
M166 ENGINEREBUILD & REPLACEMENT
Specialist Mercedes-Benz M166 engine rebuilds and replacements, fitted across the Vaneo range. Nationwide recovery, registration-based engine matching, 12-month unlimited-mileage warranty.
Rated Mercedes-Benz 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
Fitted Across 1 Mercedes Models
Starting from
£2,200

Mercedes-AMG M139Engine Specifications
Engine Code
M166 (M166 E16/E19)
Manufacturer
Mercedes-Benz
Configuration
Inline-4 (I4)
Capacity
1.6L / 1.9L
Fuel
Petrol
Production Years
2001–2005
Used In
1 Mercedes-Benz model
Not sure if your Mercedes has this engine?
Enter your registration and we'll confirm.
Mercedes-AMG M139Engine Rebuild Price

Starting From
£2,200
All M166 applications use the same 2.0-litre AMG four-cylinder engine, so the price tier is consistent across every model it's fitted to. Exact price depends on condition and parts required — submit your reg for a fixed-price quote.
Get Your Fixed-Price Quote →Mercedes-Benz M166 Applications — Every Model & Variant
Not seeing your exact model?
Send us your registration and we'll confirm.
Mercedes-Benz M166 Rebuild Components

Main bearings and connecting rod bearings
Main bearings and connecting rod bearings — we replace these as standard.

Complete gasket and seal set
Complete gasket and seal set — all engine seals are renewed.

Timing chain components
Timing chain components — we inspect and replace timing chain components where required.

Oil filter housing gasket
Oil filter housing gasket — replaced as standard.

Crankshaft
Crankshaft — we inspect and measure for wear.

Cylinder head
Cylinder head — we inspect and measure for wear and damage.
Components drawn directly from VRF Key Components data. If your M166's exact ancillary set isn't covered above, we confirm the full scope once your engine is inspected — not guessed in advance.

OUR WORKSHOP
01RECOVERY COLLECTION
02STRIPPED ENGINE BLOCK
03TIMING CHAIN REPLACEMENT
04TECHNICIANS AT WORK
05ENGINE TESTING (RIG)
06COMPLETED & READY FOR REFIT
Real photos from our workshop — not stock imagery.
WHAT MERCEDES-BENZ OWNERS SAY
WE COVER YOUREXACT VEHICLE
Enter your registration below and we'll confirm whether your Mercedes has the M166 before you're quoted anything.
WHY CHOOSE US FOR MERCEDES-BENZ M166 REBUILDS
Engine matched using VIN or registration number
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
No widely-reported catastrophic issue pattern for the M166 — we still recommend a full inspection before any long journey
No widely-reported pattern is confirmed for the M166 — we still recommend a full inspection before any long journey.

AMGMERCEDES-BENZ M166 ENGINE REBUILD PROCESS
OUR MOST RECENTMERCEDES-BENZ 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.

AMG A45 (M166)
RECOVERY

AMG A35 (M260)
DIAGNOSTICS

AMG A45 (M166)
STRIPPED ENGINE

AMG E63 (M177)
TIMING CHAIN REPLACEMENT

AMG C63 (M177)
IN FOR REBUILD

AMG A45 (M166)
REBUILD IN PROGRESS
HOW IT WORKS
SEND YOURREGISTRATION
RECEIVE YOURFIXED-PRICE QUOTE
WE RECOVERYOUR CAR
REBUILD &REFIT
Most cars 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.
AMGABOUT THE
MERCEDES-BENZM166 ENGINE

The M166 is a petrol inline-four engine produced by Mercedes-Benz from 2001 to 2005. It was designed and built for a single application — the W414 Vaneo, a compact MPV based on the A-Class platform of the time. The M166 was available in two capacities, 1.6L and 1.9L, and powered the Vaneo throughout its short production run. While no widely-reported catastrophic issue pattern has been confirmed for this engine, we inspect and replace timing chain, bearings, and gaskets as standard on every M166 rebuild we carry out, with prices starting from £2,200.
MERCEDES-BENZ M166
APPLICATIONS BY MODEL

The M166 was exclusive to the Vaneo, produced in the W414 chassis from 2001 to 2005. It appeared in two main variants: the Vaneo 1.6 and the Vaneo 1.9.
MERCEDES-BENZ M166
ENGINE COMPATIBILITY
Because the M166 was only fitted to a single model generation (the W414 Vaneo), compatibility is more straightforward than with engines that spanned multiple platforms. However, the 1.6L and 1.9L variants are not automatically interchangeable — we always confirm your exact vehicle specification by registration before recommending a rebuild or replacement.
We confirm by registration/VIN before quoting or supplying anything.

