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2004 Mercedes-Benz M-Class Overview, Reviews, Ratings & Specs

Rating: 4.33
Based on 22 Owner Reviews â–¶
Simon A | March 31, 2025
The 2004 Mercedes-Benz M-Class is a mid-size luxury SUV representing the second generation (W163) of the M-Class, produced from 1997-2005. Key trims included the ML320, ML350, and ML500. It's a five-door SUV known for its blend of luxury and off-road capability. New pricing in 2004 ranged from approximately $38,000 to $48,000. Its popularity stemmed from its prestigious brand, comfortable ride, and available V8 power, offering a status symbol with practical SUV functionality.
The Good

The 2004 M-Class offers comfortable ride quality and a prestigious badge, appealing to emotional buyers. Practical advantages include available V8 power for towing, decent cargo space, and reasonable reliability for its age. Its robust design and solid feel contribute to a sense of safety and security.

The Bad

Potential weaknesses of the 2004 M-Class include higher maintenance costs compared to non-luxury SUVs. Watch out for potential electrical issues, rust (especially in areas with road salt), and worn suspension components. The fuel economy, particularly with the V8 engine, is not exceptional. Early models of the W163 generation had quality control issues that were mostly addressed by 2004, but careful inspection is still critical.

2004 Mercedes-Benz M-Class: Quick Overview

  • Engine Options:
    • ML320: 3.2L V6
    • ML350: 3.7L V6 (Replaced the ML320 mid-year)
    • ML500: 5.0L V8
  • Horsepower:
    • ML320: 215 hp
    • ML350: 232 hp
    • ML500: 288 hp
  • Fuel Economy (EPA Estimated): (Varies based on driving conditions and engine)
    • ML320/ML350: 16 mpg city / 20 mpg highway (approximate)
    • ML500: 13 mpg city / 17 mpg highway (approximate)
  • 0-60 Times: (Approximate)
    • ML320/ML350: 9.5 - 10 seconds
    • ML500: 7.5 seconds
  • Towing Capacity: Up to 5,000 lbs (when properly equipped)
  • Trim-Level Features:
    • ML320/ML350 (Base): Leatherette upholstery, power front seats, sunroof, dual-zone climate control, cruise control, alloy wheels, premium audio system.
    • ML500: Builds upon ML320/ML350 features, adding leather upholstery, wood trim, upgraded sound system, heated front seats, and sometimes optional navigation system.
    • Common Options Across Trims: Navigation system, premium sound systems (Bose), upgraded leather, heated seats, rear parking sensors, sunroof, and various appearance packages.

2004 Mercedes-Benz M-Class Specifications

Vehicle Information
Year 2004
Make Mercedes-Benz
Model M-Class
Trim -
Style -
Type Wagon
Category Minivan Medium Truck
Manufacturing Details
Made In United States
Manufacturing City VANCE
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 5.0L V8
Engine Size 5L
Engine Cylinders 8
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2004 Mercedes-Benz M-Class Have?

Frequently reported problems for the 2004 Mercedes-Benz M-Class include issues with the electrical system, such as malfunctioning sensors, problematic door lock actuators, and issues with the instrument cluster. Rust can be a concern, particularly in areas that use road salt; inspect the undercarriage and body panels carefully. The air conditioning system is another area prone to problems, including compressor failures and refrigerant leaks. Suspension components, especially the ball joints and bushings, may wear out and require replacement due to the vehicle's age and weight. The transfer case can also be a potential source of issues, leading to costly repairs.

While 2004 was toward the end of the W163 generation, earlier models (1998-2001) had more significant quality control issues than later models. Therefore, it's still essential to have a pre-purchase inspection performed by a qualified mechanic specializing in Mercedes-Benz vehicles. Check for any outstanding recalls related to safety or emissions. Some common recall issues across the W163 generation involved fuel filter issues and potential problems with the braking system. Researching the VIN for any specific recall notices is highly recommended before purchasing.

How long will the 2004 Mercedes-Benz M-Class last?

