The 1989 Mercedes-Benz 300 belongs to the renowned W124 E-Class generation, produced from 1984 to 1995. Available primarily as a sedan, coupe, and wagon, key trims included the 300E (sedan) and 300CE (coupe). These vehicles were celebrated for their robust build quality, sophisticated engineering, and understated luxury. Its enduring appeal stems from its reputation for reliability and timeless design, making it a desirable classic.
The Good
The 1989 Mercedes-Benz 300 boasts exceptional reliability, refined comfort, and elegant design. Its smooth performance and durable engineering offer peace of mind for practical buyers, while its classic styling and luxurious feel provide emotional satisfaction.
The Bad
Potential buyers should be aware of common issues such as failing head gaskets, rust especially on wheel arches and door bottoms, and potential electrical gremlins. Aging rubber components and suspension wear are also frequent concerns requiring attention.
1989 Mercedes-Benz 300: Quick Overview
- Engine Options: The primary engine for the 1989 Mercedes-Benz 300 was the M103 inline-six.
- Engine Type: 3.0-liter (2962 cc) naturally aspirated gasoline engine.
- Horsepower: Approximately 177 hp (132 kW) at 5700 rpm.
- Torque: Approximately 186 lb-ft (252 Nm) at 4400 rpm.
- Transmission Options: Typically offered with a 4-speed automatic transmission, with a 5-speed manual available in some markets or specific trims.
- Fuel Economy: EPA estimates for city/highway driving were around 17/21 MPG (approx. 13.8/11.2 L/100km). Real-world mileage can vary significantly based on driving conditions and maintenance.
- 0-60 Times: Around 8.5 to 9.5 seconds for the 300E sedan, depending on transmission and specific conditions.
- Towing Capacity: Not a primary feature, and generally not recommended or officially specified for significant towing.
- Trim-Level Features (e.g., 300E Sedan):
- Power-assisted steering
- Anti-lock Braking System (ABS)
- Power windows and locks
- Air conditioning (automatic climate control often optional or standard on higher trims)
- Sunroof (often optional)
- Leather upholstery (optional or standard on higher trims)
- Cruise control
- Premium sound system (optional)
- Genuine wood interior trim
- Central locking system
- Adjustable steering column
- Front and rear independent suspension
- Body-colored bumpers and side moldings
- Halogen headlights
- Body Styles: Primarily available as a 4-door Sedan (300E) and a 2-door Coupe (300CE). A station wagon variant (300TE) was also part of the W124 range but less common under the '300' badging specifically for 1989.
1989 Mercedes-Benz 300 Specifications
Vehicle Information
| Year | 1989 |
| Make | Mercedes-Benz |
| Model | 300 |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Compact Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | - |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 3.0 L 6-Cyl. |
| Engine Size | 3L |
| Engine Cylinders | 6 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Rear-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 1989 Mercedes-Benz 300 Have?
The 1989 Mercedes-Benz 300, like many cars of its era, has developed a reputation for certain recurring issues. One of the most significant concerns is the potential for head gasket failure. This can manifest as coolant leaks, white smoke from the exhaust, or oil in the coolant. The cost of repairing a blown head gasket on these inline-six engines can be substantial.
Rust is another pervasive problem, particularly in areas with harsh winters or high humidity. Common areas to inspect include the front fenders (especially around the wheel arches), the rocker panels, the bottom edges of the doors, and the rear wheel arches. Surface rust can often be addressed, but significant structural rust can be a deal-breaker.
Electrical issues, while not as widespread as mechanical ones, can also plague these vehicles. This can include malfunctioning power windows, central locking problems, and issues with the instrument cluster. Degraded wiring insulation and failing relays are often the culprits. The climate control system, if equipped, can also develop leaks or have malfunctioning components.
Fuel system components, such as fuel pump relays and fuel injectors, can also wear out over time. The infamous 'PSE pump' failure can affect the central locking and other vacuum-operated systems. Suspension components, including bushings, ball joints, and shocks, will eventually require replacement due to age and mileage, leading to a less composed ride and potential handling issues.
While there were no major widespread recalls specifically targeting the 1989 model year that are commonly cited as significant today, it is always prudent to check for any outstanding recalls via VIN lookup. Long-term reliability is generally excellent if the vehicle has been meticulously maintained, but neglect will exacerbate these common problems. The transmission, typically a 4-speed automatic, is generally robust but can develop issues if fluid changes have been neglected.
Rust is another pervasive problem, particularly in areas with harsh winters or high humidity. Common areas to inspect include the front fenders (especially around the wheel arches), the rocker panels, the bottom edges of the doors, and the rear wheel arches. Surface rust can often be addressed, but significant structural rust can be a deal-breaker.
Electrical issues, while not as widespread as mechanical ones, can also plague these vehicles. This can include malfunctioning power windows, central locking problems, and issues with the instrument cluster. Degraded wiring insulation and failing relays are often the culprits. The climate control system, if equipped, can also develop leaks or have malfunctioning components.
