Mercedes-BenzMERCEDES GARAGEMERCEDES ENGINE SPECIALISTS
Mercedes technician rebuilding a AMG GT 53 engine block
Mercedes-Benz

Mercedes AMG GT 53Engine Rebuild— From £3,200

Specialist Mercedes AMG GT 53 engine rebuilds and replacements, with registration-based engine matching, nationwide recovery and a 12-month unlimited-mileage warranty

Rated Mercedes Engine Specialists 1,800+ Engines Rebuilt

Specialist technicians with 10-15 years of experience

12 Month Unlimited-Mileage Warranty

Nationwide Recovery

Free Engine Matching by Registration

M256 Specialists

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Mercedes-Benz

Your Mercedes AMG GT 53 Engine

Mercedes AMG GT 53 TwinPower Turbo engine

Vehicle

Mercedes AMG GT 53

Model

AMG GT

Variant

AMG GT 53

Fuel

Petrol Mild Hybrid

Engine

M256

Capacity

3.0L I6

Generation

R190 (2023–present)

Rebuild From

£3,200

?

Not sure which engine you have?

The AMG GT 53 uses the M256 3.0-litre inline-six mild-hybrid engine — enter your registration below and we'll confirm your exact spec before you get a quote.

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DVLA & VIN verified

100% secure & private

No obligation quote

Mercedes AMG GT 53Engine Rebuild Price

Starting From £3,200

M256 engine

Engine Code

M256

Rebuild From

£3,200

R190 (2023–present)

Generation

R190 (2023–present)

Exact price depends on condition and parts required — submit your reg for a fixed-price quote.

Get Your Fixed-Price Quote

Mercedes AMG GT 53 Oil Leaks & Coolant System Wear (M256 I6)

The M256 is a sophisticated 3.0-litre inline-six with an integrated starter-generator and electric auxiliary compressor — a more modern and efficient design than the older M276 V6. We replace timing chains, bearings, water pump and gaskets as standard on every M256 rebuild.

Because the AMG GT 53 uses a completely different engine family from the V8 M178 fitted to the AMG GT 63 and GT 63 S, parts and rebuild specifications don't cross over between them.

Source: Established M256 specialist pattern — timing chain, bearing and gasket wear across integrated-starter-generator inline-six units.

Mercedes AMG GT 53 engine block

Mercedes AMG GT 53ENGINE OPTIONS

Every AMG GT 53 is different. That's why we offer the right solution for your engine, your car and your budget.

01MOST POPULAR

REBUILDING YOUR AMG GT 53 ENGINE

We rebuild the engine your AMG GT 53 already has instead of selling you a used engine of unknown history — strip it down, pressure-test it, and replace every worn or damaged component (timing chains, bearings, water pump, gaskets) with updated OEM parts. Near-new performance with a 12-month unlimited-mileage warranty.

From £3,200
02

RECONDITIONED AMG GT 53 ENGINES

A full strip-down, inspection and replacement of worn parts rather than a straight swap. If that's what you're after, our rebuild service is exactly that.

Learn more
03

REFURBISHED AMG GT 53 ENGINES

Restoring your existing engine to full working condition rather than replacing it outright. Our rebuild service covers this.

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04

REMANUFACTURED AMG GT 53 ENGINES

Built to original specification with updated components. That's consistent with what our rebuild service delivers on the M256.

Learn more
05

REPLACEMENT AMG GT 53 ENGINES

If your existing engine is beyond economical repair, we offer complete engine replacement and fitting – sourced and fitted by our team, with the same 12-month warranty.

Learn more
06

USED AMG GT 53 ENGINES

Matched low-mileage used engines for when time is critical. We source and fit these too, but most owners choose a rebuild once they understand the compatibility risks.

Learn more

NOT SURE WHICH OPTION IS RIGHT FOR YOU?

Enter your registration below and we'll confirm your M256 and talk you through the best solution for your AMG GT 53, honestly.

Ask About Your Options

OUR WORKSHOP

RECOVERY COLLECTION01

RECOVERY COLLECTION

M256 ENGINE STRIPPED FOR REBUILD INSPECTION02

M256 ENGINE STRIPPED FOR REBUILD INSPECTION

VALVE COVERS & COOLANT COMPONENT WORK03

VALVE COVERS & COOLANT COMPONENT WORK

TECHNICIANS AT WORK04

TECHNICIANS AT WORK

ENGINE TESTING (RIG)05

ENGINE TESTING (RIG)

COMPLETED & READY FOR REFIT06

COMPLETED & READY FOR REFIT

Real photos from our workshop — not stock imagery. This is what a genuine Mercedes AMG GT 53 rebuild looks like.

