Mercedes-BenzMERCEDES GARAGEMERCEDES ENGINE SPECIALISTS

Mercedes Garage

Mercedes-Benz Engine Rebuild Specialists

Full professional engine rebuild for all Mercedes-Benz models – from A-Class to S-Class, AMG to Sprinter. 12-month unlimited mileage warranty.

15+ yrs

Mercedes specialists

1,800+

engines rebuilt

12 mo

unlimited-mileage warranty

What a Mercedes Engine Rebuild Involves

Our engine rebuild service returns your Mercedes-Benz engine to factory specifications – or better. Every rebuild follows a strict, documented process carried out in our purpose-built workshop.

The process is not a simple “overhaul”; it is a complete disassembly, inspection, precision machining, replacement of all wear items, and reassembly to original tolerances. We use genuine or OEM-quality parts and factory-specified tools for every job.

Starting Price

From £2,200

+ VAT. Price depends on engine type, model, and required work. Pricing disclaimer

Get your fixed-price quote

Mercedes-Benz Engine Rebuild Specialists in progress at our workshop

Inside our workshop

Mercedes-Benz Engine Rebuild Specialists

Applicable Mercedes-Benz Models & Engines

We rebuild engines across the entire Mercedes-Benz range. Below are some of the models we regularly work on – click through for model-specific details.

Key variants we rebuild regularly include:

Need a different model? Contact us and we'll confirm compatibility.

Our Engine Rebuild Process

  1. 01

    We perform a full diagnostic check and compression test to confirm rebuild requirements. We then provide a fixed-price quote before any work begins.

  2. 02

    The engine is carefully removed and completely disassembled. All parts are cleaned using thermal and shot-blasting methods to reveal wear and damage.

  3. 03

    Every component is measured to micron tolerance. Cylinders are bored and honed, crankshafts ground, and deck surfaces milled to factory specs.

  4. 04

    All wear items – bearings, piston rings, seals, gaskets – are replaced with genuine or OEM parts. Reassembly follows Mercedes-Benz torque and angle settings.

  5. 05

    Every rebuilt engine is run on our dyno for a full break-in cycle. We check for leaks, verify performance, and calibrate engine management.

  6. 06

    The engine is re-installed, fluids filled, and a comprehensive road test is performed. Only when everything is perfect do we hand the car back.

Why Choose Mercedes Garage for Your Engine Rebuild

  • 12-month unlimited-mileage warranty – standard on every rebuild.
  • Under 30-minute quote turnaround during working hours.
  • 3-5 working days rebuild time from arrival at our workshop.
  • Nationwide recovery from £70 – we collect your vehicle wherever you are.
  • Full machining capability – bore, hone, grind, mill in-house.
  • Mercedes-specific diagnostics & tools – including Star Diagnostic and factory timing tools.

Learn more about our workshop →

How It Works – From Quote to Collection

  1. 01

    Call, email, or use our online form with your reg and symptoms. We'll give a fixed price within 30 mins.

  2. 02

    We arrange nationwide recovery to our Essex workshop – convenient and affordable.

  3. 03

    Our team completes the rebuild, including dyno testing, within 3-5 working days.

  4. 04

    Your Mercedes is ready – we call you to arrange collection or delivery.

Mercedes engine rebuild at Mercedes Garage

Fixed-price, fully warranted

Get your quote in under 30 minutes

Get a Quote

Frequently Asked Questions

How long does a Mercedes engine rebuild take?+

Our typical rebuild time is 3-5 working days from arrival at our workshop. This includes strip-down, machining, assembly, dyno testing, and road testing. Complex V12 or AMG engines may take longer; we will advise you when quoting.

What is included in the rebuild price?+

Your fixed-price quote covers all labour, machining, new bearings, piston rings, gaskets, seals, timing chain components (where applicable), and engine oil. It also includes the 12-month unlimited-mileage warranty and dyno testing.

Do you use genuine Mercedes parts?+

We use genuine Mercedes-Benz parts or OEM-quality equivalents from trusted suppliers. For critical components such as timing chains, we fit factory-spec parts to ensure long-term reliability.

Can you rebuild an AMG engine?+

Yes. Our technicians are experienced with all AMG engines, including M156, M157, M177, M178, and the four-cylinder M139. We have the specialised tools and knowledge required for AMG rebuilds.

Do you collect vehicles from outside Essex?+

Yes – we offer nationwide recovery from £70. Most vehicles are collected within a few hours of booking.