Used Mercedes engines
Where can you buy a tested used Mercedes engine for sale?
Car Part Headquarters supplies tested used and remanufactured Mercedes engines for cars, trucks, SUVs, and vans, shipped free to a commercial address across the lower 48 and backed by a 12-month parts-replacement warranty. Tell us your Mercedes’s year, model, and engine, and a specialist confirms the exact fitment before you pay.
Buying a used Mercedes engine
Mercedes requests concentrate on the M272 and M273 petrol engines and the OM642 diesel. The petrol pair share a specific, well-bounded defect that is worth checking by VIN.
M272 V6 / M273 V8roughly 2005 to mid-2008
Balance shaft and idler sprocket wear is the defining issue, and the affected range is tied to production date rather than model year. Updated sprockets made from harder material resolve it, so a donor built after the change, or already repaired, is the one you want.
OM642 3.0L V6 diesel
Oil cooler seal leaks sitting in the engine valley are the recurring complaint, and the labour to reach them is the expensive part rather than the seals.
Before you order
On the M272 and M273 the production date decides which sprocket the engine carries. Give us the VIN and we confirm which side of the change your donor falls on.
Sources: NHTSA recalls and VIN lookup · M272 and M273 balance shaft wear and affected range
01
Mercedes engines we commonly source
We regularly source Mercedes engines across the lineup - the 6.2L V8, 5.5L V8, 5.0L V8, 3.5L V6, and 3.2L V6 among them. If your engine isn’t listed, tell us the year, model, and VIN and a specialist tracks down the right one.
- 6.2L V8
- 5.5L V8
- 5.0L V8
- 3.5L V6
- 3.2L V6
- 3.0L V6 Turbo Diesel
- 3.0L V6
- 2.1L I4 Turbo Diesel
- 2.0L I4
- 2.0L I4 Turbo
02
Mercedes models we fit
From daily drivers to trucks and SUVs, we match engines and transmissions to the Mercedes models we service. Don’t see yours? The finder covers the full Mercedes lineup.
- C Class
- E Class
- G Class
- S Class
- SL Class
- CLS
- GL Class
- GLS Class
- ML Series
- SLK
- GLC Class
- GLE Class
VIN & interchange codes
How Mercedes engines are identified by VIN
Mercedes engines of the same displacement can differ by VIN code, emissions package, and build - which changes the correct part. Here is the real interchange breakdown for a 2015 Mercedes C Class, the kind of detail a specialist confirms from your VIN before anything ships:
| Engine / application | Interchange # |
|---|---|
| 204 Type C250 (Cpe) | 300-85048 |
| 204 Type C350 (Cpe) AWD | 300-85053 |
| 204 Type C350 (Cpe) RWD | 300-85054 |
| 204 Type C63 (Cpe) Base | 300-85191 |
| 204 Type C63 (Cpe) Edition 507 | 300-85146 |
| 205 Type C300 (Sdn) AWD | 300-85192 |
| 205 Type C300 (Sdn) RWD | 300-85193 |
| 205 Type C400 (Sdn) | 300-85194 |
Interchange data shown for reference. Availability and exact application are confirmed per order from your complete VIN.
Why buy your Mercedes engine from Car Part Headquarters
Tested before it ships
Every engine and transmission is compression- and pressure-tested and inspected before it leaves the warehouse.
12-month parts-replacement warranty
Approved claims are covered by replacement or store credit for a full year. Labor is not covered unless you add a parts-and-labor plan.
Free commercial shipping
Free delivery to a commercial address or freight terminal in 5-7 business days. Residential delivery is available for an added $175.
Fitment confirmed first
A specialist confirms the correct part for your exact year, make, model, and VIN before you pay - no guesswork.
How it works
Buying a used Mercedes engine, step by step
01
Tell us your vehicle
Enter the year, make, model, and part in the finder, or call. Add your VIN to pin the engine down exactly.
02
Get a confirmed quote
A specialist confirms availability, mileage, and compatibility, then sends a no-obligation quote.
03
Order & ship
We ship within 5-7 business days, free to a commercial address, with tracking.
04
Support after the sale
Questions before or after install are handled by the same team, backed by the 12-month parts warranty.
FAQ
Used Mercedes engines & transmissions
How much does a used Mercedes engine cost?
Price tracks the engine family more than the model year, and on Mercedes that usually means which of the M272 V6 / M273 V8 and OM642 3.0L V6 diesel you need. Displacement alone does not settle it, because the same badge can cover variants that differ in cost and availability. Tell us the year, model and VIN and you get a firm quote on the engine your vehicle actually takes, with availability confirmed before you pay.
Which Mercedes engines do you carry?
We regularly source Mercedes engines across the lineup, including the 6.2L V8, 5.5L V8, 5.0L V8, 3.5L V6, 3.2L V6, 3.0L V6 Turbo Diesel. If you don't see your exact engine, tell us the year, model, and VIN and a specialist confirms the right one before you pay.
Do you sell used Mercedes transmissions too?
Yes. Alongside used and remanufactured Mercedes engines, we source manual, automatic, and CVT Mercedes transmissions matched to your vehicle, backed by the same 12-month parts-replacement warranty.
Will the engine fit my exact Mercedes?
Fitment is confirmed before you pay. On the M272 and M273 the production date decides which sprocket the engine carries. Give us the VIN and we confirm which side of the change your donor falls on. Give us the year, model and 17-digit VIN and a specialist matches the correct engine to your exact application.
Are your used engines and transmissions tested?
Yes. Every used engine and transmission is compression- and oil-pressure tested and put through a rigorous inspection process by automotive experts before they ship.
What warranty comes with a part?
Every engine and transmission includes a 12-month parts-replacement warranty, plus lifetime support from ASE-certified experts. Approved claims are handled by replacement or store credit - we do not issue cash refunds. Labor is not covered on the standard warranty. You can upgrade to 3-year parts and labor coverage for $499 at the time of purchase. Full warranty details are provided with your order.
Can I get a longer warranty that covers labor?
Yes. The standard coverage is 12 months on parts. For $499 you can upgrade to a 3-year warranty that covers both parts and labor, purchased at the time of your order. Ask your specialist to add it when you confirm your part.
Ready to find your Mercedes engine?
Tell us the year, make, and model. A specialist confirms the right engine or transmission, availability, and mileage before you pay.