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Firstusedautoparts.com boasts an extensive inventory of used engines and transmissions available online. Discover top-tier discounted used engines and transmissions, shipped conveniently across the United States.

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Engine For Mercedes 420



Engine For Mercedes 420

Engine For Mercedes 420. Is your Mercedes-Benz 420 showing signs of engine trouble? Whether you drive a 420SEL, 420SEC, or another variant of this iconic 1980s and early 1990s model, replacing the engine with a brand-new unit can be extremely expensive. That’s where First Used Auto Parts steps in.

We specialize in reliable, warrantied used Mercedes 420 engines, delivering premium performance at a price that makes sense. And yes — we ship nationwide, with fast service throughout California, including Los Angeles, San Francisco, Sacramento, and beyond.

Why Choose a Used Mercedes 420 Engine? Engine For Mercedes 420.

💰 Cost-Effective Replacement for a Classic V8The Mercedes 420 models feature the legendary M116 4.2L V8 engine, known for its smooth power and bulletproof reliability. Instead of paying premium prices for a rebuilt or new engine, a quality-tested used M116 engine provides the same authentic Mercedes performance — for far less.

🔧 Built to LastThe M116 engine was engineered with longevity in mind. With proper maintenance, it can easily last well over 250,000 miles. Our used engines are carefully sourced from low-mileage donor vehicles and inspected for compression, leaks, and overall health before being offered for sale.

🛡️ Warranty & SupportEvery used 420 engine we sell comes with a warranty, giving you peace of mind. You’ll also get expert support from our knowledgeable staff — whether you’re doing the swap yourself or working with a shop.

Mercedes 420 Engine Specifications

The Mercedes-Benz 420SEL and 420SEC were produced primarily from 1986 to 1991, as part of the W126 S-Class family.

Engine Details:

  • Engine Code: M116.965

  • Displacement: 4.2L V8

  • Fuel Type: Gasoline

  • Power Output: Approx. 201–221 hp

  • Applications:

    • Mercedes-Benz 420SEL (W126 Long Wheelbase Sedan)

    • Mercedes-Benz 420SEC (W126 Coupe)

    • Some European variants

This engine is a direct fit for most W126 models with the 4.2L badge. Not sure if it fits yours? We can help match your VIN to the right engine.

How to Find the Right Engine for Your Mercedes 420

Step 1: Gather Your Vehicle InfoTo ensure a perfect match, provide your VIN, model year, and, if possible, the engine code. This ensures compatibility with your vehicle’s wiring, mounts, and emissions system.

Step 2: Search Online or Call UsBrowse our inventory of used Mercedes engines online or speak with one of our experienced parts specialists. We’ll help you quickly find the correct M116 engine — no guesswork required.

Step 3: Get a Free QuoteWe’ll provide a competitive, no-obligation quote that includes nationwide shipping and warranty coverage. Whether you're in California or across the country, we’ve got you covered.

Why Choose First Used Auto Parts?

  • ✅ High-Quality Engines – Thoroughly tested and inspected

  • ✅ Warranty Included – Every engine is backed by our guarantee

  • ✅ Fast Nationwide Shipping – From California to all 50 states

  • ✅ Affordable Pricing – Save big compared to buying new

  • ✅ Expert Assistance – We help you find the exact engine you need

Serving California and the Entire U.S.

We’re based in California and serve customers across Los Angeles, San Diego, San Francisco, and beyond. But no matter where you are in the United States, we can ship a reliable used Mercedes 420 engine right to your door. Need help with installation? We can also connect you with experienced mechanics in your area.

Get Your Mercedes 420 Back on the Road

Your Mercedes 420SEL or 420SEC deserves to stay on the road — and First Used Auto Parts makes that possible with high-quality, affordable used engines. Whether you’re restoring a classic or just need a dependable replacement, we’re here to help.

📞 Call to Action:Ready to revive your Mercedes 420? Contact First Used Auto Parts today to get a quote on a top-quality used 4.2L V8 engine, delivered fast and backed by warranty.

 
 
 

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