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2008
Mercedes-Benz SLK-Class

Starts at:
$44,150
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Available trims

See the differences side-by-side to compare trims.
  • 2dr Roadster 3.0L
    Starts at
    $44,150
    18 City / 24 Hwy
    MPG
    2
    Seat capacity
    Gas V6
    Engine
    Rear Wheel Drive
    Drivetrain
    See all specs
  • 2dr Roadster 3.5L
    Starts at
    $49,450
    17 City / 23 Hwy
    MPG
    2
    Seat capacity
    Gas V6
    Engine
    Rear Wheel Drive
    Drivetrain
    See all specs
  • 2dr Roadster 5.5L AMG
    Starts at
    $63,200
    14 City / 20 Hwy
    MPG
    2
    Seat capacity
    Gas V8
    Engine
    Rear Wheel Drive
    Drivetrain
    See all specs

Photo & video gallery

2008 Mercedes-Benz SLK-Class 2008 Mercedes-Benz SLK-Class 2008 Mercedes-Benz SLK-Class

Notable features

Manual or automatic
Retractable metal roof
Available lowered sport suspension
AMG appearance package
Anniversary Edition 10 package

The good & the bad

The good

Performance of SLK350
Handling of SLK350
Reasonably comfortable ride
Retractable-top operation
Passenger space and comfort

The bad

Automatic-transmission operation
Difficult to park
Control layout, especially cruise lever
Two-passenger limit
Modest cargo space

Expert 2008 Mercedes-Benz SLK-Class review

our expert's take
Our expert's take
By Cars.com editors
Full article
our expert's take

Vehicle Overview
Mercedes-Benz redesigned its smallest sports car for 2005, giving the retractable-hardtop SLK-Class roadster a 3.5-liter V-6. For 2008, an anniversary edition called Edition 10 is available and marks 10 years on the road for the SLK.

Formula One racing cars and the automaker’s SLR McLaren supercar inspired the styling on the SLK-Class. It’s offered in SLK280, SLK350 and SLK55 AMG variants, and they carry on relatively unchanged for 2008. The SLK competes with the BMW M6 and Cadillac CTS-V.

The Edition 10 package, available on the SLK350, includes a standard automatic transmission, 17-inch wheels and red-stitched interior.

The SLK350 holds a 268-horsepower, 3.5-liter V-6 that drives a six-speed manual gearbox or an optional seven-speed automatic transmission with Touch Shift operation. This engine benefits from variable valve timing on both the intake and exhaust valves.

An SLK280 version with a 228-hp, 3.0-liter V-6 and either the six-speed manual or seven-speed automatic debuted in the 2006 model year. Mercedes-Benz also offers an SLK55 AMG edition with V-8 power that turns out 355 hp.

Exterior
The roadster features an arrow-shaped nose and a long hood. The SLK-Class has a steeply sloped windshield and taut body lines, and its retractable hardtop goes up or down in 22 seconds.

A lowered sport suspension is available. Alloy wheels hold 17-inch tires, and the perforated and ventilated 13-inch front disc brakes have four-piston calipers.

There’s also an AMG appearance package that adds 17-inch wheels, side skirts, a front air dam with wire mesh inserts, a trunklid spoiler and a lowered suspension. It’s available on either the SLK280 or SLK350.

Interior
The roadster’s interior features silver-colored switches and trim elements. The sculpted dashboard blends into the door panels on each side. Large chronometer-style gauges dominate the two-passenger cockpit. Trunk space is 6.5 cubic feet with the top down and 9.8 cubic feet with the top up.

For cool-weather driving with the top down, an optional Airscarf neck-level heating system blows warm air from the headrests.

Under the Hood
In the SLK350 model, a 3.5-liter V-6 with variable timing for both intake and exhaust valves develops 268 hp and 258 pounds-feet of torque. The SLK280 roadster contains a 228-hp, 3.0-liter twin-cam V-6. Either the six-speed manual gearbox or the seven-speed automatic with Touch Shift operation can be installed. A 355-hp, 5.5-liter V-8 powers the SLK55 AMG, which comes with the seven-speed automatic.

Safety
Side-impact airbags, all-disc antilock brakes, traction control and an electronic stability system are standard. A BabySmart child-recognition system prevents the front passenger-side airbag from activating.

Driving Impressions
Acceleration is energetic and refined with the 3.5-liter engine. Automatic-transmission operation can be rude. It can get jerky at low speeds in lower gears and delivers a sizable jolt if you hit the gas pedal while slowing down.

Steering and handling are strong points, inspiring confidence and poised behavior. Better yet, the SLK’s ride is easily tolerable for a sports car of this caliber. Sure you feel the bumps, but most are dispensed with rather handily.

The seats are adeptly supportive and snugly bolstered, yet surprisingly comfortable. Space is ample inside, and top-up visibility isn’t bad. When parking, however, the driver may have no clue where the pointy front end is located. Wide doors make parking-lot spots a problem.