Given proper maintenance, a 2004 Mercedes-Benz M-Class can easily reach 200,000 miles or more. Expect to see examples with mileage ranging from 150,000 to 250,000+ miles. Regular oil changes, timely replacement of wear-and-tear items (brakes, tires, belts), and addressing issues promptly are crucial for longevity. Long-term durability can be affected by rust, especially in colder climates. Weaknesses over time include potential issues with the transmission, transfer case, and electronic components. Suspension components will also likely need replacement at some point. Proper fluid changes and preventative maintenance are key to maximizing lifespan.
Positive Owner Reviews
po
whare this mercedes and this the mercedes 2004 37k and cadillac and i need this i buyed my car and it was good and horse power 1000
MB fan
This Model Mercedes is still of the "solid" kind, reliable and a beauty at the same time. It will be around for a longe time!
Jason Ye
The Mercedes-Benz M-Class (GLE-Class) is a mid-size luxury SUV produced by the German automaker Mercedes-Benz since 1997. In terms of size, it is slotted in between the smaller GLC-Class (based on the C-Class) and the larger GLS-Class, with which it shares platforms. For a short time, between 1999 and 2002, the M-Class was also built by Magna Steyr in Graz, Austria, for the European market, before all the production moved to the U.S. plant near Vance, Alabama. From late 2012, the M-Class was also assembled at new plants in India and Indonesia.
Negative Owner Reviews
bigchury
catastrofic mpg,loud riding,grabing transmision,at 49000 miles it needed radiator change(over heating)

What Technology & Safety Features are Included?

The 2004 Mercedes-Benz M-Class featured standard safety features like anti-lock brakes (ABS), electronic stability program (ESP), traction control, and front and side airbags. It also included a premium sound system and dual-zone climate control as standard. Tech and entertainment were fairly basic for a luxury SUV of its time.

Optional features included a navigation system (which now appears dated), a premium Bose sound system, heated front seats, and rear parking sensors. Driver-assistance features were limited compared to modern vehicles; there were no blind-spot monitoring or lane-keeping assist systems available. Some models had rain-sensing wipers.

Crash-test ratings from the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) should be consulted for specific details. The 2004 M-Class generally performed well in crash tests for its time. However, safety standards have evolved significantly since 2004, so it's crucial to consider that when comparing it to newer vehicles. Check the IIHS and NHTSA websites for the latest available safety information on this model.

What Colors Options are Available?

Exterior Colors
Black
Arctic White
Brilliant Silver Metallic
Granite Grey Metallic
Aspen Green Metallic
Tanzanite Blue Metallic
Desert Silver Metallic
Malachite Green Metallic
Burgundy Metallic
Tealite Blue Metallic
Quartz Blue Metallic
Interior Colors
Black Leather
Ash Leather
Orion Grey Leather
Sahara Beige Leather

2004 Mercedes-Benz M-Class Prices and Market Value

The 2004 Mercedes-Benz M-Class had a new price range of approximately $38,000 to $48,000, depending on the trim level and options. As of today, used market prices typically range from $3,000 to $8,000, depending on condition, mileage, and location. Depreciation has been significant due to age, mileage, and the emergence of newer, more technologically advanced SUVs. Factors affecting resale value include the vehicle's overall condition (rust-free examples command higher prices), maintenance records, and the presence of desirable options like leather upholstery or a premium sound system. Lower mileage examples in excellent condition will fetch the highest prices within that range.

2004 Mercedes-Benz M-Class Cost of Ownership

The 2004 Mercedes-Benz M-Class can be costly to own. Insurance premiums are moderate but can be higher than non-luxury SUVs. Fuel costs are significant, particularly with the V8 engine. Maintenance and repair costs are higher due to the need for specialized parts and labor. Expect to pay more for servicing compared to a mainstream SUV. Long-term ownership requires diligent maintenance and budgeting for potential repairs, making it less economical than more modern or less luxurious vehicles.

2004 Mercedes-Benz M-Class Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2004 Mercedes-Benz M-Class Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Side Barrier Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2004 Mercedes-Benz M-Class Insurance

Insurance for a 2004 Mercedes-Benz M-Class is moderately priced, reflecting its status as a Wagon with strong safety ratings and
reasonable repair costs.

How Does the 2004 Mercedes-Benz M-Class Compare to Other Wagon?

The 2004 Mercedes-Benz M-Class competed against SUVs like the BMW X5, Lexus RX 330, Acura MDX, and Volvo XC90. In terms of performance, the M-Class offered comparable V8 power to the X5 but lagged behind in handling. The Lexus RX 330 offered superior reliability and a more comfortable ride, but less off-road capability. The Acura MDX provided a more spacious interior and generally better reliability at a similar price point.

