Mercedes-BenzM275/M279Petrol5.5–6.0L V12 Biturbo2002–present

Mercedes-Benz M275/M279 Engine – Specs, Reliability & Replacement Cost

The Mercedes M275 and M279 are the ultimate modern V12 biturbos – immense power and refinement, but complex and ruinously expensive to fix without specialist care. Backed by real UK enquiries [ESTIMATED].

Mercedes-Benz M275/M279 Engine – Specs, Reliability & Replacement Cost
Compare M275/M279 Engine Prices

Jaguar M275 / M279 Engine Overview

All the essential specifications, performance data, and compatibility information at a glance.

Engine Family

M275 / M279

Fuel

Petrol

Configuration /
Displacement

60° V12 biturbo, 5.5L (M275) / 6.0L (M279)

Power Range

493–630 hp

Years Produced

M275: 2002–2013; M279: 2012–present

Models Fitted (BMW only)

Cross-Brand Fitment

Exclusive to Mercedes-Benz

Overall Engine Score

[Score]/100/

★★★★☆

Verdict & Rating

Rating:

4

out of 5

78% confidence – based on owner reports and specialist workshop feedback across the modern V12 range.

The M275/279 is a magnificent flagship V12 – but repair costs can exceed the car's value on older examples – buy only with full history and a specialist relationship.

Engine Score breakdown:

DimensionScore (of 20)

Reliability

Star rating 4.0 × 4 = 16

16 /20

Repair Cost

Recon midpoint ~£8,000 (£7,000–£9,999 threshold → 8)

8 /20

Repairability

Complex V12 biturbo, specialist-only; many jobs require engine-out access

8 /20

Parts Supply

Parts available but dealer-only for many components; expensive

12 /20

Replacement Economics

Recon cost ~£8,000 against lowest host value ~£8,000 = 100% (75%+ band → 4)

4 /20

Total Engine Score

48 / 100

Best for:

Connoisseurs of ultimate Mercedes V12 luxury who can afford specialist maintenance and preventative care.

Avoid if:

You're on a tight budget, or looking at a high-mileage example without documented coil pack and ABC system history.

Compatible Jaguar Models

Jaguar Engine engines are fitted across 4+ models from 2003–2014.

Jaguar Exclusive Engine

This is an exclusive Jaguar engine. No cross-platform sharing.

2003
11 Years of Production
2014

S-Class

Generation

W221/W222

Variant/Badge

S600 / S65 AMG

Years

2005–present

CL-Class

Generation

C216

Variant/Badge

CL600 / CL65 AMG

Years

2006–2014

SL-Class

Generation

R230

Variant/Badge

SL600 / SL65 AMG

Years

2003–2012

G-Class

Generation

W463

Variant/Badge

G65 AMG

Years

2012–present

+

Other Jaguar Models

Engine also appears in limited variants and markets.

View full details ›

Compatibility Verified

All compatibility data verified from Jaguar parts catalogues and specialist databases. [JAGUAR-VERIFIED]

(Omitted – exclusive to Mercedes-Benz.)

Jaguar Engine Engine Price Guide

All prices are estimates from UK specialists

[JAGUAR-QUOTE]

USED

Supply Only

£3,000–£5,500

Fitted (Indie)

£4,500–£7,500

Warranty

3–6 months
Most Popular

RECONDITIONED

Supply Only

£6,000–£10,000

Fitted (Indie)

£7,500–£12,000

Warranty

12 months

REBUILT

Supply Only

£10,000–£16,000

Fitted (Indie)

£12,000–£18,500

Warranty

12–24 months
i

Fitting an M275/M279 typically takes 16–22 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [ESTIMATED].

(Omitted – exclusive to Mercedes-Benz.)

Compare M275/M279 engine prices from UK specialists

Frequently Asked Questions

Expert answers to the most common BMW Engine engine questions.

Why Owners Trust Us

Trusted Suppliers

Every garage and engine rebuilder in our network is vetted, rated and reviewed by real M275/M279 owners, as part of the Engine Finders network.

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We compare genuine Mercedes-Benz M275/M279 specialist suppliers side-by-side – so you see real prices from real UK workshops, not generic estimates.

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