Fuel system components, such as fuel pump relays and fuel injectors, can also wear out over time. The infamous 'PSE pump' failure can affect the central locking and other vacuum-operated systems. Suspension components, including bushings, ball joints, and shocks, will eventually require replacement due to age and mileage, leading to a less composed ride and potential handling issues.
While there were no major widespread recalls specifically targeting the 1989 model year that are commonly cited as significant today, it is always prudent to check for any outstanding recalls via VIN lookup. Long-term reliability is generally excellent if the vehicle has been meticulously maintained, but neglect will exacerbate these common problems. The transmission, typically a 4-speed automatic, is generally robust but can develop issues if fluid changes have been neglected.
How long will the 1989 Mercedes-Benz 300 last?
With proper and consistent maintenance, a 1989 Mercedes-Benz 300 can realistically achieve 200,000 to 300,000 miles, and even exceed that. Many owners report their vehicles reaching well over 300,000 miles with diligent care. The long-term durability of the powertrain and chassis is a hallmark of this era of Mercedes-Benz engineering. However, weaknesses tend to emerge with age and mileage, primarily in the form of aging rubber components (hoses, bushings, mounts), potential head gasket issues, and rust, especially in less-than-ideal climate conditions. Regular fluid changes, addressing minor issues promptly, and proactive rust prevention are key to maximizing its service life.
What Technology & Safety Features are Included?
The 1989 Mercedes-Benz 300, while not a tech marvel by modern standards, offered a commendable suite of features for its time, prioritizing comfort and safety. Standard safety equipment included Anti-lock Braking System (ABS), which was a significant advancement, providing improved control during emergency stops. The robust body structure, a hallmark of Mercedes-Benz, offered substantial occupant protection. Standard passive safety features included three-point seatbelts for all occupants and often height-adjustable front belts.
In terms of driver assistance, the primary feature was the aforementioned ABS. There were no electronic stability or traction control systems available. The steering was power-assisted, making it more manageable, and cruise control was a common feature, aiding in highway driving comfort.
Built-in technology and entertainment were relatively basic by today's standards. A standard AM/FM radio with a cassette player was common, often with a modest number of speakers. Higher trims or optional packages could include a more advanced sound system, sometimes with more speakers and improved fidelity for the era. Air conditioning was standard, and many models featured automatic climate control, a premium feature that maintained a set temperature.
Optional features could elevate the luxury and convenience. These often included a power-operated sunroof, leather upholstery, heated front seats, power-adjustable front seats with memory functions, and a rear headrest system for enhanced rear-seat passenger safety. Some vehicles might have had an exterior temperature gauge.
Crash-test ratings for vehicles from this era are not directly comparable to modern standards due to evolving testing methodologies. However, the W124 E-Class generation was renowned for its exceptionally strong build quality and safety engineering. Mercedes-Benz conducted extensive internal safety testing, and the W124 was considered one of the safest cars of its time, designed with crumple zones and a reinforced passenger cell. Official NHTSA or IIHS ratings from the late 1980s are scarce and would not reflect current safety benchmarks.
In terms of driver assistance, the primary feature was the aforementioned ABS. There were no electronic stability or traction control systems available. The steering was power-assisted, making it more manageable, and cruise control was a common feature, aiding in highway driving comfort.
Built-in technology and entertainment were relatively basic by today's standards. A standard AM/FM radio with a cassette player was common, often with a modest number of speakers. Higher trims or optional packages could include a more advanced sound system, sometimes with more speakers and improved fidelity for the era. Air conditioning was standard, and many models featured automatic climate control, a premium feature that maintained a set temperature.
Optional features could elevate the luxury and convenience. These often included a power-operated sunroof, leather upholstery, heated front seats, power-adjustable front seats with memory functions, and a rear headrest system for enhanced rear-seat passenger safety. Some vehicles might have had an exterior temperature gauge.
Crash-test ratings for vehicles from this era are not directly comparable to modern standards due to evolving testing methodologies. However, the W124 E-Class generation was renowned for its exceptionally strong build quality and safety engineering. Mercedes-Benz conducted extensive internal safety testing, and the W124 was considered one of the safest cars of its time, designed with crumple zones and a reinforced passenger cell. Official NHTSA or IIHS ratings from the late 1980s are scarce and would not reflect current safety benchmarks.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
1989 Mercedes-Benz 300 Prices and Market Value
When new, the 1989 Mercedes-Benz 300E sedan typically had a base price in the range of $35,000 to $40,000 (equivalent to roughly $85,000 to $97,000 today), with coupes and wagons being slightly more. These vehicles experienced significant depreciation in their early years, as is common with luxury cars. However, they have since found a stable point in the used market, appreciated by enthusiasts for their build quality and classic appeal. Current used market prices vary widely based on condition, mileage, maintenance history, and trim, ranging from around $3,000 for project cars to $10,000-$15,000 for excellent, low-mileage examples. Factors affecting resale value include rust presence, documented service records, original paint condition, and overall mechanical soundness.
