Mercedes Benz AMG GLA 35 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Mercedes Benz AMG GLA 35 engine specialists. Compare prices on reconditioned, rebuilt and used M260 2.0-litre turbocharged engines - supply & fit available nationwide for this 306hp performance SUV.
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Variant History
Mercedes Benz AMG GLA 35 Engine History & Specs at a Glance
The Mercedes-AMG GLA 35 arrived with the second-generation H247 GLA in 2020, positioning itself as the entry point to AMG performance in the compact SUV segment. Powered by the hand-tuned M260 2.0-litre turbocharged four-cylinder engine, it delivers 306hp and 400Nm of torque through an 8-speed AMG SPEEDSHIFT DCT and 4MATIC all-wheel drive.
2020
AMG GLA 35 launched with H247 generation, M260 DE20 AL 2.0L turbo, 306hp, 400Nm, 8-speed AMG SPEEDSHIFT DCT, 4MATIC AWD, 0-100km/h in 5.1 seconds
2023
H247 facelift, M260 engine gains 48V mild-hybrid system with 14hp electric boost, improving low-end response and efficiency
Every M260 engine fitted to the Mercedes Benz AMG GLA 35 is covered below, with UK rebuilt pricing and known failure points from real owner experience.
Mercedes Benz AMG GLA 35 Engine Problems Repair Cost vs Replacement
The Mercedes-AMG GLA 35's M260 engine delivers impressive performance but has developed a well-documented reputation for specific, potentially serious failures. The cylinder head defect - affecting exhaust valve seats - is the most significant concern, with some owners requiring replacement at as little as 11,000 miles. Timing chain tensioner wear, CAMTRONIC system failures, and oil consumption also feature prominently. 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 AMG GLA 35 engine failures, what they cost to fix, and when replacement is the smarter financial decision.
Common failure points and repair options
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M260 Cylinder Head & Valve Seat Failure
Affected
Mercedes Benz AMG GLA 35 (M260.920, 2020-present)
Typical failure mileage
10,000 - 50,000 miles (reported as early as 11,000 miles)
Root cause
A known defect with the exhaust valve seats in the M260 engine causes valve seat wear, leading to loss of compression, misfires, and eventually engine failure. Mercedes has acknowledged this issue with an extended warranty (15 years / 150,000 miles) covering many 2019-2022 models. The issue is particularly prevalent on AMG 35 series cars.
Repair options
Repair tier
Dealer price
Specialist price
Minor - Cylinder Head Inspection & Valve Job
£2,000-£3,000
£1,200-£1,800
Major - Complete Cylinder Head Replacement
£4,000-£6,000
£2,500-£3,800
Full Replacement - Rebuilt Engine
£8,000-£12,000
£4,500-£7,800
Our recommendation
The M260 cylinder head issue is serious and can appear with minimal warning. If your AMG GLA 35 experiences misfires, rough running, or loss of power, have the cylinder head inspected immediately. Given that Mercedes has issued an extended warranty for this specific issue, contact your dealer first to determine if your vehicle is covered. If out of warranty, specialist cylinder head replacement at £2,500-£3,800 is significantly better value than dealer pricing.
The M260 uses a timing chain drive with hydraulic tensioner. Over time, the tensioner can fail, allowing chain slack and producing a rattling noise on cold start. The CAMTRONIC variable valve lift system (A6560500001) can also fail - its repair is known to be very expensive. Post-facelift (2023+) M260 engines appear to be less prone to these issues.
Repair options
Repair tier
Dealer price
Specialist price
Minor - Timing Chain Tensioner Replacement
£800-£1,200
£450-£750
Major - Full Timing Chain Set & CAMTRONIC
£2,500-£4,000
£1,500-£2,500
Full Replacement - Rebuilt Engine
£8,000-£12,000
£4,500-£7,800
Our recommendation
At the first sign of rattling on cold start, have the timing chain tensioner inspected immediately - ignoring it can lead to catastrophic engine failure. Mercedes Service Bulletin notes that timing chain noise alone may not cause engine damage if addressed promptly. For CAMTRONIC issues, specialist diagnosis is essential; the system is complex and repair costs can escalate quickly.
