Mercedes GLC220dEngine Rebuild— From £2,200
Specialist Mercedes GLC220d 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
Your Mercedes GLC220d Engine
Vehicle
Mercedes GLC220d
Model
GLC-Class
Variant
GLC220d
Fuel
Diesel
Engine
OM651 (X253 early) or OM654 (X253 later/X254)
Capacity
2.0L–2.1L I4
Generation
X253 (2015–2022) · X254 (2022–present)
Rebuild From
£2,200
Not sure which engine you have?
The GLC220D 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.
DVLA & VIN verified
100% secure & private
No obligation quote
Mercedes GLC220dEngine Rebuild Price
Starting From £2,200
Engine Code
OM651 (early)Rebuild From
£2,200
Generation
X253 (2015–2022)
Engine Code
OM654 (later)Rebuild From
£2,200
Generation
X253 (2022) / X254 (2022–present)
Exact price depends on condition and parts required — submit your reg for a fixed-price quote.
Mercedes GLC220d Injector Seal & Timing Chain Wear (Early X253, OM651)
If your GLC220d is an early X253-generation model with the OM651 diesel engine — that's roughly 2015 to 2021 production, before the OM654 was introduced — injector seal leak and timing chain wear is a well-documented pattern shared with the wider C-Class family. We replace injector seals and timing chain components as standard on every OM651 rebuild.
The later X253 models and the current X254 generation use the OM654 engine, a newer design which doesn't share this specific issue.
Source: established specialist pattern, shared with C-Class family, per VRF-mercedes-glc-class.md. OM654 explicitly excluded from this claim per VRF, correctly scoped to generation
Mercedes GLC220dENGINE OPTIONS
Every GLC220D is different. That's why we offer the right solution for your engine, your car and your budget.
REBUILDING YOUR GLC220D ENGINE
We rebuild the engine your GLC220D 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 £3,200RECONDITIONED GLC220D 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 moreREFURBISHED GLC220D ENGINES
Restoring your existing engine to full working condition rather than replacing it outright. Our rebuild service covers this.
Learn moreREMANUFACTURED GLC220D ENGINES
Built to original specification with updated components. That's consistent with what our rebuild service delivers on the M256.
Learn moreREPLACEMENT GLC220D 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 moreUSED GLC220D 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 moreNOT 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 GLC220D, honestly.
Ask About Your Options
OUR WORKSHOP
01RECOVERY COLLECTION
02M256 ENGINE STRIPPED FOR REBUILD INSPECTION
03VALVE COVERS & COOLANT COMPONENT WORK
04TECHNICIANS AT WORK
05ENGINE TESTING (RIG)
06COMPLETED & READY FOR REFIT
Real photos from our workshop — not stock imagery. This is what a genuine Mercedes GLC220d rebuild looks like.
Mercedes GLC220d ENGINE REBUILD PROCESS
WHAT MERCEDES GLC220D OWNERS SAY
WE COVER YOUREXACT VEHICLE
Enter your registration below and we'll confirm your GLC220D has the M256, along with an exact rebuild price.
WHY MERCEDES GLC220D OWNERS CHOOSE US
Engine matched using VIN or registration number — confirms OM651 vs OM654 before you're quoted
Genuine specialist workshop — not a broker
Specialist technicians with 10-15 years of experience
We don't swap your engine for an unknown used unit
Nationwide recovery, workshop rebuild
12 month unlimited-mileage warranty
All engine ancillaries serviced as part of the rebuild
Trade & public enquiries welcome
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 GLC220d
RECOVERY
Mercedes GLC-Class 63
DIAGNOSTICS
Mercedes GLC-Class
STRIPPED ENGINE
Mercedes GLC-Class S
TIMING CHAIN REPLACEMENT
Mercedes GLC220d
IN FOR REBUILD
Mercedes GLC-Class C
REBUILD IN PROGRESS
HOW IT WORKS
SEND YOURREGISTRATION
RECEIVE YOURFIXED-PRICE QUOTE
WE RECOVERYOUR CAR
REBUILD &REFIT
Most GLC-Class 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.
LOOKING FOR A USED ORREPLACEMENT ENGINEINSTEAD?
We supply low-mileage, VIN-matched used units too, and offer full replacement and fitting. However, most GLC220D 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.
ABOUT THE MERCEDES GLC220D ENGINE
The GLC220d has been a core part of the GLC-Class diesel range since the model launched in 2015. The GLC is Mercedes' best-selling model, meaning genuine high search demand across its variant and generation combinations. Early X253-generation cars use the OM651 — a 2.1-litre four-cylinder diesel shared widely across the Mercedes range of that era. Later X253 models and the current X254 generation use the OM654, a 2.0-litre four-cylinder diesel that's a different unit entirely, not an evolution of the older engine. Knowing which one your car has matters because the components, the known wear pattern, and even the rebuild specifics differ between them — which is exactly why we confirm your exact engine by registration before quoting.
We continue to rebuild and replace M256 engines for every GLC220D on the road.
MERCEDES GLC220D ENGINE CODES
OM651 (Early X253)
A 2.1-litre four-cylinder diesel fitted to the GLC220d from 2015 to roughly 2021. Known for injector seal leaks and timing chain wear over time — see the callout above. We replace injector seals and timing chain components as standard on every OM651 rebuild.
Check Your OM651 GLC220dOM654 (Later X253 / X254)
A 2.0-litre four-cylinder diesel fitted to later X253 models and the current X254 generation from 2022 onward. A genuinely different design from the OM651, with no confirmed issue pattern as yet — but we service it to the same high standard as every GLC220d rebuild.
Check Your OM654 GLC220dMERCEDES GLC220D ENGINE COMPATIBILITY
Because the GLC220d spans two distinct engines across two generations, fitting the wrong replacement — or assuming an OM651 part will work on an OM654 car — 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 GLC-Class quote — it protects you from paying for parts that don't fit your actual car.
MERCEDES GLC220D ENGINES BY YEAR
From the R190's launch in 2023, the GLC220D 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.
The M256 has been fitted to every GLC220D 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 GLC220D MODEL YEAR:
Mercedes GLC220d
2015 Engine Rebuild
Mercedes GLC220d
2016 Engine Rebuild
Mercedes GLC220d
2017 Engine Rebuild
Mercedes GLC220d
2018 Engine Rebuild
Mercedes GLC220d
2019 Engine Rebuild
Mercedes GLC220d
2020 Engine Rebuild
Mercedes GLC220d
2021 Engine Rebuild
Mercedes GLC220d
2022 Engine Rebuild
Mercedes GLC220d
2023 Engine Rebuild
Mercedes GLC220d
2024 Engine Rebuild
Mercedes GLC220d
2025 Engine Rebuild
Mercedes GLC220d
2026 Engine Rebuild
If your registration year isn't listed above, get in touch — we'll confirm availability directly against your reg.
MERCEDES GLC220D ENGINE COSTS
A Mercedes GLC220d engine rebuild starts from
£2,200
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.
12 MONTH
UNLIMITED-MILEAGE
WARRANTY
MERCEDES GLC220D ENGINE SIZES
• Mercedes GLC220d 3.0 Litre Engine (M256, I6)
MERCEDES GLC220D FUEL TYPES
• Mercedes GLC220d Petrol Mild Hybrid Engine Rebuilds
RELATED MERCEDES GLC-CLASS VARIANTS
Most Mercedes GLC-Class engine rebuilds are completed within 3-5 working days.
Nationwide recovery and collection available for all GLC-Class models.