Used OEM Part · Tested

Mercedes C Class 205 Type, Sedan, C300, AWD (VIN 4K, 6th and 7th digits) - Engine (2018)

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Confirm it fits YOUR vehicleEnter your VIN — we verify exact fit before you pay
Find your VIN on the driver-side door jamb or lower windshield.
Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $10,965.24
$4,984.20
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
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🛡90-Day WarrantyParts replacement
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  1. 1Enter or confirm your VIN
  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

Mercedes-Benz C300 Sedan Engine For 2018 AWD Models 

This advanced 255 HP turbocharged inline-4 engine delivers impressive performance and efficiency for your Mercedes-Benz C300, combining modern technology with luxury refinement.

Engine Specifications:

Category Details
Engine Code M274 DE20 LA
Displacement 2.0L inline-4
Aspiration Turbocharged
Horsepower 255 HP 
Torque 273 lb-ft 
Fuel System Direct Injection
Valvetrain DOHC 16-valve
VIN Requirements 6th digit = 4, 7th digit = K 
Transmission 9-Speed Automatic 
Drivetrain 4MATIC AWD
Engine Block Aluminum alloy block and head
 

Key Features:

Complete Long Block Assembly: Includes the fully assembled engine block, crankshaft, pistons, cylinder head, and valvetrain.

Includes Intake & Exhaust Manifolds: Comes with both manifolds pre-attached, saving installation time.

Backed by Warranty: Provides a reliable warranty on the entire assembly for peace of mind.

Pricing Options:

Mileage Range Price Condition
<30K miles $ 4,984.20 Like-new condition, minimal wear
30K-60K miles $ 4,230.20 Light use, excellent condition
60K-90K miles $ 3,802.50 Good condition, fully functional
90K-120K miles $ 3,249.74 Budget option, may require minor service
 

Shipping Information:

Standard shipping 5-7 business days.

Expedited shipping available for an extra cost.

Frequently Asked Questions?

Q: How do I confirm my C300 has the M274 engine?

A: Check the 6th and 7th digits of your VIN they must be 4K for the C300 AWD sedan. Also verify 4MATIC badging on the vehicle.

Q: What maintenance is critical for this turbocharged engine?

A: For your turbocharged Mercedes C Class 205 Sedan C300 AWD (2018), regular oil changes and clean air filters are essential. Replace spark plugs and coolant on time to avoid overheating and keep the engine powerful. Stay on top of maintenance to keep your ride thrilling and reliable.

Q: Is this engine compatible with RWD models?

A: This turbo engine fits only the AWD Mercedes C Class 205 Sedan C300. It won't work with RWD models because of different designs. For the best performance, use the engine made for AWD models.

Ready to Order?

Restore your Mercedes-Benz C300's sophisticated performance with a quality replacement M274 turbocharged engine. Experience the perfect blend of efficiency and power that defines this luxury sedan. Order now to return your C-Class to its refined performance!

Order with confidence

Tested, VIN-matched, and guaranteed

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
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