PKW4442 208 series CLK Coupés, 1999 - 2002

208 series CLK Coupés, 1999 - 2002

By August 1999 Mercedes‑Benz had significantly upgraded the design, technology and equipment of the entire CLK model series. The Coupé and Convertible received the same technical innovations that had also provided greater driving safety and ride comfort in the E-Class of model year 2000. Altogether the designers and engineers upgraded around 800 components of the CLK (model series C 208) - more than 200 of these modifications being visible.

The expanded standard equipment included newly designed bumper aprons in the front and rear, side skirts and protective strips in the vehicle colour, exterior mirror housings with integrated indicator repeaters, vertical and horizontal electric adjustment of the front seats, seat belts in front with automatic comfort-fit feature, a central display in the instrument cluster, a multifunction steering wheel for operating the audio units and telephone, exit lamps in the doors, the 'Audio 10' RDS car radio, the ESP®  Electronic Stability Program, cruise control and SPEEDTRONIC. This upgrade of the standard equipment continued Mercedes‑Benz's persistent value-for-money strategy with the CLK as well. The benefit to the customer came to about DM 2500.

As previously, two individual design and equipment lines were available for the facelifted CLK. Mercedes‑Benz replaced the previous 'Sport' line with the more exclusive 'Avantgarde' line, distinguished by 16‑inch light-alloy rims with a seven-spoke design, door handles in vehicle colour, blue-tinted glass, bird's-eye maple wood trim and grey-coloured dials in the instrument cluster, among other features. For the interior equipment, three colour combinations were available for this model variant.

The CLK models of the 'Elegance' line differed from the 'Avantgarde' model by their 16-inch rims with a five-hole design, door handles and window frames with chrome plating, burr walnut trim and anthracite-coloured dials in the instrument cluster. Four colours were available for the interior appointments.

The five-speed automatic transmission, standard on the V6 and V8 models, was equipped with the practical Touchshift feature, which in 'D' facilitated manual selection of the five gears.

The list of optional extras also contained innovative new developments from the E-Class and S-Class. At its head stood the COMAND operating and display system, combining car radio, navigation system and CD player. Instructions from the electronic traffic pilot appeared in the form of a map on a colour display in the centre console and as icons on the central display in the instrument cluster.

At the top of the CLK model line from August 1999 was the CLK 55 AMG, whose suspension and drive technology corresponded to the then safety car of the Formula 1 World Championship. The core of this high-performance coupé was a V8 engine developed by Mercedes‑AMG, with 255 kW (347 hp) of power and a respectable torque of 510 newton metres, available at engine speeds between 3000 and 4300 rpm. The CLK 55 AMG accelerated from 0 to 100 km/h in 5.4 seconds, and covered the standing kilometre in just 24.3 seconds. The fuel consumption was 11.7 litres per 100 kilometres (NEDC overall consumption).

The AMG engine, based on the 8-cylinder engine of the S 500, featured cast aluminium pistons effectively cooled by means of special oil spray nozzles. The intake tract was double-flow and in combination with efficient camshafts adopted from motorsport and the newly developed variable intake manifold provided a very good cylinder charge, as evidenced by the exemplary torque characteristics.

Compared with the Mercedes‑Benz CLK 430, the CLK 55 AMG was lower by about 25 millimetres and fitted with firmer shock absorbers, reinforced stabiliser bars and modified springs. Four large vented disc brakes with diameters of up to 334 millimetres guaranteed optimal deceleration. The ESP® Electronic Stability Program was also part of the standard equipment of the high-performance coupé.

AMG light-alloy wheels and 17-inch tyres boosted the sporty appearance and contributed to the good roadholding of the coupé. Mercedes‑AMG had upgraded the body design with a front apron with integrated front fog lamps, dynamically shaped side sills and a special rear apron. Seats, door panels, sport steering wheel and automatic transmission selector lever were covered with fine leather, two-tone leather was available as an optional extra. Multicontour backrests for the driver's and front-passenger's seats, seat heating, automatic climate control and stereo car radio were other standard-fit details in the interior of the coupé, enhancing both safety and comfort.

In June 2000 the four-cylinder models of the CLK with modified engines and standard-fit six-speed manual transmissions arrived at the branches and sales partners of the Mercedes‑Benz brand. The V6/V8 models CLK 320 and CLK 430 remained unchanged.

The CLK 200 KOMPRESSOR introduced a new 2.0‑litre engine with mechanical supercharger, already familiar from the SLK and the new C-Class. The engine generated 120 kW (163 hp) and was distinguished by exemplary elasticity thanks to a powerful torque of 230 newton metres from 2500 rpm. The new CLK entry-level version accelerated from 0 to 100 km/h in 9.1 seconds; top speed was electronically limited to 223 km/h.

Even better driving performance was afforded by the CLK 230 KOMPRESSOR with its modified 2.3‑l itre engine that generated 145 kW (197 hp) and a maximum torque of 280 newton metres from 2500 rpm. For the acceleration from 0 to 100 km/h the coupé needed 7.9 seconds. The maximum speed was 235 km/h.

