Popular Mercedes-Benz Engine Codes & Average Prices
Per-code averages from the curated catalog — every listing priced below its typical market reference.
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In-Depth Guide — Buying a Mercedes-Benz Engine
REPLACEMENT OPTIONS — USED VS RECONDITIONED VS REMANUFACTURED
Mercedes-Benz replacement decisions are premium-segment: components prices are the highest in the catalog, labor is Euro-premium, and the condition tier is where real money is saved or lost. Used (9mo/6k) covers the four-cylinder fleet — M254/M260 2.0T (C-Class, E-Class, GLA, GLB, GLC, CLA — your fitment-checked price) — where VW-group-rival donor depth plus our 4-point screening keeps the tier rational. Reconditioned (16mo/12k) is the tier for the M256 3.0 inline-six keepers (CLE, GLE, GLS, S-Class — your fitment-checked price) and G-Class M177 owners (your fitment-checked price): machined surfaces, verified 48V integration, and the longer ladder on vehicles kept a decade. Remanufactured (36mo/36k) owns the performance and diesel extremes — AMG GT M178 (your fitment-checked price), Sprinter OM654 diesel (your fitment-checked price) — where installed totals crossing your fitment-checked price make the longest ladder and 2-installment financing (if you qualify, on your fitment-checked price+ bills) the practical path. Decision path: 2.0T daily driver → used; inline-six/G-Class keeper → reconditioned; AMG or Sprinter commercial → remanufactured.
POPULAR MERCEDES-BENZ ENGINE CODES & PRICES (real catalog data)
- M260 2.0L Turbo I4 (CLA, GLA, GLB) — your fitment-checked price vs your fitment-checked price. The compact-car four; three models share it.
- M254 2.0L Turbo I4 (C-Class, E-Class, GLC) — your fitment-checked price vs your fitment-checked price. The 48V mild-hybrid four — the volume code with e-integration on current builds.
- M256 3.0L Turbo I6 (CLE, GLE, GLS, S-Class) — your fitment-checked price vs your fitment-checked price. The flagship inline-six — 48V ISG integration, twin-turbo-adjacent output from single-turbo packaging.
- M177 4.0L Twin-Turbo V8 (G-Class) — your fitment-checked price vs your fitment-checked price. The G-Wagen's V8 — AMG-heritage hardware in an off-road icon.
- M178 4.0L Twin-Turbo V8 (AMG GT) — your fitment-checked price vs your fitment-checked price. The AMG halo — hot-vee twin-turbos, dry-sump-adjacent oiling discipline.
- OM654 2.0L Turbo I4 Diesel (Sprinter) — your fitment-checked price vs your fitment-checked price. The commercial van diesel — the catalog's Mercedes ceiling; fleet buyers replace on schedule, and installed totals cross your fitment-checked price (financing framing applies).
MERCEDES-BENZ ENGINE TYPES EXPLAINED
Three families plus the diesel. The M254/M260 2.0 turbo fours are the volume units — direct-injected, transverse or longitudinal, with 48V mild-hybrid integration on the M254 (a pairing gate at order time). The M256 3.0 turbo inline-six is the return of the straight-six: single twin-scroll turbo plus an electric auxiliary compressor on some builds, 48V ISG integrated into the drivetrain — the pairing verification is the fitment gate. The M177/M178 4.0 twin-turbo V8s are the AMG heart — hot-vee turbos, dry-sump-heritage oiling, output from 469 to 700+ hp across tunes. The OM654 2.0 diesel powers the Sprinter — all-aluminum, steel-piston construction, chain-driven, built for commercial duty cycles. No boxer, no V10/V12 in the current catalog; the older M276 V6 and OM642 diesel generations sit outside this list — VIN-check any legacy listing before comparison.
MERCEDES-BENZ ENGINE REPLACEMENT COST IN THE USA
components: your fitment-checked price to your fitment-checked price each your fitment-checked price under market.
Labor (typical install, estimate — confirm with sales desk): CLA/GLA/GLB (compact transverse): your fitment-checked price · C/E/GLC (midsize longitudinal): your fitment-checked price · GLE/GLS/S-Class (flagship): your fitment-checked price · G-Class/AMG (performance/off-road hardware): your fitment-checked price · Sprinter (commercial van): your fitment-checked price.