The M260's twin-scroll turbocharger operates at high boost pressures, generating significant heat. Insufficient cool-down periods after hard driving can coke the oil feed lines, restricting oil flow to the turbo bearings. Oil consumption is also a reported concern on higher-mileage M260 units.
Repair options
Repair tier
Dealer price
Specialist price
Minor - Turbocharger Replacement
£2,500-£3,500
£1,500-£2,200
Major - Turbo Plus Intercooler & Oil System Flush
£3,500-£5,000
£2,200-£3,200
Full Replacement - Rebuilt Engine
£8,000-£12,000
£4,500-£7,800
Our recommendation
On an AMG GLA 35, do not cut corners on turbo maintenance. If you hear whistling or notice oil consumption above 1 litre per 1,000 miles, have the turbo inspected immediately. A specialist turbo replacement is painful but far less painful than a full engine rebuild. Also, fit a turbo timer or religiously idle the engine for 60 seconds after hard driving - it doubles turbo bearing life on high-performance turbocharged engines.
Don't Let Engine Failure Write Off Your Mercedes Benz AMG GLA 35
A failed M260 engine doesn't have to mean the end of your AMG GLA 35. Whether you're dealing with a cylinder head defect, timing chain tensioner wear, CAMTRONIC system failure, or turbocharger issues, EnginesMarket makes it simple to compare prices from trusted UK Mercedes Benz AMG GLA 35 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.
Mercedes Benz AMG GLA 35 Engine ReplacementFrequently Asked Questions
Everything Mercedes Benz AMG GLA 35 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.
An AMG GLA 35 engine replacement typically costs between £3,500 and £7,800 depending on condition type and whether fitting is included. M260 2.0-litre turbo units range from £3,500 to £7,800 supply only.
Rebuilt M260 (AMG GLA 35): £3,500-£7,800 supply only
Reconditioned units: £3,800-£5,800
Used engines from breakers: £2,200-£4,000 but higher risk
Labour for supply & fit adds £1,000-£1,800 to any engine price
The M260 is a high-performance engine that delivers impressive power, but it has several well-documented issues that owners should be aware of. Post-facelift (2023+) M260 engines with 48V MHEV appear more reliable.
Cylinder head / valve seat defect - extended warranty covers many 2019-2022 models
Repair if the failure is isolated (e.g., timing chain tensioner, turbocharger). Replace if there's bottom end damage, bore scoring, or catastrophic cylinder head failure.
Timing chain tensioner replacement: £450-£750 - do this at first sign of rattle
Cylinder head replacement: £2,500-£3,800 - for valve seat wear without piston damage
Full M260 rebuild: £4,500-£7,800 - for catastrophic failure or 80k+ miles
Given AMG GLA 35 values (£30,000-£50,000), a rebuilt engine is typically good value
We strongly advise against DIY fitting on an AMG GLA 35. The transverse-mounted engine layout, 8-speed DCT gearbox alignment, and ECU coding requirements demand specialist equipment and expertise.
Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty, with many specialists offering 24-month coverage on M260 rebuilds. This includes parts and labour for any manufacturing defect or installation error.
12-month unlimited mileage is the minimum standard
M260 rebuilds often include 24-month warranty
All warranties cover parts, labour, and MOT compliance
Extended warranties available at point of purchase
Compare Mercedes Benz AMG GLA 35 Engine Prices Today
Comparing quotes for your Mercedes Benz AMG GLA 35 engine replacement is completely free and carries no obligation - enter your registration above, receive tailored prices from UK specialists who know the M260 performance engine inside out, and get back on the road with confidence. Every rebuilt engine is backed by a minimum 12-month unlimited mileage warranty.
100+100+ AMG engines supplied through our network
12-Month12-Month Warranty on every rebuilt AMG GLA 35 engine