Mercedes M273 Engine for Sale: Purchase High-Quality Rebuilt & Used Engines Online
If you are looking for a for-sale Mercedes M273 engine, then you are in the right place. Whether you are an auto enthusiast, mechanic, or even just a Mercedes-Benz owner with failed engines, it does not matter – having your M273 engine replaced does not need to be a headache. We deal in providing high-quality used and rebuilt M273 engines that offer OEM-level performance for a fraction of the price of a brand-new powertrain.
In this comprehensive guide, we will guide you through everything that you should know regarding the Mercedes-Benz M273 engine—specs, issues, compatibility, and more importantly, where to purchase a genuine M273 engine online. If you are planning to purchase a rebuilt or used M273 engine, this piece is your guide. Mercedes M273 Engine For Sale
What Is the Mercedes M273 Engine?
Mercedes-Benz M273 engine is a naturally aspirated V8 gasoline engine that succeeded the M113 in 2005. Engineered with performance and smoothness as top priorities, the M273 exists in two primary displacement variations: Mercedes M273 Engine For Sale
- M273 E46 – 4.6L V8 (found in models like the E500, S500)
- M273 E55 – 5.5L V8 (found in the S550, CLS550, GL550, etc.)
It has:
- DOHC aluminum build
- Variable valve timing (VVT)
- Sequential fuel injection
- Balance shaft for lowered vibration
This engine was featured in a broad range of Mercedes-Benz high-end vehicles from 2005 until 2011. Though no longer manufactured, the engine still enjoys high demand for replacement due to its incredibly smooth nature and sufficient power. Mercedes M273 Engine For Sale
Why Buy a Mercedes M273 Engine?
If the existing engine of yours cannot be fixed—overheated, out of oil, or timed out—replacing it with a proven rebuilt or used engine is the most economical option. Mercedes M273 Engine For Sale
Advantages of Purchasing an M273 Engine from Us:
✅ Rigorously tested and inspected
✅ Rebuilt and used alternatives
✅ Warranty protection on certain engines
✅ Cross-country shipping
✅ Decades of experience as an experienced supplier
We do not only list M273 engines—sell them with complete support, from consultative through selection to after-sales servicing. Mercedes M273 Engine For Sale
M273 Engine Specifications
| Feature | M273 E46 (4.6L) | M273 E55 (5.5L) |
|---|---|---|
| Displacement | 4.6L (4596 cc) | 5.5L (5461 cc) |
| Configuration | V8 | V8 |
| Bore x Stroke | 92.9 mm × 86 mm | 98 mm × 90.5 mm |
| Compression Ratio | 10.7:1 | 10.7:1 |
| Horsepower | ~335 hp | ~382 hp |
| Torque | ~339 lb-ft | ~391 lb-ft |
| Fuel System | Sequential fuel injection | Sequential fuel injection |
| Valvetrain | DOHC with VVT | DOHC with VVT |
What Cars Have the Mercedes M273 Engine?
The M273 powered most Mercedes-Benz’s flagship vehicles from mid-2000s to early 2010s. Here is the list of common cars that have this engine: Mercedes M273 Engine For Sale
- Mercedes-Benz E-Class
- E500 (W211)
- E550 (W211, W212)
- Mercedes-Benz S-Class
- S500 / S550 (W221)
- Mercedes-Benz CLS-Class
- CLS550 (W219)
- Mercedes-Benz GL-Class
- GL450 / GL550 (X164)
- Mercedes-Benz ML-Class
- ML450 / ML550 (W164)
- Mercedes-Benz R-Class
- R500 / R550 (W251)
If you own one of these models and are experiencing problems with the engine, our M273 engine replacements are available and ready for installation.
Typical Mercedes M273 Engine Problems
Even though the M273 is a robust V8, it is not problem-free—especially as mileage accumulates. Being aware of the typical issues helps buyers decide between a rebuilt or used engine.
