Mercedes-Benz engine codes and identification

Browse Mercedes-Benz engine-reference records, correction notes and identification guidance. Check each record’s sources and vehicle-specific application limits.

engine-0engine-1engine-2

This directory links to engine-reference records and their correction notes. It is not a complete or uniformly verified catalogue. Confirm the exact engine and vehicle before relying on a specification or application.

Browse Mercedes-Benz engine records

Records undergoing identity review are clearly marked. Only records with an evidenced manufacturer/vehicle allocation belong in the factory-application list.

Engine reference image
Engine CodeFuel TypeSeries
Petrol119985 50
DieselA-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
—M-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
—M-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
—M-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
PetrolM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
—OM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
—OM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series
DieselOM-Series

Looking for a replacement Mercedes-Benz engine?

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Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.

How to confirm your Mercedes-Benz engine identifier

Confirm the full engine designation using vehicle-specific manufacturer records and the engine marking. An engine serial number, a registration record and a marketed power badge are not automatically the same identifier. Match the VIN/build data and the installed engine before selecting parts or a replacement. Use the applicable manufacturer record to locate the engine marking. This directory does not assert one universal VIN decoding position or stamp location. A V5C engine-number field is not, by itself, proof of an exact engine-type designation.

Mercedes-Benz engine families and technical distinctions

Mercedes-Benz engine families, full suffixes and marketed vehicle badges are separate identifiers. M112.976 is associated with a 3.7-litre V6 application; M271.940 is a supercharged 1.8-litre petrol engine; OM642.920 is documented as 2987 cc; OM651.955 must use a suffix-specific Sprinter application record. The OM651 timing drive is on the output side. M254 chronology begins with the 2020 family announcement, not a 2017 assumption. Read the individual record’s source and application scope. A technology or service requirement must not be applied to an entire brand because one engine uses it.

Manufacturing and partnership information

Production volumes, plant allocations and partnership applications require a dated manufacturer source. The previous unsourced figures and cross-brand fitment claims have been withdrawn from this hub. A manufacturing relationship does not establish engine interchangeability.

Engine Code FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

Confirm the full engine designation using vehicle-specific manufacturer records and the engine marking. An engine serial number, a registration record and a marketed power badge are not automatically the same identifier. Match the VIN/build data and the installed engine before selecting parts or a replacement.

No. A factory-application reference and a replacement-interchange decision are different. Match the full engine designation, vehicle build data, emissions equipment, controls and relevant supplier/OEM information.

No. Records have different review states. Read the correction notice, source scope and application limits on the individual record. Missing technical fields must not be inferred from similar engine codes.

References, Disclaimers and Sources

EngineCode.uk provides reference information about Mercedes-Benz engine codes and identification engines. It is operated by Engine Finders UK Ltd and also offers an optional replacement-engine enquiry service. Technical information can contain errors or omissions. Check the sources and verification notes for the relevant record, and confirm the details for your vehicle before buying parts or arranging work.

EngineCode.uk is a reference website operated by Engine Finders UK Ltd. It is not an official manufacturer website and is not endorsed by the manufacturers whose engines it describes. Manufacturer names and trademarks are used to identify the subjects covered. Our ownership and any commercial routes are explained in our Ownership and Commercial Disclosure.

Sources and review status EngineCode.uk is operated by Engine Finders UK Ltd and is not an official manufacturer website. Individual records show their source scope and correction status. General regulatory links provide context; they do not verify engine dimensions, service instructions or fitment. Report a specific field or application error with a supporting source through the site’s correction contact.

  • Mercedes-Benz Public Archive, C280 M112 technical data — https://mercedes-benz-publicarchive.com/marsClassic/en/instance/ko/C-280-V6-engine--W-202-E-28-1997---2000.xhtml?oid=5492
  • MANN-FILTER, C 42 192/1 applications — https://www.mann-filter.com/uk-en/catalogue/search-results/product.html/c42192/1_mann-filter.html
  • Mercedes-Benz, updated E-Class / new M254 announcement (2020) — https://media.mercedes-benz.com/article/cbd23719-1e0e-4814-b763-3222fa5d7168
  • Mercedes-Benz, new C-Class technical data (2021) — https://media.mercedes-benz.com/article/4a15317e-7b3d-405d-9960-e4515158967a
  • MANN-FILTER, C 27 000-2 applications — https://www.mann-filter.com/uk-en/catalogue/search-results/product.html/c27000-2_mann-filter.html
  • MANN-FILTER, CUK 3569 applications — https://www.mann-filter.com/us-en/catalog/search-results/product.html/cuk3569_mann-filter.html
  • Daimler-authored OM651 introduction into service, 2008, mirrored original — https://manualmachine.com/mercedes/om651/28654484-service-manual/
  • Mercedes-Benz archive: C 200 Kompressor, type 203.042 — https://mercedes-benz-publicarchive.com/marsClassic/en/instance/ko/C-200-Compressor.xhtml?oid=298651
  • MANN-FILTER C 43 139 catalogue — https://www.mann-filter.com/en/catalog/search-results/product.html/c43139_mann-filter.html
  • MANN-FILTER C 29 035-2 catalogue — https://www.mann-filter.com/en/catalog/search-results/product.html/c29035-2_mann-filter.html
  • MANN-FILTER HU 6033 z catalogue — https://www.mann-filter.com/en/catalog/search-results/product.html/hu6033z_mann-filter.html

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EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.