- SL Class 222 Type S550 Rwd 2014
- SL Class 222 Type Sdn S550 Rwd Vin G8C 5Th 6Th And 7Th Digits 2015
2014-2015 Mercedes-Benz S550 Used Engine — S Class Sedan, RWD, 222 chassis, VIN G8C
4.5 on Trustpilot · 335 reviewsHow ordering works
- 1Enter or confirm your VIN
- 2We verify exact fitment for your vehicle
- 3Flat freight shown up front — no surprises
- 490-day warranty included on every part
- 5We photograph & confirm the unit before it ships
What's included with this engine
You're buying a complete engine assembly — not a bare block. Here's exactly what arrives bolted to it, and the handful of accessories your mechanic moves over from your current engine during the install.
Included with your engine
Already assembled — ships as one unit- Long block — fully assembled
- Short block
- Cylinder head
- Crankshaft
- Camshaft
- Pistons
- Intake manifold
- Exhaust manifold
- Oil pan
- Timing cover
Not included — transfer these over
Reused from your current engine- Wiring harness
- Bolt-on accessories
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About this part
Bring Back Your V8 Power Genuine M278 Engine Replacement for Mercedes-Benz S550 W222 2014-2015
Elevate your Mercedes-Benz S-Class W222 with an authentic M278 DE 46 AL engine replacement, meticulously engineered to restore the commanding performance
Engine Specifications:
| Category | Details |
|---|---|
| Displacement | 4.7L Biturbo V8 |
| Horsepower | 449 HP |
| Torque | 516 lb-ft |
| Turbochargers | Twin-turbochargers |
| Fuel System | Gasoline Direct Injection |
| Block Material | Aluminium block/heads |
| Transmission | Automatic Transmission 7-speed 7G-Tronic |
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 -60K miles | $ 12,820.60 | Low-mileage, rigorously tested |
| 60K-90K miles | $ 10,393.50 | Excellent, fully inspected |
| 90K-120K miles | $ 9,945.00 | Good, verified operational status |
| 120K-150K miles | $ 8,443.50 | Functional, recommended for pre-installation service |
Shipping Information:
Dimensions: Length 40" × Width 32" × Height 34"
Weight: Approximately 500 lbs
Shipping Options:
Standard shipping 5-7 business days
Fast shipping is available for an additional fee when you need it urgently.
Frequently Asked Questions?
Q: What is the exact engine code for the 2014-2015 S550 RWD?
A: The engine is identified as M278 DE 46 AL, commonly known as M278.929 in S550 models.
Q: How does this M278 engine compare to the V6 Biturbo in the SL400?
A: The M278 is a powerful 4.7L V8 biturbo engine delivering 449 HP and 516 lb-ft torque, built to enhance the S550’s performance and luxury.
Q: Do your engines come with warranties?
A: This engine comes with a 60-day warranty. You can also get extended coverage from 6 to 12 months. Get in touch with our team for more info and elevate your driving experience.
Q: Can I reuse my existing transmission with this engine?
A: You can usually keep your 7-speed 7G-Tronic transmission if it’s in good shape and fits the M278 engine. Have a pro check it first to ensure it’s ready to perform.
Ready to Order?
The 2014-2015 Mercedes S550 M278 engine is a precision replacement that brings back your car’s power and luxury. Reach out now to check availability and order our team is ready to help.
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.
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.
Want a better price on this part?
Call us before you order — we’ll check if there’s an extra discount available on this exact part for your vehicle. Two minutes, no pressure.
☎ Call (206) 686-6866Ask us about a better price
One quick call and we’ll see if we can get you a better discount on this part. Real specialist, no call center.
☎ Call (206) 686-6866