Engineering:Mercedes-Benz SLK-Class (R172)
| Mercedes-Benz R172 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Daimler AG |
| Also called | Mercedes-Benz SLC-Class (facelift) |
| Production | 2011–2020 |
| Assembly | Germany: Bremen (Mercedes-Benz Bremen plant) |
| Designer | Il-hun Yoon (2007, 2008) |
| Body and chassis | |
| Class | Sports car (S) |
| Body style | 2-door retractable hardtop |
| Layout | Front-engine, rear-wheel-drive |
| Platform | W212[1] |
| Related | |
| Powertrain | |
| Engine |
|
| Transmission | 6-speed manual 5-speed 5G-Tronic automatic 7-speed 7G-Tronic automatic 9-speed 9G-Tronic automatic (SLC, Facelift) |
| Dimensions | |
| Wheelbase | 97.8 in (2,484 mm)[5] |
| Length | 162.8 in (4,135 mm) |
| Width | 71.5 in (1,816 mm) |
| Height | 51.2 in (1,300 mm) |
| Chronology | |
| Predecessor | Mercedes-Benz SLK-Class (R171) |
The third generation of Mercedes-Benz SLK-Class (SLC-Class) (series R172) was launched in Stuttgart in January 2011,[6] with a subsequent public launch at the 2011 Geneva Motor Show,[7] with international sales starting spring 2011. It is the successor of R171 series of roadsters which was originally launched in 2004. The SLC was discontinued after the 2020 model year.
Initial release
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The design follows the themes of both the first and second generations, but incorporating radiator air intake design from the 190 SL roadster from the 1950s, and front end inspired by Mercedes-Benz SLS AMG Coupé and Mercedes-Benz CLS-Class (W218).[8]
"Edition 1" model includes special paint finish SHAPE in glacier grey, panoramic vario-roof, Dynamic Handling package, AMG bodystyling, two-tone designo nappa leather with contrasting topstitching, AIRSCARF, ambient lighting and more.
Orders began in from 17 January 2011, and arrived to dealer showrooms on 26 March 2011. Early models include SLK 200 BlueEFFICIENCY, SLK 250 BlueEFFICIENCY, SLK 350 BlueEFFICIENCY.[9] US models went on sale in 2011 as 2012 model year vehicles.
For 2014 model year, minor changes were made to standard equipment, and AMG Sports package renamed to AMG Line.
Roadster Pure (2011-2020)
It is a version of SLK 200 BlueEFFICIENCY with 7-speed automatic transmission, panoramic vario-roof, and the multimedia system COMAND Online. 18-inch light-alloy wheels in 5-twin-spoke design, lowered sports suspension by 10 mm (0.4 in), LED daytime running lights, metallic paint and leather heated seats.
SLK 250 CDI (2011-2020)
It is the first version of SLK-class vehicle with diesel engine. Ordering of SLK 250 CDI began on 13 September 2011. Early models include 7G-TRONIC PLUS automatic transmission, followed by six-speed manual transmission models in the second quarter of 2012. A BlueEFFICIENCY version of the SLK 250 CDI with 6-speed manual transmission was added to the range in the spring of 2012.[10] SLK 250 CDI BlueEFFICIENCY with 7-speed automatic transmission is sold in Germany and the UK.The dimensions of the car is : Length: 4,134 mm (163 in), Width: 1,817 mm (72 in), Height: 1,303 mm (51 in), Wheelbase: 2,430 mm (96 in).
SLK 55 AMG (2012-2015)
The SLK 55 AMG was unveiled at the 2011 Frankfurt Motor Show,[11] and went on sale in January 2012.[12][13]
It is powered by the M152 engine, rated at 422 PS (310 kW; 416 hp) at 6,800 rpm and 540 N⋅m (398 lb⋅ft) at 4,500 rpm, and equipped with AMG cylinder management, start/stop function, sports exhaust system with integrated exhaust flaps, AMG SPEEDSHIFT PLUS 7G-TRONIC automatic transmission, AMG sports suspension with torque vectoring brakes and AMG direct-steer system, 3-stage ESP, ventilated and perforated brake discs on all wheels with 360 x 36 mm front and 330 x 22 mm rear brake discs.
