Mercedes Garage
Mercedes-Benz Timing Chain Failure Repair
Full assessment and remediation for Mercedes engines that have suffered timing chain failure. Complete strip-down, damage inspection, component replacement, and rebuild to factory tolerances.
15+ yrs
Mercedes specialists
1,800+
engines rebuilt
12 mo
unlimited-mileage warranty
What This Service Involves
When a Mercedes engine arrives at our workshop with a timing chain failure, we carry out a comprehensive assessment and remediation process. This is not a simple replacement — it requires full disassembly of the upper engine, careful inspection of all internal components, and precise reassembly using correct procedures and specifications.[reference:0]
Our process covers the full journey from initial inspection through to final testing, ensuring the engine is returned to factory specifications and reliable operation.
Our Fixed-Price Rebuilds
4-Cylinder Diesel (OM607/608/640/651/654) — from £2,200
6-Cylinder Diesel (OM642) — from £2,800
AMG V8 (M156/M157/M177/M178) — from £6,500
Price includes full disassembly, parts, labour, and final testing. Pricing disclaimer.
Inside our workshop
Mercedes-Benz Timing Chain Failure Repair
Our Process — Assessment to Completion
- 01
Initial Workshop Assessment
We carry out a full inspection of the engine, including visual checks and diagnostic data review. We provide a written estimate covering parts, labour, and diagnostics before any work begins.[reference:1][reference:2]
- 02
Full Engine Strip-Down
We completely disassemble the upper engine to access the timing chain, guides, tensioners, and sprockets.[reference:3] This involves removing auxiliary belts, the harmonic balancer, and the timing cover.[reference:4]
- 03
Damage Inspection
We inspect all internal components — cylinder head, valves, pistons, bearings, and the engine block — to determine what is salvageable and what needs replacement.[reference:5]
- 04
Component Replacement
We replace the timing chain, guides, tensioners, and any damaged components. Where required, we carry out machining of cylinder walls, crankshaft journals, and head surfaces.[reference:6]
- 05
Rebuild & Timing
We reassemble the engine using genuine or OEM parts, set timing using factory-level procedures, and verify alignment before final assembly.[reference:7][reference:8]
- 06
Testing & Verification
We run the engine through a complete diagnostic sequence, check for correct operation, and road-test the vehicle to confirm the repair.[reference:9][reference:10]
Why Choose Us for Your Mercedes Timing Chain Failure Repair
- Specialist Mercedes workshop with 15+ years of experience (founded 2009)
- Factory-trained technicians using genuine Mercedes-Benz tools and XENTY diagnostics
- Transparent pricing – fixed-price rebuilds from £2,200, no hidden charges
- Nationwide recovery service from £70 – we bring your vehicle to our Essex workshop
- 12-month unlimited-mileage warranty on all parts and labour
- Full strip-down and inspection – we identify what's salvageable and quote accurately
- Engine removed and refitted with care – we match your exact engine code and VIN
Meet our workshop and see how we work.
How It Works – From Booking to Collection
- 01
Call or get a quote online – we'll discuss your engine and arrange recovery if needed.
- 02
Vehicle arrives at our Essex workshop. We carry out a full assessment and provide a written estimate.
- 03
We complete the strip-down, inspection, and rebuild (typically 3-5 working days for most engines).
- 04
You collect your vehicle with a full report and 12-month warranty – or we arrange delivery.
Related Services We Offer
Frequently Asked Questions
How long does a timing chain failure repair take?+
Typical turnaround is 3-5 working days from arrival at our workshop. More complex jobs (e.g. V8 or V12 engines) may take longer. We'll give you an estimated completion date when we start the work.
Do you use genuine Mercedes parts?+
We use genuine Mercedes-Benz or OEM-quality parts (chains, tensioners, guides, seals) to ensure reliability and compatibility with your engine.[reference:11]
Do I need to bring the car to you, or can you collect it?+
We offer nationwide recovery from £70. Most vehicles are collected within a few hours of booking. Alternatively, you can drop it off at our Billericay workshop.
Is the work covered by a warranty?+
Yes. All our timing chain failure repairs come with a 12-month, unlimited-mileage warranty on parts and labour.
What is the price range for this repair?+
For 4-cylinder diesel engines, rebuilds start from £2,200. For 6-cylinder diesels, from £2,800. For AMG V8 engines, from £6,500. The final price depends on the exact engine and the extent of damage found during strip-down.
Do you carry out machining work in-house?+
Yes. We carry out cylinder wall honing, crankshaft journal grinding, and head surface machining as part of our rebuild process.[reference:12]