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2006 Mercedes-Benz CLK-Class Overview, Reviews, Ratings & Specs

Rating: 4.80
Based on 29 Owner Reviews ▶
Jovan | March 31, 2025
The 2006 Mercedes-Benz CLK-Class is a luxury coupe and convertible that offers a blend of sporty styling and refined comfort. Part of the second generation (W209), it was produced from 2002 to 2009. Key trims included the CLK320 (later CLK350), CLK500, and the high-performance CLK55 AMG. Original pricing ranged from approximately $45,000 to over $70,000 for the AMG version. Its pillarless design and Mercedes-Benz prestige contributed to its popularity.
The Good

The 2006 CLK-Class offers a compelling blend of performance and comfort. Emotionally, its sleek design and prestigious badge appeal. Practically, it provides a comfortable ride, a well-appointed interior, and decent reliability (depending on maintenance). The V8 models deliver strong performance, while the V6 engines offer a reasonable balance of power and fuel efficiency.

The Bad

Potential weaknesses of the 2006 CLK-Class include electrical issues, particularly with the electronics and sensors. Suspension components, such as ball joints and control arm bushings, can wear out. Oil leaks are also a common concern, especially in higher-mileage examples. Regular maintenance is crucial to avoid costly repairs.

2006 Mercedes-Benz CLK-Class: Quick Overview

  • Engine Options:
    • CLK350: 3.5L V6
    • CLK500: 5.0L V8
    • CLK55 AMG: 5.4L V8
  • Horsepower:
    • CLK350: 268 hp
    • CLK500: 302 hp
    • CLK55 AMG: 362 hp
  • Fuel Economy (estimated):
    • CLK350: 17-19 mpg city / 24-27 mpg highway
    • CLK500: 16-17 mpg city / 23-25 mpg highway
    • CLK55 AMG: 14 mpg city / 21 mpg highway
  • 0-60 Times (estimated):
    • CLK350: 6.1 - 6.3 seconds
    • CLK500: 5.2 - 5.4 seconds
    • CLK55 AMG: 4.9 - 5.1 seconds
  • Towing Capacity: The CLK-Class is not designed for towing. Towing capacity is not officially rated.
  • Trim Level Features:
    • CLK350: Leather upholstery, power-adjustable front seats, dual-zone automatic climate control, premium sound system, sunroof, alloy wheels.
    • CLK500: Adds features like premium leather, upgraded sound system, and potentially sport-tuned suspension (depending on options packages).
    • CLK55 AMG: AMG-specific styling, high-performance engine and brakes, sport suspension, upgraded interior trim, and exclusive wheels.

2006 Mercedes-Benz CLK-Class Specifications

Vehicle Information
Year 2006
Make Mercedes-Benz
Model CLK-Class
Trim -
Style 2-Door Coupe 3.5-Liter
Type Coupe
Category Subcompact Car
Manufacturing Details
Made In Germany
Manufacturing City JUIZ DE FORA
Dimensions
Doors 2-Door
Curb Weight 1744.06 kg
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating 4
Engine & Performance
Engine 3.5 6
Engine Size 3.5L
Engine Cylinders 6
Transmission -
Transmission Type Automatic
Transmission Speeds -
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) $53,700 USD
Invoice Price $49,941 USD
Delivery Charges $775 USD

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What Problems Does the 2006 Mercedes-Benz CLK-Class Have?

The 2006 Mercedes-Benz CLK-Class, like other vehicles of its era, has some frequently reported problems. Electrical issues are common, ranging from malfunctioning sensors (e.g., oxygen sensors, mass airflow sensors) to problems with the COMAND system (navigation/audio). Suspension components, particularly the ball joints, control arm bushings, and sway bar links, tend to wear out, leading to clunking noises and degraded handling. Oil leaks, especially around the valve covers and oil cooler lines, are also frequently reported. Certain model years (including 2006) have been subject to recalls, typically related to fuel system components or electrical wiring. Long-term reliability can be a concern if maintenance is neglected. Regular servicing, including fluid changes and inspections, is crucial. Specifically, transmission issues can arise if the fluid isn't changed regularly. The convertible top mechanism (if applicable) can also experience problems over time, requiring costly repairs. Rust can also be a factor in areas with harsh winters or coastal environments.