Mercedes AMG GT 53 ENGINE REBUILD PROCESS

1Diagnosis

We confirm your exact engine code and assess the damage.

2Removal

Your engine is removed and brought into our workshop.

3Strip-Down

Every component is removed for individual inspection.

4Inspection

Crankshaft, cylinder head, timing chain, bearings, water pump and gaskets are all checked.

5Machine Work

Any machining required is carried out to OEM tolerances.

6Component Replacement

Worn or damaged parts are replaced with updated OEM components.

7Reassembly

Your engine is rebuilt to original specification.

8Testing

Every rebuild is pressure-tested before refit.

9Refit

Your engine goes back into your AMG GT 53.

10Road Test

A full road test confirms everything's right before we hand your car back.

WHAT MERCEDES AMG GT 53 OWNERS SAY

Daniel R.

Brilliant service from start to finish. My AMG GT 53 runs smoother than ever. Honest advice, clear pricing and the team know their stuff.

Mercedes AMG GT 53 Engine Rebuild

Mark T.

They rebuilt my M256 with all the updated parts. Smooth process and great communication throughout.

Mercedes AMG GT 53 Engine Rebuild

Ryan P.

Top lads, top job. Picked up and dropped off, engine rebuilt to an extremely high standard. 100% recommend.

Mercedes AMG GT Engine Rebuild

Steve B.

Saved me thousands compared to a dealer quote. Fantastic workmanship and my AMG GT 53 is running perfectly.

Mercedes AMG GT 53 Engine Rebuild

Tom H.

From quote to collection couldn't fault them. Engine looks brand new inside. Warranty gives great peace of mind.

Mercedes AMG GT Engine Rebuild

James K.

Professional, reliable and fairly priced. Sorted properly and kept me updated throughout.

Mercedes AMG GT 53 Engine Rebuild

WE COVER YOUREXACT VEHICLE

Enter your registration below and we'll confirm your AMG GT 53 has the M256, along with an exact rebuild price.

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FastAccurateNo Guesswork

WHY MERCEDES AMG GT 53 OWNERS CHOOSE US

Engine matched using VIN or registration number — confirms M256 before you're quoted

We don't swap your engine for an unknown used unit

All engine ancillaries serviced as part of the rebuild

Genuine specialist workshop — not a broker

Nationwide recovery, workshop rebuild

Trade & public enquiries welcome

Specialist technicians with 10-15 years of experience

12 month unlimited-mileage warranty

Dedicated advisor from quote to fit

OUR MOST RECENTMERCEDES RECOVERIES & REBUILDS

Real vehicles brought into our workshop. Open bonnets, stripped blocks, and cars ready for collection — this is what genuine engine work looks like.

Mercedes AMG GT 53

Mercedes AMG GT 53

RECOVERY

Mercedes AMG GT 63

Mercedes AMG GT 63

DIAGNOSTICS

Mercedes AMG GT

Mercedes AMG GT

STRIPPED ENGINE

Mercedes AMG GT S

Mercedes AMG GT S

TIMING CHAIN REPLACEMENT

Mercedes AMG GT 53

Mercedes AMG GT 53

IN FOR REBUILD

Mercedes AMG GT C

Mercedes AMG GT C

REBUILD IN PROGRESS

HOW IT WORKS

1

SEND YOURREGISTRATION

2

RECEIVE YOURFIXED-PRICE QUOTE

3

WE RECOVERYOUR CAR

4

REBUILD &REFIT

Most AMG GT models are recovered within a few hours of booking. Most rebuilds are completed within 3-5 working days.

Workshop slots fill up fast — book your recovery today.

Mercedes engines on workshop pallets

LOOKING FOR A USED ORREPLACEMENT ENGINEINSTEAD?

We supply low-mileage, VIN-matched used units too, and offer full replacement and fitting. However, most AMG GT 53 owners choose a rebuild once they realise it removes compatibility risk and works out more cost-effective over the life of the car.

Enter your reg below — we'll show you every option, honestly.

