Mercedes Benz GLK Class 200/250 Petrol Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Mercedes Benz GLK Class 200 and 250 petrol engine specialists. Compare prices on reconditioned, rebuilt and used engines for the 1.8-litre supercharged four-cylinder - supply & fit available nationwide.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £2,950 to £4,350
Used from £1,400 · Reconditioned from £2,800 · Common codes: M271.860, M271.820
From £1,400
Tested, bare/short engine
From £2,800
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Mercedes Benz GLK Class 200/250 Petrol Replacement Engineto Finding the Best Mercedes Benz GLK Class 200/250 Petrol Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryMercedes Benz GLK Class 200/250 Petrol - Engine History & Specs at a Glance
The GLK 200 and 250 petrol models launched with the X204 generation in 2008, powered by the M271 1.8-litre supercharged four-cylinder petrol engine - a compact, high-revving unit that delivered 184hp in the GLK 200 and 204hp in the GLK 250. The M271 engine family, introduced in 2002, featured a cast aluminium block, aluminium DOHC cylinder heads with 4 valves per cylinder, and variable valve timing. Production continued through the 2012 facelift until the X204 ended production in 2015.
Variant HistoryMercedes Benz GLK Class 200/250 Petrol - Engine History & Specs at a Glance
The GLK 200 and 250 petrol models launched with the X204 generation in 2008, powered by the M271 1.8-litre supercharged four-cylinder petrol engine - a compact, high-revving unit that delivered 184hp in the GLK 200 and 204hp in the GLK 250. The M271 engine family, introduced in 2002, featured a cast aluminium block, aluminium DOHC cylinder heads with 4 valves per cylinder, and variable valve timing. Production continued through the 2012 facelift until the X204 ended production in 2015.
Mercedes Benz GLK Class 200/250 Petrol
Fuel TypePetrol (supercharged four-cylinder)
Engine Size1.8L (1,796cc)
Power Output Range184-204hp across the variant's historyEngine History Timeline
M271.860 1.8L supercharged petrol, 184hp @ 5,500rpm (GLK 200, X204 launch)
2015 - M271.860 1.8L supercharged petrol, 204hp @ 5,500rpm (GLK 250, X204)
Facelift X204; M271.860 continues with improved timing chain components
End of X204 production; GLK replaced by GLC
Key Specs Snapshot
Fuel TypePetrol (supercharged four-cylinder)Engine Size1.8L (1,796cc)Power Output Range184-204hp across the variant's historyYears Produced2008-2015Every engine fitted to the Mercedes Benz GLK Class 200 and 250 petrol is covered below, with UK rebuilt pricing and known failure points - from M271 timing chain stretch to supercharger coupling wear and camshaft timing gear failure.
Mercedes Benz GLK Class 200/250 Petrol Engine Codes - Specifications & Replacement CostMercedes Benz GLK Class 200/250 Petrol Engine Codes - Specifications & Replacement Cost
1.8L Supercharged Petrol (2008-2015)
Power Output184 hp (135 kW) @ 5,500 rpm (GLK 200); 204 hp (150 kW) @ 5,500 rpm (GLK 250)Torque300 Nm @ 1,200-4,000 rpm (184hp variant)Years Fitted2008-2015Displacement1,796cc (1.8 Litre)CylindersInline 4, DOHC, 16-valve, superchargedEngine CodeM271.860
Compatible Trim Levels
- GLK 200
- GLK 200 4MATIC
- GLK 250
- GLK 250 4MATIC
- GLK 200 SE
- GLK 200 Avantgarde
- GLK 250 Sport
- GLK 250 AMG Line
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,400-£2,200
Reconditioned
Addressed known issues, tested
£2,800-£3,600
Rebuilt
Full teardown, upgraded internals
£2,950-£4,350
Common Failure
Timing chain stretch and tensioner failure - the M271's most notorious weakness. Many units experience chain stretch before reaching 100,000 kilometres (62,000 miles), causing noisy cold starts. Rattling noises after a cold start indicate wear of the chain drive, sprockets, or elongation of the timing chain, which can lead to incorrect timings and, in the worst case, engine damage. Camshaft timing gear failure is another common issue, causing sluggish acceleration, noticeable power loss, and poor throttle response. Typical failure mileage: 40,000-85,000 miles.