2008 Mercedes-Benz SLK-Class review: Our expert's take

Vehicle Overview
Mercedes-Benz redesigned its smallest sports car for 2005, giving the retractable-hardtop SLK-Class roadster a 3.5-liter V-6. For 2008, an anniversary edition called Edition 10 is available and marks 10 years on the road for the SLK.

Formula One racing cars and the automaker’s SLR McLaren supercar inspired the styling on the SLK-Class. It’s offered in SLK280, SLK350 and SLK55 AMG variants, and they carry on relatively unchanged for 2008. The SLK competes with the BMW M6 and Cadillac CTS-V.

The Edition 10 package, available on the SLK350, includes a standard automatic transmission, 17-inch wheels and red-stitched interior.

The SLK350 holds a 268-horsepower, 3.5-liter V-6 that drives a six-speed manual gearbox or an optional seven-speed automatic transmission with Touch Shift operation. This engine benefits from variable valve timing on both the intake and exhaust valves.

An SLK280 version with a 228-hp, 3.0-liter V-6 and either the six-speed manual or seven-speed automatic debuted in the 2006 model year. Mercedes-Benz also offers an SLK55 AMG edition with V-8 power that turns out 355 hp.

Exterior
The roadster features an arrow-shaped nose and a long hood. The SLK-Class has a steeply sloped windshield and taut body lines, and its retractable hardtop goes up or down in 22 seconds.

A lowered sport suspension is available. Alloy wheels hold 17-inch tires, and the perforated and ventilated 13-inch front disc brakes have four-piston calipers.

There’s also an AMG appearance package that adds 17-inch wheels, side skirts, a front air dam with wire mesh inserts, a trunklid spoiler and a lowered suspension. It’s available on either the SLK280 or SLK350.

Interior
The roadster’s interior features silver-colored switches and trim elements. The sculpted dashboard blends into the door panels on each side. Large chronometer-style gauges dominate the two-passenger cockpit. Trunk space is 6.5 cubic feet with the top down and 9.8 cubic feet with the top up.

For cool-weather driving with the top down, an optional Airscarf neck-level heating system blows warm air from the headrests.

Under the Hood
In the SLK350 model, a 3.5-liter V-6 with variable timing for both intake and exhaust valves develops 268 hp and 258 pounds-feet of torque. The SLK280 roadster contains a 228-hp, 3.0-liter twin-cam V-6. Either the six-speed manual gearbox or the seven-speed automatic with Touch Shift operation can be installed. A 355-hp, 5.5-liter V-8 powers the SLK55 AMG, which comes with the seven-speed automatic.

Safety
Side-impact airbags, all-disc antilock brakes, traction control and an electronic stability system are standard. A BabySmart child-recognition system prevents the front passenger-side airbag from activating.

Driving Impressions
Acceleration is energetic and refined with the 3.5-liter engine. Automatic-transmission operation can be rude. It can get jerky at low speeds in lower gears and delivers a sizable jolt if you hit the gas pedal while slowing down.

Steering and handling are strong points, inspiring confidence and poised behavior. Better yet, the SLK’s ride is easily tolerable for a sports car of this caliber. Sure you feel the bumps, but most are dispensed with rather handily.

The seats are adeptly supportive and snugly bolstered, yet surprisingly comfortable. Space is ample inside, and top-up visibility isn’t bad. When parking, however, the driver may have no clue where the pointy front end is located. Wide doors make parking-lot spots a problem.

Available cars near you

Factory warranties

New car program benefits

Basic
4 years / 50,000 miles
Corrosion
4 years / 50,000 miles
Powertrain
4 years / 50,000 miles

Certified Pre-Owned program benefits

Age / mileage
6 years old or less / less than 75,000 miles
Basic
1 year / unlimited miles
Dealer certification
164-point inspection

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Consumer reviews

4.8 / 5
Based on 18 reviews
Write a review
Comfort 4.5
Interior 4.7
Performance 4.9
Value 4.4
Exterior 4.9
Reliability 4.6

Most recent

  • Sporty, chic, and reliable

    This car is surprisingly good on gas and gives a sporty but smooth ride in style. There is no better way to get around in Florida. Put the top down and forget your going to work.
    • Purchased a Used car
    • Used for Commuting
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    6 people out of 6 found this review helpful. Did you?
    Yes No
  • Very cool car to drive

    It is a classy and peppy sport coup. I find, despite its size, there is a lot of headroom. The sound system is not good though and if you want to update it to an aftermarket system good luck: requires a complete rewire.
    • Purchased a Used car
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 3.0
    Exterior 5.0
    4 people out of 5 found this review helpful. Did you?
    Yes No
  • Fantastic roadster

    Great car, very comfortable for a sports car and with plenty of power when you need it! Retractable convertible hard top is smooth, fast and super convenient for the warm weather.
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    4 people out of 4 found this review helpful. Did you?
    Yes No
  • Good as new for half the price!

