Mercedes' SLK gets a selection of revisions for 2015 before the full facelift next year
9 April 2015

The Mercedes-Benz SLK will receive new EU6-compliant four-cylinder engines and an optional nine-speed automatic gearbox on selected models as part of a 2015 update. A series of running changes will be made to the two-seat roadster prior to the arrival of a facelifted model carrying the new SLC name in early 2016.

The turbocharged 2.0-litre four-cylinder petrol engine used in the entry level SLK200, the M271, is replaced by a newer unit, the M274.  It delivers the same 181bhp but gains 22lb ft, taking peak torque up to 221lb ft. In combination with the standard six-speed manual gearbox, its 0-62mph sprint time is reduced by 0.4sec to 6.9sec, while combined fule consumption improves by 5.5mpg to 49.6mpg.

Further up the line-up, the SLK250 is replaced by the SLK300. It runs the same M274 designated engine as the SLK200, but in a higher state of tune. Power is up by 41bhp at 242bhp, while torque extends by 45lb ft to 273lb ft. Fitted with Mercedes-Benz’s new nine-speed automatic gearbox as standard, the new SLK300 hits 62mph from standstill in 5.8sec – 0.8sec inside the time of the outgoing SLK250. Claimed fuel consumption of 48.7mpg is a 7.8mpg improvement over that of its predecessor.

On the diesel side, the SLK250 CDI is replaced by the SLK250d. he revised model uses the same turbocharged 2.2-litre four-cylinder diesel engine as before, the OM651, producing 201bhp and 369lb ft. It now comes with urea injection technology for reduced NOx emissions.

Rather than being offered the choice of a standard six-speed manual or optional seven speed automatic gearbox, buyers of the the sole diesel model in the SLK line-up now receive a nine-speed automatic gearbox as standard. The new gearbox helps cut the 0-62mph time by 0.1sec to 6.6se, while contributing to a 5.3mpg improvement in combined fuel consumption at 64.2mpg. 

Other engines in the SLK line-up remain unchanged for now, with the naturally aspirated 3.5-litre V6 petrol unit in the SLK350 continuing to deliver 302bhp and 273lb ft, and the 5.5-litre V8 in the SLK55 AMG offering 415bhp and 396lb ft. Both models continue with a standard seven-speed automatic gearbox. 

The 2015 model year SLK comes with new LED daytime running lights and an updated Command infotainment system. It also offers a broader range of standard and optional safety systems, including Attention Assist, Blind Spot Assist, Distronic Plus with Collisoin Prevention Assist Plus, Lane Keeping Assist and Adaptive Brake Assist.

Get the latest car news, reviews and galleries from Autocar direct to your inbox every week. Enter your email address below:

Our Verdict

Mercedes-Benz SLK

The Mercedes-Benz SLK has the right image, a posh cabin and it's easy to live with

Join the debate

Comments
3

9 April 2015
Damned shame the 6 pot doesnt get the manual option any longer, its a good looking car, and makes the F type look very expensive.

10 April 2015
Not only is it better looking, better handling, more contemporary it just is the better car, perhaps that's why it is more expensive. You can have the F Type with a manual too. Icing on the cake I would say.

 Offence can only be taken not given- so give it back!

10 April 2015
DBtechnician wrote:

better handling, more contemporary it just is the better car, perhaps that's why it is more expensive. You can have the F Type with a manual too. Icing on the cake I would say.

Agreed.

Add your comment

Log in or register to post comments

Find an Autocar car review

Driven this week

  • Lexus LC500
    Car review
    20 October 2017
    Futuristic Lexus LC coupé mixes the latest technology with an old-school atmospheric V8
  • Maserati Levante S GranSport
    First Drive
    20 October 2017
    Get ready to trade in your diesels: Maserati’s luxury SUV finally gets the engine it’s always needed
  • Jaguar XF Sportbrake TDV6
    First Drive
    19 October 2017
    The handsome Jaguar XF Sportbrake exhibits all the hallmarks that makes the saloon great, and with the silky smooth diesel V6 makes it a compelling choice
  • Volkswagen T-Roc TDI
    First Drive
    19 October 2017
    Volkswagen's new compact crossover has the looks, the engineering and the build quality to be a resounding success, but not with this diesel engine
  • BMW M550i
    First Drive
    19 October 2017
    The all-paw M550i is a fast, effortless mile-muncher, but there's a reason why it won't be sold in the UK