|Class||Compact luxury crossover SUV|
|Body style||5-door SUV|
|Layout||Front engine, rear-wheel drive / four-wheel drive|
|Engine||2.1L CDI I4 3.0L V6 3.5L V6 3.0L CDI V6|
|Wheelbase||108.5 in (2,756 mm)|
|Length||2009-2011: 178.2 in (4,526 mm) 2012-Present: 178.3 in (4,529 mm)|
|Width||2009-2011: 72.4 in (1,839 mm) 2012-Present: 74.3 in (1,887 mm)|
|Height||66.9 in (1,699 mm)|
The Mercedes-Benz GLK (codename X204; Geländewagen Luxus Kompaktklasse) is a compact luxury crossover SUV released as a 2009 model elsewhere and as a 2010 model in North America after its public debut at the 2008 Beijing Auto Show alongside the competing Audi Q5.
First generation (X204)
Vision GLK Freeside (2008)
It is a concept vehicle incorporating design of the original G-Class with typical design features from the contemporary Mercedes-Benz passenger car range. The concept vehicle includes 2.2-litre BlueTec four-cylinder Diesel engine rated 170 PS (125 kW; 168 hp), 7G-Tronic seven-speed automatic transmission, 4Matic all-wheel drive, anticipatory Pre-Safe safety concept and the Intelligent Light System (ILS), Comand APS infotainment centre, a rear-seat entertainment system with two screens and Thermotronic 3-zone automatic climate control, Agility Control suspension. The vehicle was unveiled in 2008 Detroit Auto Show.
Vision GLK Townside (2008)
It is a concept vehicle demonstrating GLK's dynamic performance on the tarmac. The vehicle was unveiled in 2008 North American International Auto Show
The vehicle's design was heavily influenced by the Mercedes-Benz C-Class.
The GLK-Class shares the C-Class (W204) platform, and production plans continued after the demise of the similar Smart Formore. The vehicle was unveiled in Auto China 2008
European models went on sale in June 30, 2008, with deliveries began in the autumn. Early German models included GLK 220 CDI 4Matic BlueEfficiency, GLK 320 CDI 4Matic, GLK 280 4Matic, GLK 350 4Matic. GLK Edition 1 models are based on V6 engine models, but include exterior sports package, 20-inch wheels, Easy-Pack tailgate and specially coloured privacy glass in the rear compartment, interior sports package, black/white nappa leather seats from the designo range, AMG multifunction leather steering wheel, a black roof lining, exclusive aluminium trim elements and the Comand APS system, calcite white body colour.
GLK 220 CDI BlueEfficiency, GLK 220 CDI 4Matic BlueEfficiency, GLK 300 4Matic, GLK 250 CDI 4Matic BlueEfficiency were introduced in 2009
At launch in Germany and North America, the car was offered in all-wheel drive only, though recently a rear-wheel drive only version debuted.
The GLK-Class is not sold in RHD markets such as the United Kingdom, due to a driveshaft used to operate the front wheels on 4WD versions of the GLK. It is positioned such that it encroaches slightly on the right-hand-side footwell.
Vision GLK Bluetec Hybrid (2008)
It is a concept vehicle demonstrating Bluetec engine with hybrid module. It includes a 4-cylinder Bluetec Diesel engine, maximum 160 N·m (118 lb·ft) electric motor, alubeam blue body colour, 20-inch light-alloy wheels, black leather upper dashboard upholstery, Comand APS central display, Agility Control suspension.
The vehicle was unveiled in 2008 Geneva Motor Show show.
2008 SEMA concepts (2008)
Mercedes-Benz USA partnered with four tuners to develop custom designs based on the upcoming 2010 GLK-Class vehicles, as part of the US launch of GLK-Class SUV in 2009.
The Urban Whip is a white roadster built by Boulevard Customs, NBS Performance. Based on the GLK 350 4Matic, it included custom-made wide-body kit developed with RoBrady Design, body lowered by 64mm with custom lowering springs, 26-inch Asanti AF 150 chrome wheels with custom black accents and 295/25 ZR26 Pirelli Scorpion tires, front and rear Brembo performance brake kit with 381mm 2-piece floating rotors and 8-pot front callipers and 344mm 2-piece floating rotors with 4-piston rear callipers, 5.7 kW custom stereo system with eight HD amps and six new JL Audio 13TW5 flat subwoofers.
Brabus Widestar included a 320 Bluetec engine from other models available in the USA, Widestar bodyshell, customised front and rear bumpers, LED daytime running lights, side skirts, a roof spoiler with LED lights (position lights) and all-new LED lighting units above the front windshield, 21-inch wheels with 295/30 ZR 21 tires, lower ride height by 30 mm via Brabus chassis kit, high-performance brake system, enhanced engine power to 258 PS (190 kW; 254 hp) and 610 N·m (450 lb·ft) via ECOPowerXtra tuning kit, semi-aniline leather upholstery, diagonal stitching on the seating, door panels and the entire vehicle floor in cognac colour; black leather on upper surfaces of dashboard and door panels; black with piano black wood trim at roof lining alcantara upholstery, sports steering wheel and aluminium sports pedals, multimedia system mounted in the front seat backs with a DVD player and 7-inch monitors.
RennTech Rally Racer is a hybrid vehicle based on GLK 350 4Matic, built by Renntech, inspired by the winged, unlimited-class rally cars of Pikes Peak Hill Climb. The engine power was increased to 350 PS (257 kW; 345 hp) via special intake manifold, cams and cylinder heads, long-tube headers, composite air intake, Renntech ECU software. It also included hybrid system with 72 volt electric motor, 12 volt plug-in batteries. Other features include custom coil-over suspension from KW, Renntech brake combo with 412mm 2-piece rotors with 8-piston front callipers at the front and 356mm discs with 4-pot rear callipers, 20 inch 3-piece, 5-spoke Renntech Sniper Gray wheels with NT05 275/40 20 Nitto front and NT05 315/35 20 rear tires, aerodynamically-tuned body kit.
The Four Corners Rock Crawler is based on GLK 350 4Matic, built by Legendary Motorcar Company. The design was inspired by the idea of turning the GLK into an interactive snowboarding car. It included a gasoline-powered tow winch, stainless steel bar roof with swing-out side-mounted grinding rails, Perspex panel fitted to the roof, increased ride height by 38mm via custom-made spacers on the lower control arm at the rear and billet aluminium spacers at the front, 18-inch Jesse James Black-Widow rims with Toyo Open Country AT mudder tires, stock interior The vehicles were unveiled in 2008 SEMA show, followed by 2008 Los Angeles Auto Show.
The ECO PowerXtra engine tuning kit found in Brabus Widestar concept also appeared in its GLK 320 CDI 4Matic upgrade kit Brabus Widestar was later sold as conversion kit for X204 GLK built before June 2012.The construction of Rock Crawler concept was featured in season 9 of Dream Car Garage.
Renntech GLK350 Hybrid Pikes Peak Rally Car (2011)
It is a concept car based on the RennTech Rally Racer built for 2008 SEMA show. It included an updated body kit with 3M 1080 Scotchprint textured automotive vinyl wrap in brushed steel (1080-BR201) and black carbon fiber (1080 CF-12) colours with subtle red pin stripping. The vehicle was unveiled in 2011 Pittsburgh International Automotive Show.