Most Requested Engine Code

M270 — X156‑era GLA250 is the most common GLA petrol on UK roads【PATTERN DATA】

Peak Enquiry Season

Winter — cold starts expose timing chain issues【PATTERN DATA】

Regional Demand

South East22%

London18%

North West (13%)【PATTERN DATA】

Regional Demand Breakdown

22%South East

18%London

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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