GMCGMCEngine Store
Mercedes-Benz

CLSEngines for Sale —Used & Reconditioned

Every engine. Every generation. 2004–2023.

10 engine families across C219 to C257 — verified fitment by registration, fixed prices, UK delivery.

GB

OM642

3.0 CDI Diesel

Used

From £1,995

In stock

M272

3.5 Petrol

Used

From £3,150

In stock

M276

3.0/3.5 Petrol

Used

From £2,950

In stock

M157

5.5 Bi-Turbo Petrol (CLS63 AMG)

Reconditioned

From £6,900

In stock

M256

3.0 Petrol (CLS450)

Used

From £2,995

In stock

OM656

3.0 Diesel (CLS400d)

Used

From £2,795

In stock

12-Month Warranty

Unlimited mileage on recon

Verified Fitment

Checked by registration

UK Nationwide Delivery

Fast & secure, 2-4 days

14-Day Returns

Uninstalled, full refund

Featured CLS Engines in Stock

Ready-stock units with fixed, listed prices.

UsedMercedes OM642 3.0 CDI Diesel Engine

Mercedes OM642 3.0 CDI Diesel EngineCLS C219/C218 (CLS320/350 CDI)

£1,995

In stock, ready to ship

Buy it now
UsedMercedes M276 Petrol Engine

Mercedes M276 Petrol EngineCLS C218 (CLS350/400)

£2,950

In stock, ready to ship

Buy it now
ReconditionedMercedes-AMG M157 5.5 Bi-Turbo Petrol Engine

Mercedes-AMG M157 5.5 Bi-Turbo Petrol EngineCLS C218 (CLS63 AMG)

£6,900

In stock, ready to ship

Buy it now
UsedMercedes M256 3.0 Petrol Engine

Mercedes M256 3.0 Petrol EngineCLS C257 (CLS450)

£2,995

In stock, ready to ship

Buy it now
UsedMercedes OM656 3.0 Diesel Engine

Mercedes OM656 3.0 Diesel EngineCLS C257 (CLS400d)

£2,795

In stock, ready to ship

Buy it now
UsedMercedes M272 Petrol Engine

Mercedes M272 Petrol EngineCLS C219 (CLS350/500)

£3,150

In stock, ready to ship

Buy it now

All 10 Engine Families for Mercedes-Benz CLS

Select your generation to see compatible engines.

CLS350 (C219)

M272 · 2004 – 2010

Petrol
272 PSView engine

CLS500 (C219)

M113 · 2004 – 2006

Petrol
306 PSComing soon

CLS55/63 AMG (C219)

M156 · 2006 – 2010

Petrol
476 – 525 PSView engine

CLS320/350 CDI (C219/C218)

OM642 · 2005 – 2017

Diesel
224 – 265 PSView engine

CLS250/350 (C218)

M274 · 2011 – 2017

Petrol
204 – 333 PSView engine

CLS350/400 (C218)

M276 · 2011 – 2017

Petrol
306 – 333 PSView engine

CLS63 AMG (C218)

M157 · 2011 – 2018

Petrol
518 – 585 PSView engine

CLS220d–350d (C218)

OM651 · 2011 – 2017

Diesel
170 – 265 PSView engine

CLS450 (C257)

M256 · 2018 – 2023

Petrol
367 PSView engine

CLS400d (C257)

OM656 · 2018 – 2023

Diesel
340 PSView engine

10 engines — scroll for more

View all engine families

CLS Engine Price Guide

Starting prices from the current engine-family data.

The price on each published listing is the price you pay.

Used or Reconditioned

CLS Engines Through the Generations

C219

C219 2004–2010

pioneered the "four-door coupe" body style, running M272/M113 petrols and OM642 diesel, with an M156-powered CLS63 AMG flagship. C218/X218 (2011–2017): added the Shooting Brake body style and M157-powered CLS63 AMG. C257 (2018–2023, the model's final generation before discontinuation): introduced the current M256 straight-six and OM656 diesel range.

CLS Engine Buying FAQs

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10 confirmed engine families across three generations, from the original 2004 M272/M113 range through to the current M256/OM656 line-up.

A

Use the registration checker on this page — generation (C219/C218/C257) is the clearest first filter.

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Standard petrol/diesel applications favour used. AMG applications (M156/M157) favour reconditioned given complexity.

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Reconditioned engines carry a 12-month, unlimited-mileage warranty on internal mechanical components. UK mainland delivery by kerbside pallet, typically 2–4 working days, with 14-day uninstalled returns.

Related Mercedes-Benz Models

E-Class (shares nearly the entire range across all three CLS generations)S-Class (shares M256/OM656/M157)All engines

Find Your CLS Engine by Registration

10 engine families across C219 to C257 — verified fitment by registration, fixed prices, UK delivery.

Check Fitment by Reg