Identified Issues:
- Timing Chain Tensioner Failure: Leads to inefficient engine timing and operation.
- Balance Shaft Gear Wear: Wears out engine balance and triggers warning lights.
- Intake Manifold Runner Problems: Has an impact on fuel economy and throttle tip-in.
- Oil Leaks: Valve cover gaskets and front timing covers are the prime locations of leaks.
When you purchase a rebuilt M273 engine, all these wear components are new, so it is a wiser long-term choice if your budget will allow it.
Used vs. Rebuilt M273 Engine: What Should You Purchase?
Used M273 Engines
✅ More affordable upfront
✅ OEM parts throughout
❌ Higher mileage
❌ May require additional work or maintenance
Rebuilt M273 Engines
✅ Refreshed with new seals, gaskets, and timing components
✅ Lower risk of failure
✅ Often comes with better warranty
❌ Higher upfront cost
We sell both used and rebuilt Mercedes M273 engines, so whether you’re budget-conscious or want like-new performance, we’ve got an engine to fit your needs.
Why Buy Your M273 Engine From Us?
We’re not a typical dealer—we’re a reputable engine seller with some years of experience selling replacement Mercedes engines.
Here’s what sets us apart:
📦 Engine Tested & Inspected: Each engine is compression tested and inspected prior to shipping.
🚚 Fast, Nationwide Shipping: We ship throughout the U.S. with optional express freight.
🛠️ Installation Support Available: Stuck on installation? We can offer certified shop recommendations.
🔁 Exchange/Return Options: Exchange core units for credit and assist in reducing waste.
💰 Competitive Pricing: Purchase dealer-level engines at a fraction of the dealer markup.
How to Obtain Your Mercedes M273 Engine
It is easy to order your M273 engine. We have made obtaining your engine hassle-free and convenient.
1. Select Your Engine
Select from:
- Used M273 engine
- Rebuilt M273 engine
- M273 long block or full engine
2. Verify Vehicle Compatibility
Provide us with your VIN or your specific year, make, and model so we can cross-reference the proper engine variant.
3. Place Your Order
The rest is our responsibility—billing, shipping, and anything you have concerns about during the process.
Frequently Asked Questions (FAQs)
Do your M273 engines carry a warranty?
Yes. Reconditioned engines have a 30 to 90-day warranty. Rebuilt engines are permitted up to 12 months limited warranty based on the build.
Do you ship M273 engines abroad?
We now ship in the U.S. but can arrange international freight shipping as a special request.
Can I do it myself?
If you have experience with engines and mechanics, it could be doable. Professional installation is always the best to guarantee warranty and performance.
Are refurbished engines equipped with devices like A/C compressors and alternators?
Used engines may come with accessories, but are not covered by warranty. Rebuilt long blocks usually do not come with accessories. Ask for information.
Order a Quote on Your Mercedes M273 Engine Today
If you’re ready to revive your Mercedes, don’t wait. A bad engine can put your car out of commission and cost you even more down the road. We can assist you with:
✅ Complete engine specifications
✅ VIN matching
✅ Honest pricing
✅ Expert assistance
Click below to request a quote, or give us a call to speak with one of our engine experts.
Contact Us for Mercedes M273 Engine Sales
Phone: [Insert phone number]
Email: [Insert email]
Hours: Mon–Fri, 9am–6pm (EST)
We’ll get you set up with the ideal M273 engine replacement. Our inventory’s in high demand—call today to lock in your price and availability.
Final Thoughts
The Mercedes M273 V8 is still a solid, durable option for luxury car owners requiring solid, smooth performance. Whether reviving an old S550 or ensuring your E-Class accrues another mile, a superior used or rebuilt engine from us is the best deal.
Are you in search of a Mercedes M273 engine for sale? Look no further. With quality-checked products, top-notch service, and the best prices—what more could you ask for?
Ready to order? Dial us today and get your Mercedes running again with a powerful M273 engine today.
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