    I love this car, but I'm just not home to drive it. I don't have to sell, but would like to see it go to a good home. This is your chance to buy a car as good as new for half the price.
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    1 person out of 1 found this review helpful. Did you?
    Yes No
  • Very fun car to drive

    Previously I owned an SL550. When it was totaled out because of an electrical fire in the trunk I decided to look at the SLK model. while it is not the car that my SL was, my SLK 280 serves my needs quite well. It is my fun car. I use it for weekend road trips and just joy rides when the weather is nice. It has a lot of scat and sounds cool when you tromp it. I love the looks of the car and often get complements when I drive it. I am very satisfied with my choice to buy my 2008 SLK 280.
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 4.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 4.0
    1 person out of 1 found this review helpful. Did you?
    Yes No
  • Not for a large family

    Would keep this car forever if I had a place to keep it. It has features found on no other car. For instance, there is a pump to circulate coolant through the heater so you can sit in comfort in 30 degree weather with the motor off for about 40 minutes and not have to run the engine. In addition to heated seats, it blows almost instant warm air on the back of your neck from the headrest. This is a cold weather dream. Hard top is just the push of a lever and the car goes and the up and down in 20 seconds. Only thing lacking is a huge trunk (which would look stupid, of course, on a neat little sports car). Easy to park, easy to drive. Have had it for years. Hating to give it up but planning to go for one vehicle instead of two so we need a little SUV.
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 4.0
    Interior 5.0
    Performance 5.0
    Value 4.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
    Yes No
  • Don't take it to Costco

    Love the car. One of our fave things is the heater will heat the car for about 40 minutes while sitting in a line waiting for a ferry without starting the engine. (a no-no in ferry lines.)
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 4.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
    Yes No
  • owned other slk which I loved..not this one

    very unhappy.. 2008 with 30,000 miles.. squeaks, noises been back 4 times, had one before that I loved
    • Purchased a Used car
    • Used for Commuting
    • Does not recommend this car
    Comfort 2.0
    Interior 3.0
    Performance 4.0
    Value 2.0
    Exterior 4.0
    Reliability 2.0
    2 people out of 2 found this review helpful. Did you?
    Yes No
  • I LOVE IT!

    I love it so much that I want another one! Did I say I want another one? Yes, I did !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 4.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
    Yes No
  • Hardtop with Manual Transmission is the Best

    The hardtop convertible is the way to go when living in Oregon. In just a few seconds the top is up or down. Mercedes manual transmission is smooth and much better than the unintelligent automatic. Also the manual transmission can be easy changed at home in an hour for $20, unlike the automatic that must be taken into the dealer for a $500 flush.
    • Purchased a Used car
    • Used for Commuting
    • Does recommend this car
    Comfort 5.0
    Interior 4.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 4.0
    2 people out of 2 found this review helpful. Did you?
    Yes No
  • glad to be in a two seater

    there is absolutely nothing i can say, except. i drove triumph spitefires in the 70's. grew up and finally was able to drive a sports car again. i picked the perfect car for reliability and just plan enjoyment.
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
    Yes No
  • Excellent Car!

    Awesome power and performance. Electronics could be improved but overall worth it. Love this car. Aesthetics are second to none. German engineering excellence!
    • Purchased a Used car
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
    Yes No

Mercedes-Benz dealers near you

FAQ

What trim levels are available for the 2008 Mercedes-Benz SLK-Class?

The 2008 Mercedes-Benz SLK-Class is available in 3 trim levels:

  • 3.0L (1 style)
  • 3.5L (1 style)
  • 5.5L AMG (1 style)

What is the MPG of the 2008 Mercedes-Benz SLK-Class?

The 2008 Mercedes-Benz SLK-Class offers up to 18 MPG in city driving and 24 MPG on the highway. These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on vehicle options, trim level, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2008 Mercedes-Benz SLK-Class?

The 2008 Mercedes-Benz SLK-Class compares to and/or competes against the following vehicles:

Is the 2008 Mercedes-Benz SLK-Class reliable?

The 2008 Mercedes-Benz SLK-Class has an average reliability rating of 4.6 out of 5 according to cars.com consumers. Find real-world reliability insights within consumer reviews from 2008 Mercedes-Benz SLK-Class owners.

Is the 2008 Mercedes-Benz SLK-Class a good Convertible?

Below are the cars.com consumers ratings for the 2008 Mercedes-Benz SLK-Class. 94.4% of drivers recommend this vehicle.

4.8 / 5
Based on 18 reviews
  • Comfort: 4.5
  • Interior: 4.7
  • Performance: 4.9
  • Value: 4.4
  • Exterior: 4.9
  • Reliability: 4.6

Mercedes-Benz SLK-Class history

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