Equipment
The third generation continues with the two-piece metal folding roof known as a Vario Roof, which includes a choice of a roof painted in the vehicle colour, a panoramic vario-roof with dark-tinted windows, or the panoramic vario-roof with MAGIC SKY CONTROL, which contains glass roof that can be switched to light or dark.
Engines
| Model | Years | Type | Power at rpm | Torque at rpm |
|---|---|---|---|---|
| SLK 200 BlueEFFICIENCY | 2011-2015 | 1,796 cc (110 cu in) I4 turbo (M271 DE 18 LA) | 184 PS (135 kW; 181 hp) at 5,250 | 250 N⋅m (184 lb⋅ft) at 1,800-4,600 |
| SLC 200 | 2015-2020 | 1,991 cc (121 cu in) I4 turbo (M274 DE 20 LA) | 184 PS (135 kW; 181 hp) at 5,250 | 300 N⋅m (221 lb⋅ft) at 1,200-4,000 |
| SLK 250 BlueEFFICIENCY | 2011-2015 | 1,796 cc (110 cu in) I4 turbo (M271 DE 18 LA) | 204 PS (150 kW; 201 hp) at 5,500 | 310 N⋅m (229 lb⋅ft) at 2,000-4,300 |
| SLC 300 | 2015-2020 | 1,991 cc (121 cu in) I4 turbo (M274 DE 20 LA) | 245 PS (180 kW; 242 hp) at 5,500 | 370 N⋅m (273 lb⋅ft) at 1,300-4,000 |
| SLK 350 BlueEFFICIENCY | 2011-2015 | 3,498 cc (213 cu in) V6 (M276 DE 35) | 306 PS (225 kW; 302 hp) at 6,500 | 370 N⋅m (273 lb⋅ft) at 3,500-5,250 |
| SLK 55 AMG | 2012-2015 | 5,461 cc (333 cu in) V8 (M152 DE 55) | 422 PS (310 kW; 416 hp) at 6,800 | 540 N⋅m (398 lb⋅ft) at 4,500 |
| AMG SLC 43 | 2015-2020 | 2,996 cc (183 cu in) V6 twin-turbo (M276 DE 30) | 367–390 PS (270–287 kW; 362–385 hp) at 6,000 | 540 N⋅m (398 lb⋅ft) at 1,600-4,000 |
| Model | Years | Type | Power at rpm | Torque at rpm |
|---|---|---|---|---|
| SLK 250 CDI BlueEFFICIENCY | 2012- | 2,143 cc (131 cu in) 16V I4 2-stage turbo (OM651 DE 22 LA) | 204 PS (150 kW; 201 hp) at 4,200 | 500 N⋅m (369 lb⋅ft) at 1,600-1,800 |
ECO start/stop is included for all engine models.[14]
Transmissions
| Model | Years | Types |
|---|---|---|
| SLK 200 BlueEFFICIENCY | 2011-2015 | 6-speed manual, 7-speed automatic (7G-TRONIC PLUS) |
| SLK 200 | 2015- | 6-speed manual, 9-speed automatic (9G-TRONIC) |
| SLK 250 BlueEFFICIENCY | 2011- | 6-speed manual, 7-speed automatic (7G-TRONIC PLUS) |
| SLK 350 BlueEFFICIENCY | 2011- | 7-speed automatic (7G-TRONIC PLUS) |
| SLK 55 AMG | 2012- | 7-speed automatic (AMG SPEEDSHIFT PLUS) |
| Model | Years | Types |
|---|---|---|
| SLK 250 CDI BlueEFFICIENCY | 2012- | 6-speed manual, 7-speed automatic (7G-TRONIC PLUS) |
Performance
| Model | Years | 0–100 km/h (62 mph) acceleration (second) |
Top speed | Emissions CO 2 |
|---|---|---|---|---|
| SLK 200 | 2011– | 7.3 | 239 km/h (149 mph) | 158 g/km |
| SLK 250 CDI automatic | 2011– | 6.7 | 243 km/h (151 mph) | 132 g/km |
| SLK 250 automatic | 2011– | 6.6 | 243 km/h (151 mph) | 153 g/km |