With a low fuel consumption of 9.6 litres per 100 kilometres (NEDC overall consumption) the CLK 230 KOMPRESSOR thus achieved a performance level comparable to the high level of a six-cylinder engine. The CLK 200 KOMPRESSOR managed with 9.4 litres per 100 kilometres (NEDC overall consumption).

Moreover, at the time they were presented the CLK 200 KOMPRESSOR, CLK 230 KOMPRESSOR as well as the V6 and V8 models already complied with the strict EU 4 emissions standards, in force European-wide from 2005. German buyers of the four-cylinder models could thus enjoy the one-time tax bonus of DM 600 as well as the reduced tax rate of DM 10 per 100 cubic centimetres of displacement.

The two four-cylinder engines were further developed with an eye to future emissions and noise limits and had over 150 of their components optimised. They included the cylinder heads, distinguished by flow-optimised intake and exhaust ports with oval cross-sections for better cylinder charging. The same purpose was served by a new, more compact combustion chamber design, which additionally reduced heat loss and thereby improved the response characteristics of the catalytic converter.

The camshafts of the four-cylinder engines were fitted with special Hall sensors, which determined the position of the piston in the first cylinder for better actuation of the corresponding injection valves during a cold start. The result was significantly improved starting characteristics of the cold engine. Also new was the electric radiator fan that supplied the engine with cooling air and could be controlled in the interest of low fuel consumption and low noise emissions. The air flow components and the intake manifold were modified for acoustic comfort, while a cover over the intake manifold additionally lowered noise emissions.

The mechanical supercharger was also a new development contributing audible progress. Thanks to a novel type of bearing technology, uncoupling of the compressor during idling was no longer necessary, so that the electromagnetic clutch between the engine and charger also became superfluous. Absorption dampers in front and behind the compressor also helped reduce noise.

An electronic engine control system, also newly developed, perfected the interplay of engine, transmission and the ESP® Electronic Stability Program. The fast data transfer occurred via a CAN (Controller Area Network) data bus. Optimised warm-up control of the engine and an improved hot-film mass air flow sensor helped reduce exhaust emissions. Single-spark ignition coils and platinum spark plugs increased the efficiency of the ignition system.

The exhaust system of the CLK 200 KOMPRESSOR and of the CLK 230 KOMPRESSOR consisted of a double-walled exhaust manifold with air-gap insulation and an efficient catalytic converter on the vehicle floor. The special design of the manifold reduced heat loss between the engine and the catalytic converter after cold-starting, so that the emission control system could begin converting pollutants faster. The higher precious-metal content in the catalytic converter layer and the catalytic converter capacity increased to 3.2 litres were other preconditions for complying with the strict EU 4 limits. All components of the engine and the exhaust system, whose proper functioning is required for the low exhaust emission levels, were electronically monitored by means of a so-called 'on-board diagnosis'.

The four-cylinder models of the Mercedes‑Benz CLK were standard-equipped from June 2000 with the new six-speed manual transmission, distinguished by short shift travel and low shift forces. The state-of-the-art five-speed automatic transmission continued to be optionally available, with the practical Touchshift as a standard feature. In transmission position 'D' it facilitated manually engaging gears one to five: the driver needed only to move the selector lever slightly to the left or right, and the transmission already changed to the next speed. A five-speed automatic transmission with Touchshift was standard on the CLK 320 and CLK 430. Cruise control with variable speed limiter was standard with all engine variants.

In spring 2003 the CLK Coupés of the first generation were succeeded by the entirely newly developed 209 model series. By May 2002 the Bremen plant had manufactured a total of 233,367 units of the success model. That was 65 per cent more than the coupés of the 124 model series, although the latter had been in production for nine years - and not just for five years, like the model series 208 coupés. The biggest seller was the CLK 320 with 68,778 units.