MODEL
Confirm your exact model and AMG variant.
GENERATION
Identify the correct generation (W177, C118, H247, W206, X254, R232).
DRIVETRAIN
Specify the variant (45, 45 S, 43).
CONFIRMED BY REGISTRATION
We confirm by registration or VIN before quoting.
AMGOUR WORKSHOP VIEW OF
THE MERCEDES-BENZ M166
Built, rebuilt and tested by engineers who work on Mercedes-Benz engines every day.
Here's our practical view of the M166 across all six model applications.
Note: engine-specific case studies with real job details are not yet included on this page — they'll be added once a documented set of completed M166 rebuilds is available to draw from, rather than filled with placeholder examples now.
A TYPICAL
MERCEDES-BENZ M166 REBUILD

The following describes a typical rebuild scope for this engine — illustrative of the work involved, not a specific customer job. Real case studies from our own completed work will replace this section once available.
The M166 is a highly-strung, high-performance engine, and its twin-scroll turbocharger is a central component in its design. A full rebuild involves removing and inspecting the turbocharger, replacing timing chain components, bearings, gaskets, and calibrating the two-stage fuel injection system (direct and port injection). Given its 421 hp output in S guise, the engine's components are stressed to a high degree, and we pay particular attention to the crankshaft and cylinder head during inspection.
Typical Scope:
Timing chain, bearings, gaskets, twin-scroll turbocharger inspection/refurbishment, calibration of fuel injection system
Starting From:
£2,200
AMGMERCEDES-BENZ M166
ENGINE REBUILD COST

A Mercedes-Benz M166 engine rebuild starts from £2,200, regardless of which variant (1.6L or 1.9L) it's fitted to — the price tier is set by the engine, not the variant. 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.
Starting From
£2,200
MERCEDES-BENZ M166
REBUILD VS REPLACEMENT VS USED
Rebuilding Your M166 Engine
Most engine suppliers sell you a used engine of unknown history and hope it matches. We rebuild the engine your Mercedes already has instead — strip it down, pressure-test it, and replace every worn or damaged component with updated OEM parts. You get a near-new engine with a 12-month unlimited-mileage warranty, without the compatibility risk of an unknown used unit. This is the option most M166 owners choose.
Replacement M166 Engines
If your existing engine is beyond economical repair, we also offer full engine replacement and fitting — sourced and fitted by our team, with the same 12-month unlimited-mileage warranty.
Used M166 Engines
In some cases, a matched low-mileage used engine is the right call — particularly if you need your car back on the road quickly and your existing engine's damage is extensive. We can source and fit these too, though most owners who ask about used engines end up choosing a rebuild once they understand the compatibility risk a used unit carries.
MERCEDES-BENZ M166
RECONDITIONED ENGINES
"Reconditioned" is the term many owners search for when they mean the same thing as a rebuild — 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.
MERCEDES-BENZ M166
REFURBISHED ENGINES
"Refurbished" often describes the same process from a different angle — restoring your existing engine to full working condition rather than replacing it outright. Our rebuild covers this.
MERCEDES-BENZ M166
REMANUFACTURED ENGINES
Some owners specifically search for a "remanufactured" engine, expecting a unit rebuilt to original specification with updated components. That's consistent with what our rebuild service delivers, regardless of which of the six M166-equipped models you drive.
FREQUENTLY ASKED QUESTIONS
GET YOUR FREEMERCEDES-BENZ M166FIXED-PRICE QUOTE
Most quotes returned within 30 minutes during working hours.