The M271 supercharged engine delivers brisk acceleration and reasonable running costs, but it has well-documented weak points that drive replacement enquiries. The single most critical failure is timing chain stretch - a problem so common that many units experience it before 100,000 kilometres. Supercharger coupling wear and camshaft timing gear failure follow closely behind. Every rebuilt engine supplied through EnginesMarket includes upgraded components addressing these original failure points - improved timing chain tensioners and reinforced camshaft timing gears - plus a minimum 12-month unlimited mileage warranty.
The Most Critical GLK Petrol Failure
Affected Vehicles
Mercedes GLK 200, GLK 250 (M271.860, 2008-2015)
Typical Failure Mileage
40,000-85,000 miles
Root Cause
The M271 timing chain stretches over time, especially on earlier models. The plastic timing chain guides can also wear down, exacerbating the issue. The main cause is usually extended oil change intervals or low-quality oil. Rattling noises may be heard after a cold start, caused by wear of the chain drive, sprockets, or elongation of the timing chain. If ignored, this can lead to incorrect timings and, in the worst case, engine damage.
Why It Happens
The M271 timing chain stretches over time, especially on earlier models. The plastic timing chain guides can also wear down, exacerbating the issue. The main cause is usually extended oil change intervals or low-quality oil. Rattling noises may be heard after a cold start, caused by wear of the chain drive, sprockets, or elongation of the timing chain. If ignored, this can lead to incorrect timings and, in the worst case, engine damage.
Dealer (parts + labour)
£600-£900
Specialist (parts + labour)
£350-£550
What it involves
Replace hydraulic tensioner only
Suitability
Effective if caught immediately when rattle first appears
1 - 2 daysDealer (parts + labour)
£2,200-£3,000
Specialist (parts + labour)
£1,100-£1,700
What it involves
Replace timing chain, guides, tensioner, camshaft sprockets; front engine access required
Suitability
If chain rattle is present but no fault codes
1 - 2 daysDealer (parts + labour)
£6,200-£8,500
Specialist (parts + labour)
£2,950-£4,350
What it involves
Complete engine swap with upgraded timing components, new supercharger bearings, and recalibrated ECU mapping
Suitability
If chain has jumped causing valve damage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative - Timing chain tensioner replacement Minor | £600-£900 | £350-£550 | Replace hydraulic tensioner only | Effective if caught immediately when rattle first appears | 1 - 2 days |
 Intermediate - Full timing chain kit Best Value | £2,200-£3,000 | £1,100-£1,700 | Replace timing chain, guides, tensioner, camshaft sprockets; front engine access required | If chain rattle is present but no fault codes | 1 - 2 days |
Full Replacement - Rebuilt M271 engine Best Value | £6,200-£8,500 | £2,950-£4,350 | Complete engine swap with upgraded timing components, new supercharger bearings, and recalibrated ECU mapping | If chain has jumped causing valve damage | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical 2008-2015 GLK 200 or 250 petrol 4MATIC is worth approximately £4,000-£10,000 depending on mileage and condition. The GLK 200/250 petrol sits in the £4,000-£10,000 band - replacement cost is typically justified for well-maintained examples, though owners of higher-mileage or lower-value examples should carefully evaluate repair costs against vehicle value.
Our Recommendation
Our Recommendation
If your GLK 200 or 250 exhibits a rattling noise on cold start, act immediately. The M271's timing chain is accessible with the engine in situ for tensioner and chain replacement. Specialist pricing of £1,100-£1,700 for a full chain kit is significantly lower than dealer rates. Most four-cylinder chains (M271/M274) are a one-day job at a specialist. However, if the engine has already suffered timing jump or valve damage, a minor repair is a financial risk. We recommend a fully rebuilt M271 unit, which includes the upgraded tensioner as standard and resolves all pre-facelift weak points.
Don't Let Timing Chain Stretch, Camshaft Timing Gear Failure, or Supercharger Issues Write Off Your Mercedes GLK 200 or 250 Petrol
Whether you're facing M271 timing chain stretch on your GLK 200, camshaft timing gear failure on your GLK 250, or supercharger coupling wear, EnginesMarket makes it simple to compare quotes from trusted UK Mercedes petrol specialists. Every rebuilt engine in our network carries upgraded components addressing the original design weakness - improved timing chain tensioners, reinforced camshaft timing gears, and new supercharger bearings - plus a minimum 12-month unlimited mileage warranty with nationwide delivery and supply & fit options. Don't pay main dealer premiums. Compare prices from independent Mercedes specialists who know these M271 supercharged engines inside out.