1989 Mercedes-Benz 300 Cost of Ownership
Owning a 1989 Mercedes-Benz 300 is generally considered moderately costly, especially when compared to modern economy cars. Insurance rates can be reasonable for a classic policy if it's not your daily driver. Fuel economy is about average for its class and era, around 17-21 MPG combined. Maintenance and repair costs are where expenses can escalate. While the car is durable, parts can be expensive, and specialized labor may be required. Finding a well-maintained example is crucial to minimizing unexpected repair bills. Overall, it's not an economical car to own but offers a premium experience for the cost.
1989 Mercedes-Benz 300 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1989 Mercedes-Benz 300 Insurance
Insurance for a 1989 Mercedes-Benz 300 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1989 Mercedes-Benz 300 Compare to Other Sedan?
The 1989 Mercedes-Benz 300 competed in the executive sedan segment against formidable rivals such as the BMW 5 Series (E34 generation), Audi 100/200, and Cadillac DeVille. In terms of performance, the 300E offered a smooth, refined power delivery from its inline-six, generally prioritizing comfort over outright sportiness, unlike some BMW counterparts which offered sharper handling and more aggressive acceleration. The Audi 100/200 offered a potent turbocharged engine option (200) and all-wheel drive, giving it an edge in certain conditions.
Features in the Mercedes were solid for the era, with a focus on build quality and durable materials. While BMW offered more driver-focused ergonomics and often more advanced electronics, the Mercedes leaned into its reputation for safety and understated luxury with features like robust climate control and excellent seat comfort. The Cadillac DeVille, while offering a more plush and spacious interior, often lagged in terms of driving dynamics and build precision compared to its German rivals.
Reliability is where the Mercedes-Benz 300 truly shines, particularly in comparison to some of its contemporaries. The engineering of the W124 platform is legendary for its durability, provided it has been maintained. While both BMW and Audi offered reliable vehicles, Mercedes-Benz often had the edge in long-term chassis integrity and powertrain longevity when properly cared for. The Cadillac, while simpler mechanically in some ways, might not have matched the sophistication or longevity of the German luxury marques.
Price-wise, the Mercedes-Benz 300 was positioned at the premium end of the executive sedan market, often slightly more expensive than comparable BMWs or Audis when new. Cadillac offered a value proposition with more size and features for the money.
Alternatives:
* BMW 5 Series (E34 generation, e.g., 525i, 535i): A strong alternative if you prioritize a more engaging driving experience and sportier handling. Less focused on ultimate long-term durability and more on driver involvement.
* Audi 100/200 (C3 generation): Offers a quieter ride and the advantage of available Quattro all-wheel drive for inclement weather. The 200 model provides potent turbocharged performance.
* Lexus LS 400 (starting 1990): A step up in luxury, refinement, and Japanese reliability, but a bit later in model year. Offers significantly more advanced technology and comfort features.
Features in the Mercedes were solid for the era, with a focus on build quality and durable materials. While BMW offered more driver-focused ergonomics and often more advanced electronics, the Mercedes leaned into its reputation for safety and understated luxury with features like robust climate control and excellent seat comfort. The Cadillac DeVille, while offering a more plush and spacious interior, often lagged in terms of driving dynamics and build precision compared to its German rivals.
Reliability is where the Mercedes-Benz 300 truly shines, particularly in comparison to some of its contemporaries. The engineering of the W124 platform is legendary for its durability, provided it has been maintained. While both BMW and Audi offered reliable vehicles, Mercedes-Benz often had the edge in long-term chassis integrity and powertrain longevity when properly cared for. The Cadillac, while simpler mechanically in some ways, might not have matched the sophistication or longevity of the German luxury marques.
Price-wise, the Mercedes-Benz 300 was positioned at the premium end of the executive sedan market, often slightly more expensive than comparable BMWs or Audis when new. Cadillac offered a value proposition with more size and features for the money.
Alternatives:
* BMW 5 Series (E34 generation, e.g., 525i, 535i): A strong alternative if you prioritize a more engaging driving experience and sportier handling. Less focused on ultimate long-term durability and more on driver involvement.
* Audi 100/200 (C3 generation): Offers a quieter ride and the advantage of available Quattro all-wheel drive for inclement weather. The 200 model provides potent turbocharged performance.
* Lexus LS 400 (starting 1990): A step up in luxury, refinement, and Japanese reliability, but a bit later in model year. Offers significantly more advanced technology and comfort features.
Final Verdict: Is the 1989 Mercedes-Benz 300 a Good Sedan?
The 1989 Mercedes-Benz 300 is an excellent choice for individuals who appreciate timeless design, legendary build quality, and enduring reliability. It's ideal for classic car enthusiasts who value a well-engineered driving experience and are willing to perform or oversee regular maintenance. It's absolutely worth buying, but strictly as a used vehicle. New examples are non-existent. Focus on well-maintained examples, preferably from drier climates, with documented service history. Sedans (300E) offer practicality, while coupes (300CE) provide a sportier aesthetic. Avoid cars with significant rust or a history of neglect, as repairs can be costly. For the right buyer, it's a rewarding ownership experience.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.