Mercedes-Benz Typ CLK 55 AMG der Baureihe 208
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MB Typ CLK 55 AMG
Mercedes-Benz CLK-Coupé der Baureihe 208
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CLK-Coupé, Data exchange by infrared light
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz Typ CLK-Coupé der Baureihe 208
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CLK-Coupé
Mercedes-Benz Design, ideas competition in advance of the CLK of model series 208. On the right in the picture Peter Pfeiffer, on the side of the designer Bruno Sacco, played a major role in shaping the coupé. The model series is experiencing its world premiere in January 1997 at the North American International Auto Show (NAIAS) in Detroit.
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Mercedes-Benz CLK-Coupé Idea competition
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK-Coupé der Baureihe 208. Computer-Simulation eines Crash-Tests.
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CLK-Coupé, Crash simulation
Mercedes-Benz CLK-Coupé der Baureihe 208
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CLK-Coupé, Crash simulation
Mercedes-Benz CLK Coupé der Baureihe 208
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CLK Coupé
Mercedes-Benz CLK Coupé der Baureihe 208
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CLK Coupé
Mercedes-Benz CLK Coupé, 208 series, 1997. 
In January 1997 Mercedes-Benz introduces the TELEAID automatic emergency call system. In the event of an accident, it automatically alerts the police and rescue services, directs them to the scene of the incident and also establishes a voice connection in the vehicle. Infographic showing how the system works.
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TELEAID emergency call system
Mercedes-Benz CLK Coupé der Baureihe 208
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CLK Coupé
Mercedes-Benz CLK Coupé der Baureihe 208
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CLK Coupé
Mercedes-Benz Typ CLK 430
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Mercedes-Benz Typ CLK 430
Mercedes-Benz CLK 55 AMG
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Mercedes-Benz CLK 55 AMG
Mercedes-Benz CLK 55 AMG
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Mercedes-Benz CLK 55 AMG
Mercedes-Benz CLK-Coupé, 
Mittelkonsole mit COMAND-System.
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK of model series 208. The model series is experiencing its world premiere in January 1997 at the North American International Auto Show (NAIAS) in Detroit.
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Mercedes-Benz CLK Coupé
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK-Coupé
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Mercedes-Benz CLK-Coupé
Mercedes-Benz CLK 230 Kompressor Coupé Elegance, C 208, 1999
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Mercedes-Benz CLK 230 Kompressor
Mercedes-Benz CLK 230 Kompressor Coupé Elegance, C 208, 1999
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Mercedes-Benz CLK 230 Kompressor
Mercedes-Benz CLK 230 Kompressor Coupé Elegance, C 208, 1999
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Mercedes-Benz CLK 230 Kompressor
Mercedes-Benz Typ CLK 320 der Baureihe 208
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MB Typ CLK 320
Mercedes-Benz Typ CLK 55 AMG der Baureihe 208
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MB Typ CLK 55 AMG
Mercedes-Benz Typ CLK 55 AMG der Baureihe 208
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MB Typ CLK 55 AMG
From 1998 the 5.5 litre V8 engine is also available in the CLK coupe and CLK cabriolet as CLK 55 AMG with 255 kW/347 hp power and 510 Newton-meter torque.
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MB Typ CLK 55 AMG
Mercedes-Benz Typ CLK 200 Kompressor, Motoransicht
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Mercedes-Benz Typ CLK 200 Kompressor,
Mercedes-Benz CLK 430 of model series 208. The model series is experiencing its world premiere in January 1997 at the North American International Auto Show (NAIAS) in Detroit.
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Mercedes-Benz CLK 430
Mercedes-Benz CLK 230 Kompressor Coupé Elegance, C 208, 1999
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Mercedes-Benz CLK 230 Kompressor
Mercedes-Benz CLK 55 AMG
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Mercedes-Benz CLK 55 AMG
Mercedes-Benz CLK 55 AMG Coupé, 208 model serries
A glance into the interior reveals the exclusive character of this automobile. The seats, interior door panels, sports steering wheel and automatic selector lever are covered in fine leather, which is also available in two colours as an option. Sidebags in the doors, multicontour backrests in the driver and front passenger seats, heated seats, automatic climate control and stereo car radio are further standard details in the interior of the CLK 55 AMG that increase safety and comfort.
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CLK Class Coupé - 208 model series
Mercedes-Benz CLK 55 AMG, 208 model series
Engineers from Mercedes-AMG GmbH equipped the coupé with high-tech at its finest. The AMG V8 engine with a displacement of 5.5 litres delivers 255 kW/347 hp at 5500 rpm. Starting at 3000 rpm, the eight-cylinder engine develops a torque of 510 Newton metres, which it keeps constant up to 4300 rpm. The CLK 55 AMG accelerates from 0 to 100 km/h in just 5.4 seconds and covers the 1000-metre distance in 24.3 seconds. The engine electronics limit the top speed to 250 km/h.
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CLK 55 AMG - 208 model series
Coupe and cabriolet of the successful Mercedes model series CLK start with further developed four-cylinder engines in the summer of 2000. From June this year, the new CLK 200 KOMPRESSOR and CLK 230 KOMPRESSOR will appear with modified engine and standard six-speed manual transmission at the Mercedes-Benz brand sales and distribution partners. The CLK 200 KOMPRESSOR provides the repentant 2,0-liter engine with mechanical charger, which Mercedes-Benz has recently also used in the SLK roadster and the new C-Class. The engine has 120kW/163 hp and is characterized by a powerful torque of 230 Newton meters from 2500rpm due to exemplary elasticity.
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Mercedes-Benz CLK 200 Kompressor/CLK 230 Kompressor, model series 208
Coupe and cabriolet of the successful Mercedes model series CLK start with further developed four-cylinder engines in the summer of 2000. From June this year, the new CLK 200 KOMPRESSOR and CLK 230 KOMPRESSOR will appear with modified engine and standard six-speed manual transmission at the Mercedes-Benz brand sales and distribution partners. The CLK 200 KOMPRESSOR provides the repentant 2,0-liter engine with mechanical charger, which Mercedes-Benz has recently also used in the SLK roadster and the new C-Class. The engine has 120kW/163 hp and is characterized by a powerful torque of 230 Newton meters from 2500rpm due to exemplary elasticity.
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Mercedes-Benz CLK-Class Cabriolet and Coupé, model series 208
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