Compare rebuilt M271 Mercedes GLK 200/250 petrol engine prices
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Best Price GuidanceImportant Information
Important Information
"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 EnginesMarket'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 GLK Class 200 or 250 petrol. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Mercedes Benz GLK Class 200/250 Petrol Engine ReplacementFrequently Asked Questions
Question 1How much does a Mercedes GLK 200 or 250 petrol engine replacement cost in the UK-
Short summary: A rebuilt M271 engine for the GLK 200 or 250 costs £2,950-£4,350 supply-only. Fitting adds £700-£1,300 depending on complexity - supercharged engine work requires specialist knowledge.
- GLK 200/250 (M271.860): rebuilt unit £2,950-£4,350; used engine from £1,400
- M271 timing chain kit (labour only): £1,100-£1,700 at specialist
- M271 supercharger coupling service: £500-£800 at specialist
Question 2What are the signs of timing chain failure on a Mercedes GLK 200 or 250 petrol-
Short summary: Rattling noises may be heard after a cold start in M271 engines. This may be caused by wear of the chain drive, sprockets, or elongation of the timing chain. This can lead to incorrect timings and, in the worst case, to engine damage.
- Cold start rattle that disappears after oil pressure builds - earliest warning
- Check engine light with cam/crank correlation codes
- Metallic swarf in engine oil indicates chain guides wearing away
- Preventative tensioner replacement costs £350-550 - full chain kit £1,100-1,700
Question 3Is the Mercedes GLK 200 or 250 petrol engine (M271) reliable-
Short summary: The M271 is a generally reliable engine when properly maintained. However, it has predictable weak points: timing chain stretch before 100,000 kilometres, camshaft timing gear failure, and supercharger coupling wear. All are manageable with the right maintenance schedule and proactive attention.
- Timing chain stretch is the single most critical failure point
- Camshaft timing gear failure causes sluggish acceleration and power loss
- Supercharger coupling bearings wear out over time
- Well-maintained M271 engines exceed 120,000 miles
Question 4How long do Mercedes GLK 200 and 250 petrol engines last-
Short summary: Properly maintained M271 engines routinely reach 120,000-150,000 miles before major work is needed. With timely timing chain service and regular maintenance, these engines demonstrate good longevity.
- M271 (200/250 petrol): 120,000-150,000 miles with regular servicing
- Timing chain inspection recommended from 60,000 miles
- Service interval is 10,000 miles or 12 months - use Mercedes-spec oil
- Late oil changes accelerate timing chain wear
Question 5Is it worth replacing the engine in my Mercedes GLK 200 or 250 petrol-
Short summary: Yes, if the GLK is otherwise in good condition with no rust or major electrical faults. A rebuilt M271 costs £2,950-£4,350 - comparable to or less than replacing a £4,000-£10,000 vehicle, especially when factoring in the cost of finding a comparable replacement SUV.
- GLK 200/250 petrol values: £4,000-£10,000 depending on year, mileage and condition
- Rebuilt engine with upgraded components fixes original weak points
- Supply & fit typically £3,650-£5,650 depending on engine code
- New engine includes 12-month unlimited mileage warranty
Question 6What oil does my Mercedes GLK 200 or 250 petrol need-
Short summary: Mercedes-Benz specifies MB 229.5 high-performance oil - typically 5W-30 or 5W-40 fully synthetic. The M271 requires approximately 5.5 litres with filter.
- M271 (200/250 petrol): MB 229.5 5W-30 or 5W-40 - high-spec synthetic only
- Never use non-approved oil - low-quality oil is a main cause of timing chain stretch
- Change every 10,000 miles or 12 months - stretched intervals cause timing chain wear and supercharger bearing failure
Why Choose UsCompare Mercedes GLK Class 200/250 PetrolEngine PricesToday
500+ M271 supercharged engines supplied through our network
12-Month Warranty on every rebuilt GLK 200 and 250 petrol engine
Nationwide UK delivery
supply & fit available for M271
Comparing quotes for your Mercedes GLK 200 or 250 petrol is completely free, with no obligation and no pressure. Enter your registration above to get tailored quotes from UK Mercedes petrol specialists who understand the M271 supercharged engine inside out. Whether you need a used engine, a reconditioned unit, or a full rebuilt engine with upgraded timing chain components, camshaft timing gears, and supercharger bearings, we'll connect you with the right specialist for your exact GLK - with a minimum 12-month warranty on every engine supplied.
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