2008 Mercedes-Benz CLK-Class

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Key Specs

of the 2008 Mercedes‑Benz CLK‑Class. Base trim shown.

Our Take

From the Cars.com Vehicle Test Team

The Good

  • Performance of V-8 models
  • Handling
  • Ride comfort
  • Solid, tight construction

The Bad

  • Rear visibility in convertible
  • Small tachometer
  • Backseat space
  • Operation of optional navigation system
  • V-8 fuel economy

Notable Features of the 2008 Mercedes-Benz CLK-Class

  • Cabriolet and coupe body styles
  • V-6 or V-8
  • Seven-speed automatic
  • High-performance CLK63 AMG Black Series coupe
  • Appearance package for CLK350

2008 Mercedes-Benz CLK-Class Overview

By Cars.com Editors
Vehicle Overview
Since 2004, the CLK-Class coupe has been tweaked, stiffened and beefed up. The car is sold as a convertible (Cabriolet), or as a coupe. Over the years, the B-pillars have been removed and an automatic soft-top, seven-speed automatic transmission and sensor-controlled roll bars disguised as head restraints have been added.

Last year, the high-performance CLK63 AMG version was only available as a convertible, but for 2008 a CLK63 AMG coupe called the Black Series is also available. The 2008 CLK350 now has a sport suspension and 18-inch wheels as standard equipment. The CLK550 is unchanged.


Exterior
Rear windows in the pillar-less coupe retract fully to create an open, airy feeling. Mercedes-Benz's three-pointed star sits at the center of a low, wide grille. Twin ellipses form a single headlight unit on each side of the grille. The CLK63 AMG features a front air dam and side skirts among other exterior tweaks that set it apart from the standard CLK.

Elegance is the CLK350's front-end theme, while sportiness takes precedence in the CLK550. The CLK63 AMG has a hunkered-down stance with bulging fenders, taking inspiration from Mercedes-Benz's race cars. For 2008, the CLK350 has 18-inch wheels as standard equipment.


Interior
Each model holds four occupants on leather-upholstered seats; the rear seat is split and folds. When front occupants close their doors, an arm extends to deliver the seat belt buckle. Vertical LCD bar graphs are used for fuel and coolan...
Vehicle Overview
Since 2004, the CLK-Class coupe has been tweaked, stiffened and beefed up. The car is sold as a convertible (Cabriolet), or as a coupe. Over the years, the B-pillars have been removed and an automatic soft-top, seven-speed automatic transmission and sensor-controlled roll bars disguised as head restraints have been added.

Last year, the high-performance CLK63 AMG version was only available as a convertible, but for 2008 a CLK63 AMG coupe called the Black Series is also available. The 2008 CLK350 now has a sport suspension and 18-inch wheels as standard equipment. The CLK550 is unchanged.


Exterior
Rear windows in the pillar-less coupe retract fully to create an open, airy feeling. Mercedes-Benz's three-pointed star sits at the center of a low, wide grille. Twin ellipses form a single headlight unit on each side of the grille. The CLK63 AMG features a front air dam and side skirts among other exterior tweaks that set it apart from the standard CLK.

Elegance is the CLK350's front-end theme, while sportiness takes precedence in the CLK550. The CLK63 AMG has a hunkered-down stance with bulging fenders, taking inspiration from Mercedes-Benz's race cars. For 2008, the CLK350 has 18-inch wheels as standard equipment.


Interior
Each model holds four occupants on leather-upholstered seats; the rear seat is split and folds. When front occupants close their doors, an arm extends to deliver the seat belt buckle. Vertical LCD bar graphs are used for fuel and coolant-temperature gauges.

Standard equipment includes a Tele Aid emergency assistance system, automatic dual-zone air conditioning with a sun sensor, 10-way power front seats and rain-sensing wipers. A Harman Kardon LOGIC7 system offers seven-channel digital surround sound.

Mercedes' Keyless Go system unlocks and starts the car via buttons on the door handles and gearshift knob, respectively. Additional options include bi-xenon headlights, a navigation system and a Parktronic system that detects obstacles to the rear. There's also an electronic truck closer that lets you close the trunk with a button inside the cabin or on the trunk itself.