| SLK 350 automatic | 2011– | 5.6 | 249 km/h (155 mph) (electronically limited) | 167 g/km |
| SLK 55 AMG automatic | 2012– | 4.6[15] | 280 km/h (170 mph) (electronically limited) | 195 g/km |
Facelift (SLC-Class)
In December 2015 Mercedes presented to the press the new version named SLC-Class, announcing a March 2016 launch date to coincide with the 20th anniversary of the original SLK.[16]
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- SLC 180 4 cylinders, 1.6L turbo, 156 PS, 250 Nm, 5.6 L/100 km, 127 g CO
2/km, 0–100 km/h (62 mph) in 7.9 s, 226 km/h (140 mph) - SLC 200 4 cylinders, 2.0L turbo, 184 PS, 300 Nm, 5.7 L/100 km, 133 g/km, 0–100 km/h (62 mph) in 7.0s, 240 km/h (149 mph)
- SLC 300 4 cylinders, 2.0L turbo, 245 PS, 370 Nm, 5.8 L/100 km, 134 g/km, 0–100 km/h (62 mph) in 5.8s, 250 km/h (155 mph)
- AMG SLC 43 V6, 3.0L biturbo, 367 - 390 PS, 520 Nm, 7.8 L/100 km, 178 g/km, 0–100 km/h (62 mph) in 4.7s, 250 km/h (155 mph)
- SLC 250d 4 cylinders, 2.1L turbodiesel 204 PS, 4.4 L/100 km, 114 g/km, 0–100 km/h (62 mph) in 6.6s, 245 km/h (152 mph)[16][17][18][19][20]
All versions have as standard the 9G-Tronic automatic gearbox, except for the 180 and 200 in which a manual 6-speed gearbox is standard,[21] although the automatic is available in option.[22]
References
Notes
- ↑ https://webthesis.biblio.polito.it/10713/1/tesi.pdf
- ↑ https://webthesis.biblio.polito.it/10713/1/tesi.pdf
- ↑ https://webthesis.biblio.polito.it/10713/1/tesi.pdf
- ↑ https://webthesis.biblio.polito.it/10713/1/tesi.pdf
- ↑ "2015 Mercedes-Benz SLK-Class 2dr Roadster SLK350 Specs". cars.usnews.com. https://cars.usnews.com/cars-trucks/mercedes-benz/slk-class/2015/specs/slk-class-slk350-369127.
- ↑ Michael Harley (3 February 2011). "2012 Mercedes-Benz SLK Roadster unwrapped in Stuttgart". Autoblog. http://www.autoblog.com/2011/02/03/2012-mercedes-benz-slk-roadster-unwrapped-in-stuttgart/.
- ↑ "Geneva motor show 2011 - Mercedes-Benz SLK". What Car?. 28 February 2011. http://www.whatcar.com/car-news/geneva-motor-show-2011/mercedes-benz-slk/255650.
- ↑ Siler, Steve (13 January 2011). "2012 Mercedes-Benz SLK-class - Official Photos and Info". Hearst Communications, Inc.. http://www.caranddriver.com/news/car/11q1/2012_mercedes-benz_slk-class-official_photos_and_info.
- ↑ "The new Mercedes-Benz SLK Roadster: Passion meets efficiency - Daimler Global Media Site > Brands & Products > Mercedes-Benz Cars > Mercedes-Benz Passenger Cars > SLK > as of 2011". daimler.com. 16 February 2011. http://media.daimler.com/dcmedia/0-921-1343398-1-1359611-1-0-0-0-0-1-11701-1549054-0-1-0-0-0-0-0.html?TS=1384374031702.