Worked examples: C-Class M254 ≈ your fitment-checked price installed. GLE M256 ≈ your fitment-checked price. G-Class M177 ≈ your fitment-checked price; Sprinter OM654 ≈ your fitment-checked price — the tiers where 2-installment financing (if you qualify, your fitment-checked price+ orders) applies. Freight: FREE, insured, 12–16 working days, USA and Canada.
MERCEDES-BENZ FAMILY-SPECIFIC PROBLEMS & SYMPTOMS
M254/M260 2.0T: DI carbon by ~70k (idle stumble clearing above 2,500 rpm); 48V system integration on the M254 — battery/ISG faults present as drive-system warnings rather than engine symptoms, so pairing verification matters; cooling-hardware plastics (water pump, thermostat) aging on high-mileage donors. All inspectable.
M256 3.0 I6: the 48V ISG is the headline — its faults (auxiliary-compressor lag warnings, 48V battery faults) are electrical-side but affect drivability; engine-side screens are turbo oil-feed flow, carbon, and coolant-line integrity. Our donors carry ISG pairing documentation.
M177/M178 4.0 TT: boost discipline — turbo oil-feed and coolant lines (the hot-vee layout makes feed lines the failure path), fuel delivery under load, and heat-cycling evidence on track-used AMG donors. Rotor-adjacent bearing sounds (whine change under boost) get documented, not guessed.
OM654 diesel (Sprinter): commercial-duty screens — fuel-system discipline (filter intervals), injector condition, timing-chain status at the rear of the engine, and aftertreatment history (DPF regen frequency). Fleet donors with documented service are the ones worth buying.
BUYING GUIDE — ORDERING YOUR MERCEDES-BENZ ENGINE
Step 1: VIN at /get-price/ — Mercedes trims hide hardware splits (a "C-Class" spans M254 generations with and without 48V; "AMG" spans M177/M178), so the VIN pins the code and pairing. Step 2: live tier comparison — M254/M260 depth is the premium-segment standard; M256/M177/OM654 supply rotates with donor quality, confirm before booking Euro-labor. Step 3: tier warranty applies automatically (9mo/6k · 16mo/12k · 36mo/36k, whichever first). Step 4: Authorize.net-tokenized checkout (card or ACH/eCheck) or phone at +1 (662) 452-4928. FREE insured freight from, 12–16 working days, USA and Canada. On G-Class/AMG/Sprinter builds over your fitment-checked price installed, ask about 2-installment financing if you qualify. Canadians: same freight, USD pricing, duties via your broker.
Mercedes-Benz — Live Market Listings (reference)
Used-condition market reference listings — your direct price and per-listing savings come from the curated catalog above.
No live market listings for Mercedes-Benz right now — sourcing takes 24–48 hours. Call +1 (662) 452-4928.
Meet Your Mercedes-Benz Engine Specialists
A dedicated desk for Mercedes-Benz fitment, QC sign-off and warranty handling — 27 specialists across 9 departments stand behind every order.
VIN cross-match and swap guidance for every Mercedes-Benz code.
Compression, leak-down and bench QC with documented sign-off.
9/16/36-month ladder claims handled in-house, 48-hour decisions.
What USA Drivers Say
Real feedback from garage owners and daily drivers we have supplied.
Shop Mercedes-Benz engines by model
44 Mercedes-Benz applications — each model page lists the conditions, odometer bands and prices we publish.
Model page shows verified prices where we publish them; "quote" marks applications priced on request by the fitment desk.
Quick answer
Mercedes-Benz replacement engines — what you need to know first
Replacement engines for the Mercedes-Benz are matched by engine code from your VIN, not by model year alone. We supply used (9-month warranty), reconditioned (16-month) and remanufactured (36-month) options, freighted by liftgate in 12–16 working days, with the warranty starting at delivery. The exact price for your variation is shown on screen after a short fitment check.
- Match by code, not by year — the same Mercedes-Benz model year can use more than one engine unit.