Under the Hood
A 268-horsepower, 3.5-liter V-6 goes into the CLK350 coupe and Cabriolet, while a 382-hp, 5.5-liter V-8 powers CLK550 models. The CLK63 AMG Cabriolet holds a 475-hp V-8 that makes 465 pounds-feet of torque. The CLK63 Black Series coupe makes 500 hp, and Mercedes-Benz estimates its zero to 60 mph time at 4.1 seconds. All models use a seven-speed automatic transmission. Touch Shift permits manually selected gear changes.

Safety
CLK-Class models have four side-impact airbags. The front-seat side-impact airbags in Cabriolets provide head and thorax protection. Coupes have full-length side curtain airbags. Antilock brakes and an electronic stability system are standard.


2008 CLK-Class Video

Watch MotorWeek on PBS. Check MotorWeek.org for times and channels.

Consumer Reviews

Exterior Styling
(4.8)
Performance
(4.8)
Interior Design
(4.7)
Comfort
(4.7)
Reliability
(4.7)
Value For The Money
(4.6)

What Drivers Are Saying

(5.0)

Best value for a high-end sport luxury car

by Steve the Greek from Florida on July 25, 2018

Bought the car at the end of 2008 as certified pre-used from MB. Car had 7500 miles with 4 years remaining on the warranty. Car handles beautifully. The 350 six engine feels like a powerful V8. ... Read full review

(5.0)

Mercedes CLK 350 Cool and Smooth

by dalle1210 from Chesapeake, VA on June 7, 2018

Great fun to drive! Cool in more ways than one. Smooth as silk. Dependable and reliable! Driven in a "no salt" zone. Roomy front seat. Room to sit comfortably in rear. Read full review

Safety & Recalls

Recalls

The 2008 Mercedes-Benz CLK-Class currently has 0 recalls

Crash and Rollover Test Ratings

The 2008 Mercedes-Benz CLK-Class has not been tested.

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Cars.com Car Seat Check

Certified child passenger safety technicians conduct hands-on tests of a car’s Latch system and check the vehicle’s ability to accommodate different types of car seats. The CLK-Class received the following grades on a scale of A-F.*
* This score may not apply to all trims, especially for vehicles with multiple body styles that affect the space and design of the seating.

Warranty FAQs

What is a Bumper-to-Bumper warranty?

Often called a basic warranty or new-vehicle warranty, a bumper-to-bumper policy covers components like air conditioning, audio systems, vehicle sensors, fuel systems and major electrical components. Most policies exclude regular maintenance like fluid top offs and oil changes, but a few brands have separate free-maintenance provisions, and those that do offer them is slowly rising. Bumper-to-bumper warranties typically expire faster than powertrain warranties.

What is a Powertrain warranty?

Don't be misled a 10-year or 100,000-mile powertrain warranty doesn't promise a decade of free repairs for your car. It typically covers just the engine and transmission, along with any other moving parts that lead to the wheels, like the driveshaft and constant velocity joints. Some automakers also bundle seat belts and airbags into their powertrain warranties. With a few exceptions, powertrain warranties don't cover regular maintenance like engine tuneups and tire rotations.

What is included in Roadside Assistance?

Some automakers include roadside assistance with their bumper-to-bumper or powertrain warranties, while others have separate policies. These programs cover anything from flat-tire changes and locksmith services to jump-starts and towing. Few reimburse incidental costs like motel rooms (if you have to wait for repairs).

What other services could be included in a warranty?

Some automakers include free scheduled maintenance for items such as oil changes, air filters and tire rotations. Some include consumables including brake pads and windshield wipers; others do not. They are typically for the first couple of years of ownership of a new car.

What does CPO mean?

A certified pre-owned or CPO car has been inspected to meet minimum quality standards and typically includes some type of warranty. While dealers and third parties certify cars, the gold standard is an automaker-certified vehicle that provides a factory-backed warranty, often extending the original coverage. Vehicles must be in excellent condition and have low miles and wear to be certified, which is why off-lease vehicles feed many CPO programs.

See also the latest CPO incentives by automaker