- ↑ "The latest on the C- and E-Class and the SLK: Bestsellers on top form - Daimler Global Media Site > Brands & Products > Mercedes-Benz Cars > Mercedes-Benz Passenger Cars > C-Class > Sedan > Previous Model > 2011-2013". daimler.com. 27 March 2014. http://media.daimler.com/dcmedia/0-921-614251-1-1477193-1-0-0-0-0-1-11701-854934-0-1-0-0-0-0-0.html?TS=1359674985300.
- ↑ "Mercedes-Benz details new variable-displacement V8 for SLK55 AMG". Autoblog. 2011-07-21. http://www.autoblog.com/2011/07/21/mercedes-benz-details-new-variable-displacement-v8-for-slk55-amg.
- ↑ "The new SLK 55 AMG: Top marks in all disciplines - Daimler Global Media Site > Brands & Products > Mercedes-Benz Cars > Mercedes-AMG > SLK > as of 2011". daimler.com. 7 October 2014. http://media.daimler.com/dcmedia/0-921-1417294-1-1417406-1-0-0-0-0-1-11701-854934-0-1-0-0-0-0-0.html.
- ↑ "2012 Mercedes Benz SLK 55 AMG". AUSmotive.com. http://www.ausmotive.com/2011/08/22/2012-mercedes-benz-slk-55-amg.html.
- ↑ "Autocar 13 January 2011". Autocar.co.uk. 2011-03-01. http://www.autocar.co.uk/News/NewsArticle/AllCars/254855/.
- ↑ "2016 Mercedes-Benz SLK 55 AMG (aut. 7) detailed performance review". www.automobile-catalog.com. https://www.automobile-catalog.com/performance/2016/1557965/mercedes-benz_slk_55_amg.html.
- ↑ 16.0 16.1 "Salon Detroit 2016 : Mercedes SLC". turbo.fr. 12 June 2023. http://www.turbo.fr/actualite-automobile/789640-salon-detroit-2016-mercedes-slc/.
- ↑ "The new SLC: New name, new dynamic". Daimler-Benz. http://media.daimler.com/dcmedia/0-921-1872670-1-1873297-1-0-0-0-0-0-0-0-0-1-0-0-0-0-0.html.
- ↑ Robbins, Alex (8 April 2016). "Mercedes SLC revealed". telegraph.co.uk. https://www.telegraph.co.uk/cars/news/mercedes-slc-revealed/.
- ↑ "Goodbye SLK, hello new Mercedes SLC roadster!". jbrcapital.com. https://jbrcapital.com/blog/the-slk-to-slc-class-facelift/.
- ↑ "Mercedes SLC more than just a name change". ctvnews.ca. 16 December 2015. http://www.ctvnews.ca/autos/mercedes-slc-more-than-just-a-name-change-1.2702499.
- ↑ "Mercedes SLC, la nouvelle mouture du SLK". lefigaro.fr. 16 December 2015. http://www.lefigaro.fr/automobile/2015/12/16/30002-20151216ARTFIG00089-mercedes-slc-la-nouvelle-mouture-du-slk.php.
- ↑ "Mercedes SLC : adieu SLK". autonews.fr. 16 December 2015. http://www.autonews.fr/nouveautes/nouveaute/204004-mercedes-slc-slk-amg-moteurs/.
Bibliography
- Allner, Michael (2021) (in de). Mercedes-Benz SLK & SLC: alle Generationen, alle Baujahre. Stuttgart: Motorbuch Verlag. ISBN 9783613043671.
- Koehling, Bernd S. (2021). Mercedes-Benz: Everything you want to know about the SLK R172 - From the SLK200 to the SLK 55AMG and Tuners. Independently published. ISBN 9798736830558.
External links
Press kit:
- The new Mercedes-Benz SLK: Passion meets efficiency
- The new SLK 55 AMG: Top marks in all disciplines
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