- Condition sets the warranty — 9, 16 and 36 months for used, reconditioned and remanufactured.
- Odometer band sets the price — 30–60K, 60–90K and 90–120K mile bands.
Which Mercedes-Benz engine do you actually have?
Start with the VIN. On most US vehicles the 8th character identifies the engine code, and it is the only reliable way to tell two same-displacement variants apart. Confirm your code with the free NHTSA VIN decoder or the code stamped on the engine block, then send it to us so the fitment desk can match the exact unit.
| Fitment check | What we confirm |
|---|---|
| Engine code | Confirmed from your VIN before dispatch |
| Displacement / configuration | Matched to your build specification |
| VIN position to check | 8th character identifies the engine code on most US vehicles |
| What we need from you | VIN (preferred) or year + make + model + engine size |
| Fuel and drivetrain | Confirmed at the fitment stage — 2WD/4WD/AWD changes the unit that fits |
| Interchange check | We confirm the exact unit against your engine code, not just the model year |
Used, reconditioned or remanufactured for a Mercedes-Benz — what is the difference?
All three are legitimate routes; the difference is how much of the engine has been renewed and how long the warranty runs. Match the condition to how long you intend to keep the vehicle, then check discount eligibility by phone (the extra discount is applied on the call, not on the screen).
| Condition | What it is | Warranty | Best suited to |
|---|---|---|---|
| Used (tested) | Original used engine from a donor vehicle, odometer band stated on the quote | 9 months / 6,000 miles | Budget repairs where the vehicle still has years left |
| Reconditioned | Stripped and rebuilt with new wear components to a documented specification | 16 months / 12,000 miles | Balancing cost against longer service life |
| Remanufactured | Rebuilt to manufacturer-level tolerances with the full wear set replaced | 36 months / 36,000 miles | Long-term keepers, work trucks and fleet vehicles |
Related supply pages: used engines · reconditioned engines · remanufactured engines · transmissions.
Should you repair or replace a Mercedes-Benz engine?
Diagnose before you commit. Compression and leak-down results, oil pressure, oil consumption and overheating history tell you whether the fault is internal or an external component — sensors, cooling or fuel delivery faults do not need an engine at all. Where machining and parts approach the cost of a tested replacement, swapping the unit is usually the better use of the money, particularly on high-mileage engines.
- Repair makes sense when the fault is external, the block is healthy and the vehicle is low-mileage.
- Replacement makes sense when compression is down on multiple cylinders, oil consumption is heavy, or the engine has overheated or seized.
- Decide with numbers — repair estimate versus delivered engine price, plus how many more years you expect from the vehicle.
How we verify Mercedes-Benz engine fitment and condition
Our fitment desk confirms the engine code against your VIN before dispatch, documents the inspection of the unit, and states the warranty term in writing on your quote. We publish prices per condition and odometer band and release your exact figure on screen after the fitment check.
What we do not claim: we do not publish manufacturer power or torque figures as our own data, we do not guarantee stock until the unit is confirmed, and we do not present prices as final before the fitment check. Where a specification needs an official figure, we point you to the manufacturer or NHTSA resources so you can verify it independently.
Verify independently: NHTSA VIN decoder · NHTSA safety recalls · EPA fuel economy data · Mercedes-Benz official site.
Mercedes-Benz — FAQ (10 questions)
What engines fits a Mercedes-Benz?
Fitment is confirmed by engine code, not by model year alone. Send your VIN and we match the exact unit before anything ships.
How much does a Mercedes-Benz engine replacement cost?
Your price depends on condition (used, reconditioned or remanufactured) and the odometer band of the unit. We release the exact figure on screen after a short fitment check — and you can call to check whether you qualify for additional discount.
Used vs reconditioned vs remanufactured — which should I choose for a Mercedes-Benz?
Used is the lowest-cost route with a 9-month warranty. Reconditioned is rebuilt with new wear components and carries 16 months. Remanufactured is rebuilt to manufacturer-level tolerances with the full wear set replaced and carries 36 months. Choose by how long you intend to keep the vehicle.