How long will the 2006 Mercedes-Benz CLK-Class last?

With proper maintenance, a 2006 Mercedes-Benz CLK-Class can realistically provide 150,000 to 200,000 miles of service or more. Many owners report 15 to 20 years of use with regular upkeep. However, long-term durability depends heavily on maintenance habits. Neglecting scheduled services like oil changes and transmission fluid flushes will significantly shorten its lifespan. Weaknesses over time include the aforementioned electrical issues, suspension wear, and potential for oil leaks. The convertible top mechanism on the convertible models is another area that may require attention as the car ages. Rust prevention is important in certain climates.

What Technology & Safety Features are Included?

The 2006 CLK-Class came equipped with a decent array of technology for its time. Standard features included a premium sound system, dual-zone automatic climate control, and power-adjustable seats. The COMAND system, which integrated navigation, audio, and other vehicle functions, was available as an option. Driver-assistance features were relatively limited compared to modern cars, but included anti-lock brakes (ABS), electronic stability control (ESP), and traction control. Safety features included front and side airbags. Optional features included parking sensors and a voice control system.

The NHTSA (National Highway Traffic Safety Administration) crash-test ratings for the 2006 CLK-Class are generally good. The IIHS (Insurance Institute for Highway Safety) also conducted tests, and results varied depending on the specific test and model year, but overall the CLK-Class provided reasonable occupant protection for its era. Keep in mind that safety technology has advanced considerably since 2006, so a newer vehicle will likely offer superior crash protection. The sound system often included a CD player and optional CD changer. Bluetooth connectivity was optional. The navigation system was CD-based and less sophisticated than modern GPS systems. The instrumentation included analog gauges with a central information display.

What Colors Options are Available?

Exterior Colors
Black
Arctic White
Brilliant Silver Metallic
Obsidian Black Metallic
Mars Red
Tealite Blue Metallic
Pewter Metallic
Desert Silver Metallic
Flint Grey Metallic
Interior Colors
Alpaca Grey
Black
Ash
Quartz

2006 Mercedes-Benz CLK-Class Prices and Market Value

When new, the 2006 Mercedes-Benz CLK-Class ranged from approximately $45,000 for the CLK350 to over $70,000 for the CLK55 AMG. Current used market prices typically range from $5,000 to $15,000, depending on condition, mileage, and trim level. Depreciation has been significant, as is typical for luxury vehicles. Factors affecting resale value include the car's condition, maintenance history, mileage, and whether it's a desirable trim level (e.g., AMG models command a premium). Convertibles generally hold their value slightly better than coupes. Low mileage and a clean Carfax report are also beneficial.

2006 Mercedes-Benz CLK-Class Cost of Ownership

The 2006 CLK-Class is generally not economical to own. Insurance costs can be higher than average due to its luxury status and potential repair costs. Fuel consumption, especially with the V8 engines, is considerable. Maintenance and repair costs can be significant, particularly for specialized parts and labor. Common repairs like suspension work and electrical issues can be expensive. Long-term ownership requires a dedicated budget for maintenance to avoid major problems. While not the most costly luxury car, it's still more expensive to own than a non-luxury vehicle.

2006 Mercedes-Benz CLK-Class Fuel Efficiency

Fuel Type Gasoline (Required)
Fuel Capacity 62.08 liters
City Mileage 6.8 km/l
Highway Mileage 10.2 km/l

2006 Mercedes-Benz CLK-Class Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Rear Crash Protection/Head Restraint Ratings Not Tested
Moderate Overlap Front Test Results Not Tested
Side Impact Test Results Not Tested

2006 Mercedes-Benz CLK-Class Insurance

Insurance for a 2006 Mercedes-Benz CLK-Class is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.

How Does the 2006 Mercedes-Benz CLK-Class Compare to Other Coupe?

The 2006 CLK-Class competed with vehicles like the BMW 3 Series Coupe/Convertible (E46 generation), Audi A4 Cabriolet, and Lexus SC430. In terms of performance, the CLK55 AMG offered competitive power, but the BMW 3 Series often provided sharper handling. Features were generally comparable across the segment, though the specific options varied. Reliability is a key consideration; the Lexus SC430 is generally considered more reliable than the CLK-Class. The BMW 3 Series also has a strong reputation for reliability, but can be costly to maintain.

