Low-Mileage M104 3.2 Liter DOHC Engine (69,000 Miles) – Pulled from E320 Cabriolet

Offered here is a 69,000-mile Mercedes-Benz M104 3.2-liter 24-valve inline-six engine, professionally removed from an Mercedes-Benz E320 Cabriolet at Blue Ridge MB in Georgia.

The Mercedes-Benz M104 is widely regarded as one of Mercedes-Benz’s most durable and refined inline-six engines of the 1990s. Known for its smooth power delivery, strong midrange torque, and robust construction, the 3.2L variant represents the most desirable factory configuration.

With only 69,000 original miles, this engine is an excellent candidate for restoration projects, replacements, or performance builds.

Technical Specifications

• 3.2-liter inline-six configuration

• 24-valve DOHC cylinder head

• Sequential fuel injection

• Approx. 217–220 horsepower (factory rating)

• Strong midrange torque delivery

• Naturally aspirated reliability

The M104 3.2 was installed in several premium Mercedes models, including:

• Mercedes-Benz W124 (E320)

• Mercedes-Benz W210 (early E320)

• Mercedes-Benz R129 (SL320)

Condition & Provenance

• 69,000 documented miles

• Pulled from running E320 Cabriolet

• Removed by Blue Ridge MB (Georgia)

• Strong service-friendly platform

• Excellent candidate for long-term reliability

Low-mileage M104 3.2 engines are increasingly difficult to source in clean, unmodified condition.

Perfect For

• W124 E320 restoration

• SL320 engine replacement

• W210 early E320 projects

• 190E 3.2 swaps

• OEM-correct builds

• Reliable daily-driver upgrades

Why the M104 3.2 is Desirable

• Last of the classic Mercedes inline-six engines

• Strong aftermarket support

• Durable iron block construction

• Smooth high-revving character

• Ideal balance of power and longevity

As 1990s Mercedes models gain appreciation, clean low-mileage engines are becoming more valuable and harder to find.