The History Of Mercedes Slk230


The SLK is a compact roadster manufactured by Mercedes-Benz in two generations, R170 and R171, since 1997.

As one of the first modern retractable hardtop convertibles, the SLK followed the 1995 Mitsubishi 3000GT Spyder and preceded other retractable hardtops such as the Peugeot 206cc, Lexus SC, Mercedes-Benz SL-Class and the Chrysler Sebring.

The designation SLK derives from the company's design mission to create a roadster that was at once sporty, light and short — in German: Sportlich, Leicht und Kurz.

The term SLK-Class is a Mercedes marketing term referring to the vehicle in all its engine configurations across both design generations.

Competitors include the Audi TT, BMW Z4, Lexus SC, Porsche Boxster, and Porsche Cayman.

Main article: Mercedes-Benz R170

The R170-platform SLK 230 Kompressor was introduced in 1997 for model year 1998 to compete with the Porsche Boxster and BMW Z3. Setting it apart was its folding hardtop, though its additional weight compromised the performance of the 185hp 2.3L supercharged I4 engine and automatic transmission. The SLK was on Car and Driver's Ten Best list for 1997.

A 5-speed manual transmission was added for 1999 along with the 215hp 3.2L V6 and 6-speed manual transmission in the 2001 SLK 320.

An AMG model was added in 2001, with a 354hp (264kW) supercharged version of the 3.2L V6. This SLK 32 AMG was the best-performing R170 SLK, and was a direct rival of the BMW M Roadster and Porsche Boxster S. It was only offered with automatic transmission and was hand built.

Not all Mercedes SLKs were built in Bremen, Germany, the SLK 320 being built in South Africa and Mexico. The very first R170 Mercedes SLK was completed on January 29, 1997 and last on April 7, 2004.

Summary of all versions and engine specifications:

  • SLK 200 Kompressor - 2.0L (1998cc) 163hp I4 supercharged engine, 0-60mph in 8.2 seconds, top speed of 223km/ h (138mph). NB Not exported to North American markets.
  • SLK 230 Kompressor - 2.3L (2295cc) 197hp I4 supercharged engine, 0-60mph in 6.9 seconds, top speed of 240km/ h (148mph).
  • SLK 320 - 3.2L (3199cc) 218hp V6 engine, 0-60mph in 6.5 seconds, top speed of 245km/ h (152mph).
  • SLK 32 AMG - 3.2L (3199cc) 354hp V6 engine, 0-60mph in 4.5 seconds. All engines were hand-built by AMG by an individual engineer. The engine came with an intercooled Lysholm-type "twin-screw" supercharger. Production commenced in August 2001 and ended in March 2004.
Main article: Mercedes-Benz R171

The SLK was substantially revised in 2004 with a revised body and enhanced performance. For 2005 the new R171-platform SLK was named one of Car and Driver's Car and Driver Ten Best and won the Canadian Car of the Year's Best New Convertible award. The current SLK's are built in Bremen, Germany and Mexico city, Mexico.

Models of the new SLK include:

  • SLK 200 Kompressor - 1.8L 120 kW (163hp DIN) I4 supercharged engine, 0-100km/ h (62mph) 7.9 seconds, top speed of 143mph. (not available in Canada and the US)
  • SLK 280 - 3.0L (2996cc) 170 kW (231hp DIN) double overhead cam V6 engine, 0-100km/ h (62mph) 6.3 seconds, top speed 155mph. (starting in 2006 model year)
  • SLK 350 - new 3.5L (3498cc) 200 kW (272hp DIN) double overhead cam V6 engine, 0-100km/ h (62mph) 5.4 seconds, top speed 155mph (electronically limited).
  • SLK 55 AMG - 5.4L (5439cc) 265 kW (360hp DIN) V8 engine, 0-100km/ h (62mph) 4.9 seconds, top speed 155mph (electronically limited). A tuned version of this was used as the Formula One safety car, replaced by CLK 63 AMG at the beginning of 2006 Season.

A lifting of the R171, with more powerful engines, has been presented at the end of 2007.

  • SLK 200 Kompressor - 1.8L 135 kW (184hp DIN) I4 supercharged engine
  • SLK 350 - 3.5L (3498cc) 224 kW (305hp DIN) double overhead cam V6 engine



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