2005-2008 Mercedes-Benz SLK-Class: Road Test

Updated: 11/23/08

2005 Mercedes-Benz SLK-Class
2008 Mercedes-Benz SLK-Class
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2005-2008 Mercedes-Benz SLK-Class 

  • Price Range:  $26,500 - $52,200
CG Rating

48

out of 100

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Our road test for the 2005-2008 Mercedes-Benz SLK-Class includes a full evaluation from the inside out. We've evaluated every aspect of the 2005-2008 Mercedes-Benz SLK-Class and highlighted the vehicle's performance with pros and cons. Use our comprehensive road test ratings to decide if this generation 2005-2008 Mercedes-Benz SLK-Class is right for you.

Consumer Guide® Road-Test Evaluation

SLK350s are the only models made available for testing. They have ample power from any speed, and Mercedes-Benz's estimate of 5.5 sec 0-60 mph with either transmission feels right. Both transmissions have smooth shift action, with the manual giving the most sporty feel. A test manual-transmission version averaged 22.7 mpg. We have not had an opportunity to measure with the automatic. All SLKs require premium-grade fuel. SLK rides like the sports car it is. The base suspension feels firm, but not harsh, over expansion joints and patchy pavement. The Sport Package's uprated suspension has great high-speed ride control, but it induces further choppiness on rough roads. At the same time, these convertibles deliver adroit handling response with good balance through turns. The Sport Package sharpens SLK's reflexes further still, but it's not really enough to offset the detriment to ride quality. They're not obnoxiously loud, but exhaust rumble is noticeable at any speed. The tires rumble on coarse surfaces, and wind noise is modest. Interior design is classy as expected from a Mercedes. Materials are of top-shelf quality, and the available wood or aluminum trim further dresses up the cabin. Top operation is a one-button affair, and it takes about 22 sec to raise or lower. A standard tilt/telescope steering wheel is a driver comfort plus, but the seats lack lumbar adjustment. The power hardtop does eat into trunk space. With the top up, there's sufficient space for a long weekend's worth of luggage. Top down, space shrinks to just enough room for a couple small, soft suitcases.
Value for the Money
It may not be the first nameplate mentioned when talk turns to sports cars, but the SLK has enough accessible everyday performance to hold its own in pretty fast company. Of broader appeal is its blend of open-air excitement, hardtop security, solid engineering, and Mercedes prestige.
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Expert Ratings Summary

Category Mercedes-Benz SLK350, automatic Rating
Performance 7
Fuel Economy 5
Ride Quality 4
Steering/Handling/Braking 8
Quietness 4
Controls/Materials 7
Interior Room 5
Room/Comfort (rear) 0
Cargo Capacity 2
Value within Class 6
Total Score: 48

Each vehicle report contains one rating chart for representative model. Consumer Guide® rates in ten key areas: Performance, Fuel Economy, Ride Comfort, Steering and Handling, Interior Noise, Controls and Materials, Driver Room, Passenger Room, Cargo Capacity, and Insurance Costs. These ratings compare the particular vehicle rated to ALL other vehicles, not a vehicle's standing in a particular class. In the ratings table, "1" is the lowest rating and "10" is the highest rating.

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