Ask About Used Engine Options

ABOUT THE MERCEDES AMG GT 53 ENGINE

Mercedes AMG GT 53 engine and sedan

The AMG GT 53 is part of the second-generation R190 AMG GT range introduced in 2023. Unlike the V8-powered AMG GT 63 and GT 63 S, the AMG GT 53 uses the M256 — a 3.0-litre inline-six petrol engine with mild-hybrid assistance. This is a different engine family from the M178 V8 used in the first-generation C190 cars, and it's also distinct from the V8 M178 found in the current R190 GT 63 models. The M256 is a sophisticated unit with integrated starter-generator and electric auxiliary compressor, delivering strong performance while maintaining efficiency.

We continue to rebuild and replace M256 engines for every AMG GT 53 on the road.

MERCEDES AMG GT 53 ENGINE CODES

M256

M256 (R190, 2023–present)

A 3.0-litre inline-six petrol mild-hybrid engine fitted to the AMG GT 53 from 2023 to present. The M256 features an integrated starter-generator (ISG) and electric auxiliary compressor, making it a more modern and efficient design than the older M276 V6. We replace timing chains, bearings, water pump and gaskets as standard on every M256 rebuild.

Check Your M256 AMG GT 53

MERCEDES AMG GT 53 ENGINE COMPATIBILITY

Mercedes touring in workshop

Because the AMG GT 53 uses the M256 — a different engine from the V8 units in the GT 63 range — fitting the wrong replacement or assuming parts from other AMG GT variants will work risks a compatibility problem that's expensive to unpick. Before we quote or supply anything, we confirm:

Your exact engine code (M256) via registration or VIN

Your generation (R190)

Drivetrain and ancillary specification

Any electronics or ECU considerations specific to your exact build

This is why we always start with your registration rather than a generic AMG GT quote — it protects you from paying for parts that don't fit your actual car.

MERCEDES AMG GT 53 APPLICATIONS BY GENERATION

Generation

Chassis

Years

Engine Code

Fuel

R190

R190

R190

2023–present

M256

Petrol Mild Hybrid

MERCEDES AMG GT 53 ENGINES BY YEAR

From the R190's launch in 2023, the AMG GT 53 has used the M256 3.0-litre inline-six mild hybrid throughout. If you're unsure of your exact spec, we'll confirm it before you book.

Year

Generation

Engine Code

Fuel

Service

2023

R190

M256

Petrol Mild Hybrid

Rebuild / Replacement

2024

R190

M256

Petrol Mild Hybrid

Rebuild / Replacement

2025

R190

M256

Petrol Mild Hybrid

Rebuild / Replacement

2026

R190

M256

Petrol Mild Hybrid

Rebuild / Replacement

i

The M256 has been fitted to every AMG GT 53 since launch — if your registration year isn't listed above, get in touch and we'll confirm availability directly against your reg.

WE COVER EVERY MERCEDES AMG GT 53 MODEL YEAR:

Mercedes AMG GT 53
2023 Engine Rebuild

Mercedes AMG GT 53
2024 Engine Rebuild

Mercedes AMG GT 53
2025 Engine Rebuild

Mercedes AMG GT 53
2026 Engine Rebuild

If your registration year isn't listed above, get in touch — we'll confirm availability directly against your reg.

MERCEDES AMG GT 53 ENGINE COSTS

A Mercedes AMG GT 53 engine rebuild starts from

£3,200

A full replacement engine and fitting service is also available. Exact pricing depends on the condition of your existing engine and the parts required — submit your registration for a fixed-price quote within 30 minutes.

Mercedes AMG GT 53 engine

12 MONTH

UNLIMITED-MILEAGE

WARRANTY

MERCEDES AMG GT 53 ENGINE SIZES

Mercedes AMG GT 53 3.0 Litre Engine (M256, I6)

MERCEDES AMG GT 53 FUEL TYPES

Mercedes AMG GT 53 Petrol Mild Hybrid Engine Rebuilds

Most Mercedes AMG GT engine rebuilds are completed within 3-5 working days.

Nationwide recovery and collection available for all AMG GT models.

Mercedes AMG GT recovery and collection

FREQUENTLY ASKED QUESTIONS

Mercedes AMG GT in a dark showroom

Mercedes-BenzGET YOUR FREE MERCEDES AMG GT 53 FIXED-PRICE QUOTE

Most quotes returned within 30 minutes during working hours.