In terms of features, the M-Class was competitive, but the RX 330 and MDX often offered more advanced features for the price. Reliability is where the M-Class often falls short compared to the Lexus and Acura. Used prices are similar, but repair costs for the M-Class tend to be higher.

Alternatives to the 2004 M-Class include the Lexus RX 330 for its reliability and comfort, or the Acura MDX for its spaciousness and value. The BMW X5 is a good alternative if handling and performance are priorities, but be prepared for higher maintenance costs. Consider a newer, more reliable SUV if budget allows, as long-term ownership costs could be lower.

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694 2004 Mercedes-Benz M-Class (5.0★)

Final Verdict: Is the 2004 Mercedes-Benz M-Class a Good Wagon?

The 2004 Mercedes-Benz M-Class is ideal for someone seeking an affordable entry into the luxury SUV market, who appreciates the Mercedes-Benz brand, and is willing to accept potentially higher maintenance costs. It's worth buying *used* if you find a well-maintained example with a clean title and service history, preferably a later model year (2003-2005) which are generally considered more reliable than the earlier years. A pre-purchase inspection by a qualified mechanic specializing in Mercedes-Benz vehicles is absolutely essential. The ML350 might be a better compromise between power and fuel economy compared to the ML500. Don't expect modern levels of technology or safety features.

2004 Mercedes-Benz M-Class Owner Reviews

4.33
Consumer Rating, Based on 22 Consumer Reviews
Overall rating
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po on March 10, 2022

2.22222E+49

whare this mercedes and this the mercedes 2004 37k and cadillac and i need this i buyed my car and it was good and horse power 1000

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Ted E. Bare on November 11, 2019

I like !

needs were met for the year. Extremely surprise on the up keep of the vehicle. There is no dents or scratches on exterior. The interior leather was not torn. Great mileage for the year. Rides smooth. Engines in Good condition.

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MB fan on February 27, 2019

One of the most reliableand solid cars ever built

This Model Mercedes is still of the "solid" kind, reliable and a beauty at the same time. It will be around for a longe time!

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Mawerick on November 12, 2018

One of The best cars mare by Mercedes Benz.

The perfect car to get for daily commute. I had 2 of those and always was a pleasure to have it. My family was so happy

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Jason Ye on July 29, 2018

Mercedes-Benz M-Class

The Mercedes-Benz M-Class (GLE-Class) is a mid-size luxury SUV produced by the German automaker Mercedes-Benz since 1997. In terms of size, it is slotted in between the smaller GLC-Class (based on the C-Class) and the larger GLS-Class, with which it shares platforms. For a short time, between 1999 and 2002, the M-Class was also built by Magna Steyr in Graz, Austria, for the European market, before all the production moved to the U.S. plant near Vance, Alabama. From late 2012, the M-Class was also assembled at new plants in India and Indonesia.

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1
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babygirl on November 30, 2017

so far so good

like so many older cars it has a few problems. like the service engine lite came on and even after a through and through check, i cannot find anything wrong

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0

JSC 1 on September 2, 2017

A workhorse!

With normal repairs over 13 years and 126,000 miles, this car paid for itself. We are selling because of the advances in technology over the last 5 years!

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1
0

Ibrahimchiroma on July 23, 2017

The most reliable car I have ever used

The only things about this car you cannot compare with any other car in terms of preformed and durabity

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Philly on March 30, 2015

Great Mercedes Experience

I bought this car about 4 years ago - I drove it from Los Angeles to New York and back, only had to change oil and fuel it up. Never had any major problem (the car is 11 years old now, changed a A/C hose that ruptured and the alternator in 2014). This car has a great performance, people wouldn't think a car this old (and heavy - it's an SUV) would be this responsive when you step on the gas. Incredible storage space - I see newer SUVs owners struggling to fit their big objects in their trunks; on the Mercedes, it fits. For a 2004 vehicle, it has most of the whistles and bells that brand new cars today are still yet to have. Great, reliable and comfortable Mercedes experience!

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JNOISE on April 1, 2012

FIRST TIME BENZ OWNER

I BOUGHT MY BENZ WITH 65000 K OTHER THAN THE RADIO NOT WORKING AS WELL AS THE FOG LAMP....THE ENGINE IS A DELIGHT AS WELL.AS THE TRANNY....the key thing is regular maintenance..if you take of it..it takes care of you....ml 500 has ample.power and torque to.satisfy..yes it drinks gas as a v8 should be the ride is one of a kind..will trade for a later ml 550 down the rode .... 🙂

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.