Will a Mercedes-Benz engine from another vehicle fit mine?
Only if the engine code, fuel system, ancillaries and drivetrain match your build. The same displacement can appear in several configurations, so we verify the code rather than assuming compatibility from the model name.
How do I find my engine code?
On most US vehicles the 8th character of the 17-digit VIN identifies the engine code. You can confirm it with the free NHTSA VIN decoder, and the code is also stamped on the engine itself.
How long does delivery take?
Freight is palletized, tracked and liftgate-capable, typically 12–16 working days. Commercial dock delivery and residential liftgate delivery are both supported and quoted up front.
What does the warranty cover?
Parts are covered for the stated term nationwide. Labor coverage applies only where it is written on your quote — most used-engine warranties are parts-only, while remanufactured tiers can include labor. Your written quote is the controlling document.
What happens if the unit arrives damaged or defective?
Report it with photos within 48 hours of delivery and we decide in-house — replacement or refund path depending on stock. Freight damage is documented with the driver at the door.
How does the core return work?
Where your quote includes core return, pickup of your old engine is prepaid and arranged within 30 days: same block, complete and drained, back on the same pallet.
Do you supply Mercedes-Benz engines for both automatic and manual vehicles?
Yes. Engine supply is independent of transmission type, and we also supply used, reconditioned and remanufactured transmissions. Tell us the drivetrain at the fitment stage so the ancillaries match.
Real quotes in minutes — the same inventory, the same prices, on the phone.
Frequently asked questions about Mercedes-Benz Engine Price & Transmission Price
What does delivery cost?
Freight is free and insured on every order, USA-wide, with lift-gate coordination available.
How long does delivery take?
Most orders ship in 12-16 working days.
What warranty do I get?
Warranty is 9/16/36 months by tier: 9 months or 6,000 miles on used, 16 months or 12,000 miles on reconditioned, and 36 months or 36,000 miles on remanufactured units.
Can I finance a replacement?
Financing is available on an order total of $5,000 or more, split into 2 installments, if you qualify.
Is a tested used engine better than a junkyard core?
The primary reason buyers choose a tested used engine over a junkyard core is verified condition: our units are compression-tested and warranty-backed.
| Option | Cost | Warranty | Testing | Reliability |
|---|---|---|---|---|
| Tested OEM used (A2Z) | Below dealer | 9 months / 6,000 mi | Compression + run test | Good, verified |
| Remanufactured (A2Z) | Middle | 36 months / 36,000 mi | Built to specification | Highest |
| Junkyard core | Lowest | Often none | Rarely tested | Variable |
How do I confirm the engine fits my vehicle?
Match the engine code on the block to your VIN range — the code, not the model name, decides whether the unit physically fits.
| Engine variant | Year range | Compatible models | VIN check | Typical pairing |
|---|---|---|---|---|
| 2.5L I4 | 2010-2017 | Mid-size sedans and SUVs | VIN position 8 | 6-speed automatic |
| 2.0L Turbo I4 | 2013-2020 | Compact and mid-size platforms | VIN position 8 | 8-speed automatic |
| 3.5L V6 | 2011-2017 | Large sedans and minivans | VIN position 8 | 6-speed automatic |
| 5.0L V8 | 2011-2017 | Full-size trucks | VIN position 8 | 6/10-speed automatic |
How does ordering work?
Ordering takes four steps: enter your vehicle, confirm your details, compare your nine prices, and we verify fitment before dispatch.
- Enter your vehicle: make, model and condition preference.
- Confirm your contact details and review the summary.
- Compare nine price options across three warranty tiers.
- A fitment specialist confirms the engine code, then the unit ships free and insured.
What do the engine terms mean?
A used engine is a tested original unit that has not been rebuilt.
A OEM engine is the original-equipment unit built by the manufacturer for that platform. A long block is a complete assembly (block, head, internal components) shipped without bolt-on accessories. A reconditioned engine has its worn service parts replaced and is re-tested, and a remanufactured engine is stripped to the block and rebuilt to specification. A VIN is the 17-character vehicle identifier used to confirm the exact engine code that fits your vehicle.