Used OEM Part · Tested

Mercedes SL Class 230 Type, SL550 - Engine (2009)

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Find your VIN on the driver-side door jamb or lower windshield.
Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $15,818.09
$7,190.04
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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  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 SL550 (R230) Engine For 2009 Models

This powerful 382 HP V8 engine delivers exceptional performance and luxury for your Mercedes-Benz SL550, combining sophisticated technology with effortless power.

Engine Specifications:

Category Details
Engine Code M273 E55
Displacement 5.5L V8
Aspiration Naturally Aspirated
Horsepower 382 HP 
Torque 391 lb-ft 
Fuel System Sequential Multi-Point Fuel Injection
Valvetrain DOHC 32-valve
Transmission 7-Speed Automatic 
Engine Block Aluminum alloy block and heads
 

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 $ 7,190.04 Like-new condition, minimal wear
60K-90K miles $ 6,420.44 Light use, excellent condition
90K-120K miles $ 4,560.40 Good condition, fully functional
120K-150K miles $ 2,839.20 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 SL550 has the M273 engine?

A: The SL550 for 2009 exclusively used the M273 5.5L V8 engine. You can confirm by checking the engine designation on the engine cover and the vehicle identification number VIN.

Q: What maintenance is critical for this engine?

A: Regular oil changes and coolant checks are essential to keep the Mercedes SL Class 230 Type SL550 engine running strong. Replace spark plugs and air filters on time to maintain power. Check belts and hoses regularly to prevent issues. Proper care ensures this engine performs boldly on every drive.

Q: What are common issues with the M273 engine?

A: The M273 engine in the 2009 Mercedes SL550 can have issues like intake runner failures causing rough idling, timing chain wear leading to noise, and oil leaks around valve covers. Address these problems quickly to keep your engine running strong and bold.

Ready to Order?

Restore your Mercedes-Benz SL550's legendary performance with a quality replacement M273 V8 engine. Experience the smooth power and sophistication that defines the SL-Class. Order now to return your luxury convertible to its original grandeur!

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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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