
- SL Class 222 Type S550 Rwd 2014
- SL Class 222 Type Sdn S550 Rwd Vin G8C 5Th 6Th And 7Th Digits 2015
Mercedes SL Class 222 Type, (Sdn), S550, RWD (VIN G8C, 5th, 6th and 7th digits) - Engine (2014-2015)
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
Split this into easy monthly payments
Pre-qualify with PayTomorrow in minutes — all credit types welcome, and checking your options won’t affect your credit score. You’ll see your approved amount and terms instantly.
⚡ Instant decision · 🛡 Soft check (no score impact) · ✅ All credit types welcome
Pre-qualify now — it’s free →Financing provided by PayTomorrow, a third-party lender. Approval, rate, and terms are set by the lender. Not a guarantee of approval.
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.
Your deal’s already in your cart
Applied automatically — no code needed. Call now and we’ll do even better.
