Used OEM Part · Tested

Mercedes SL Class 221 Type, S350 - Engine (2012)

4.5 on Trustpilot · 335 reviews
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 $19,257.52
$8,753.42
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.
Not sure it fits? Call an expert
🛡90-Day WarrantyParts replacement
🚚Flat-Rate FreightDelivered to your door
🔒Secure CheckoutEncrypted payment
24-Hr Free CancelFull refund within 24h

How ordering works

  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

Authentic 2012 Mercedes S350 engine for the 221 chassis model

Full M276 DE 30 V6 engine replacement designed to restore luxury sedan performance.

Engine Specifications:

Category Details
Engine Code M276 DE 30
Displacement 3.5L V6
Horsepower 302 HP 
Torque 273 lb-ft
Fuel System Direct Injection
Block Material Aluminium block/head
Transmission 7G-Tronic compatible
 

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 $ 8,753.42 Low-mileage, full history
60K-90K miles $ 8,021.26 Excellent, minor wear
90K-120K miles $ 7,499.70 Good, may need gaskets
120K-150K miles $ 7,254.00 Functional, needs timing service
 

Shipping Information:

Dimensions: Length 38"× Width 32"× Height 34"

Weight: 450 lbs

Shipping Options:

Standard shipping 5-7 business days

Expedited shipping are available for an extra cost

Frequently Asked Questions?

Q: Are the variable intake runners included?

A: The Mercedes SL Class 221 Type S350 Engine (2012) is engineered to deliver smooth performance and reliability. Please note, variable intake runners are not included with this engine, ensuring a focus on core power and durability for your vehicle upgrade.

Q: Does this include turbos?

A: The Mercedes SL Class 221 Type S350 Engine (2012) is designed for reliable performance, but it does not come with turbos included. This allows you to focus on the engine’s core strength and reliability for a bold driving experience.

Q: Can I reuse my existing ECM?

A: The ability to reuse your existing Engine Control Module ECM with the 2012 Mercedes SL Class 221 S350 engine depends on its compatibility and condition.

Ready to Order?

Ready to order for seamless installation and enhanced vehicle 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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