In terms of price, the CLK-Class falls in the middle of the pack in the used market currently. Alternatives to the 2006 CLK-Class would include a newer BMW 3 Series Coupe/Convertible (E92/E93 generation) for improved technology and handling, or a Lexus SC430 for greater long-term reliability, sacrificing some of the sporty character. The Infiniti G35 coupe is another option, offering good performance at a lower price point, however it lacks the prestige of the Mercedes. Ultimately, the best choice depends on individual priorities: performance, reliability, features, or budget.

Ranks #148 Coupe

1 2023 Toyota GR Supra (0.0★)
2 2023 Lexus RC F (0.0★)
3 2011 Honda CR-Z (5.0★)
4 2023 Subaru BRZ (5.0★)
5 2011 Mazda RX-8 (4.0★)
6 2024 BMW 4 Series (0.0★)
7 2022 Mercedes-Benz C-Class (5.0★)
8 2014 Ford Mustang (5.0★)
9 2023 Audi A5 Cabriolet (0.0★)
10 2023 Nissan GT-R (0.0★)
11 2015 Hyundai Veloster (0.0★)
12 2008 Chevrolet Corvette (5.0★)
148 2006 Mercedes-Benz CLK-Class (5.0★)

Final Verdict: Is the 2006 Mercedes-Benz CLK-Class a Good Coupe?

The 2006 Mercedes-Benz CLK-Class is ideal for someone who appreciates classic Mercedes-Benz styling and wants a luxurious coupe or convertible without a huge price tag. It's worth buying *used* if you're willing to accept potential maintenance costs and prioritize style and comfort over ultimate reliability. A well-maintained CLK350 can offer a good balance of performance and fuel economy. The CLK500 provides more power but at the expense of fuel efficiency. The CLK55 AMG is for enthusiasts who prioritize performance above all else. Thorough inspection and a comprehensive pre-purchase inspection are essential to avoid costly surprises. Be prepared for higher insurance and maintenance costs than a comparable non-luxury vehicle.

2006 Mercedes-Benz CLK-Class Owner Reviews

4.80
Consumer Rating, Based on 29 Consumer Reviews
Overall rating
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DRE on April 21, 2019

A very reliable car

For a V6 this gets amazing highway gas mileage. I’ve driven from Northern California to Long Beach on a single tank. Has some power too, enough to have some fun with. I really enjoyed my CLK.

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Lumark630 on April 21, 2019

This car rocks, especially with the top down.

Great extra car. Probably not your all purpose vehicle. Interior is great. Doesn’t have some modern technology, you might take for granted. Fit and finish are excellent.

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Smooth driver on October 29, 2018

Sporty and fun to drive

This is such a awesome car sporty unique smoth driveing eye catcher great sound and the heated seats warm up fast nice on cold ir chilly days the blck on black is such a classy look thank you mercades

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Lisa@DC on August 16, 2018

I Love This Car!!

Wonderful car ~ sporty and reliable! Incredibly comfortable to drive, and there's nothing like having the top down driving around the DMV! Incredible responsiveness along with the silky-smooth drive Mercedes offers!

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Spearing ahead with the CLK350 on July 11, 2018

Spearing ahead with the CLK350

I have the convertible I purchased for my girlfriend She loves it. It is quick a nice looker. The top is a bit worn. Over all a good value.

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Amy on June 8, 2018

Fantastic ride.

Excellent ride but a bit of maintenance is required. It is not a Toyota, maintenance free. It requires some maintenance and caring. However the ride and pick up is awesome. Maneuverability is great also.

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Buster on June 2, 2018

Diving this defines fun!

Well engineered and it shows in performance. Compfy and very fun to drive. They thought of everything in this. I always feel very safe in this coupe.

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fungirl17 on March 29, 2018

FUN RELIABLE CONVERTIBLE

LOVE IT!! Easy to find parking. Maintained well, always in the garage. Its the perfect weekend car and comfortable for long drives. I take it to work and compliments on it all the time.

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JM on November 30, 2017

Great looking car

This car gets me to and from work in style. It has great dependability ratings and runs like a dream evern at 120k mi. Very satisfied.

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OstinPowers on September 4, 2017

Comfort & Reliability

I owned the car for a bit more than 2 years. The car showed itself as reliable and very comfortable vehicle.

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.