Mercedes Garage
Mercedes-Benz Engine Supply & Fit
Because every engine and vehicle is different, we provide a fixed-price quote after we've matched the correct unit to your car. Contact us for a no-obligation estimate.
15+ yrs
Mercedes specialists
1,800+
engines rebuilt
12 mo
unlimited-mileage warranty
What Our Engine Supply & Fit Service Involves
We handle the complete engine replacement process – from sourcing the correct replacement unit to final road testing. Our service includes:
- Compatibility verification – matching the engine to your vehicle's VIN, chassis code, and specification.
- Secure sourcing – using verified engines with documented history and serial numbers.
- Full removal and fitting – including all ancillaries, mounts, and fluids.
- ECU coding and integration – using Mercedes-Benz Xentry/Star Diagnosis for proper programming.
- Post-installation testing – oil pressure checks, leak testing, and road tests.
- 12-month unlimited mileage warranty – covering parts and labour.
We never supply engines without fitting – every unit is installed by our experienced technicians at our Essex workshop.
Get a Personalised Quote
Because every engine and vehicle is different, we provide a fixed-price quote after we've matched the correct unit to your car. Contact us for a no-obligation estimate.
Call us on 0203 488 4649 or Request a Quote Online
Inside our workshop
Mercedes-Benz Engine Supply & Fit
Applicable Models & Engine Families
Our supply and fit service covers all Mercedes-Benz models and engine types. Below are just some of the most common we work with:
Popular engine families we supply and fit:
- OM651 4-cyl diesel – fitted across many models
- OM642 V6 diesel – common in E-Class, ML, etc.
- M276 V6 petrol – widely used
- M177 V8 AMG – high-performance units
- OM654 4-cyl diesel – newer generation
For variant-specific information, see our C220d, E220d, S350d, and other detailed variant pages.
Our Engine Supply & Fit Process
- 01
Compatibility & Sourcing
We verify your vehicle's VIN, chassis, and engine code to source the correct replacement unit. We only use units with verifiable history.
- 02
Preparation & Removal
Drain all fluids, disconnect all systems, and safely remove the old engine using proper hoisting and lifting equipment.
- 03
Component Transfer & Fitting
Transfer ancillaries, mounts, and wiring harnesses to the replacement unit. Install the new engine with correct torque settings and alignment.
- 04
ECU Programming & Integration
We use Mercedes-Benz Xentry/Star Diagnosis to code the ECU, match immobiliser data, and calibrate sensors for seamless operation.
- 05
Testing & Quality Control
We prime the oil system, start the engine, check oil pressure, look for leaks, run diagnostics, and perform a thorough road test.
- 06
Handover & Warranty
We explain the work done and provide a 12-month unlimited-mileage warranty covering parts and labour. We're here for any follow-up questions.
Enter Your Registration
Use our quick lookup to get started – we'll confirm your engine type and provide a tailored quote.
Why Choose Mercedes Garage for Your Engine Supply & Fit
- Established since 2009 – with a dedicated Mercedes-Benz workshop in Essex.
- Genuine specialist equipment – including Mercedes-Benz Xentry/Star Diagnosis.
- 12-month unlimited-mileage warranty – on all parts and labour.
- Nationwide recovery – we can collect your vehicle from anywhere in the UK (separate charge).
- Quick turnaround – most jobs completed within 3-5 working days.
- Transparent quoting – fixed price after inspection, no hidden extras.
How It Works – Simple Steps
- 01
Contact Us
Call or fill in our quote form with your vehicle details.
- 02
We Match Your Engine
We verify VIN, engine code, and source the correct unit.
- 03
Installation & Testing
We fit the engine, code the ECU, and road-test thoroughly.
- 04
Enjoy Peace of Mind
Drive away with a 12-month unlimited-mileage warranty.
Frequently Asked Questions
What is included in your engine supply and fit service?+
We source the correct replacement engine, match it to your vehicle, remove the old unit, install the new engine with all ancillaries, program the ECU, and perform full testing – all covered by our 12-month warranty.
How long does the whole process take?+
Typically 3-5 working days from arrival at our workshop, depending on parts availability and any unforeseen complications.
Do you supply engines without fitting?+
No – we only offer supply and fit as a complete service. This ensures correct installation, coding, and warranty coverage.
Will my engine be matched to my specific vehicle?+
Yes. We verify your VIN, chassis code, and engine number to source a unit that is fully compatible with your Mercedes-Benz.
What warranty do you provide?+
All our supply and fit work comes with a 12-month unlimited-mileage warranty covering parts and labour.
Can you collect my vehicle?+
Yes – we offer nationwide recovery from £70 (separate charge). We can arrange collection and delivery back to you.