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| Mercedes-Benz | Porsche | Motorcycles & Miscellanea | How Things Work (DIY) Section |
2003-2005 Mercedes-Benz CLK-Class
2003
Two brand new coupes with a dynamic pillarless design were introduced: The W209 CLK. The CLK320 had the familiar 215 horsepower vee-six, but
the standard vee-eight had a larger, 5.0 liter engine. The new V8 produced 302 horsepower and 339 pound feet of torque. Convertible CLKs
were still available, but only in the W208 body style. The new W209 was available with Distronic adaptive cruise control, Keyless Go, and
Bi-Xenon headlamps. The CLK55 transmission received an "M" (manual) mode feature with shift buttons on the back of the steering
wheel. One item of note, if the car reaches redline while in M mode, the transmission will upshift.
Prices for the new W209 were $44,565 for the CLK320, $52,865 for the CLK500 and $69,115 for the CLK55.
2004
The W209 Cabriolets replaced the W208s, and they were available in all three versions - the CLK320, CLK500 and CLK55. Active ventilated,
multi-contour seats were introduced, and a special edition Saks Fifth Avenue's Key for the Cure CLK500 was available. vee-eight had a
larger, 5.0 liter engine.
The CLK320 coupe had a list price of $44,350, the CLK320 Cabriolet had a list price of $51,400, the CLK500 coupe listed for $52,800, the CLK500 Cabriolet listed for $59,850, the CLK55 coupe listed for $70,620 and the CLK55 Cabriolet listed $80,220.
2005
The The CLK320 received a standard appearance package that included a sport shift knob with chrome trim and 17-inch five-spoke alloy wheels with high-performance tires.
Standard equipment on the CLK500 was upgraded to include new AMG five-spoke wheels, a rear spoiler, steering wheel attached gearshift buttons, and the 7-speed automatic transmission.
All models received a redesigned center console.
The CLK55 received an upgraded steering rack, 18-inch Type IV AMG wheels, revised suspension components, quad exhaust tips (on the coupe only), larger brake rotors with 6-piston calipers in the front and 4-piston calipers out back, scratch resistant nano-paint and revised transmission logic. The transmission program change causes the rev limiter to interrupt power rather than upshift when redline is reached while in "M" mode.
The CLK320 coupe had a list price of $45,970, the CLK320 Cabriolet had a list price of $53,420, the CLK500 coupe listed for $54,470, the CLK500 Cabriolet listed for $61,970, the CLK55 coupe listed for $70,620 and the CLK55 Cabriolet listed $81,570.
Technical Data
| CLK320 | CLK500 | CLK55 | |
| Vehicle type | Four-passenger pillarless hardtop coupe or convertible with fully-automatic retractable softtop (CLK63 AMG: Cabriolet only) | ||
| Engine | 90-degree V6 | 90-degree V8 | |
| Engine material | Aluminum block and heads | ||
| Valvetrain | Chain-driven single overhead camshaft per cylinder bank, three valves per cylinder | ||
| Valve arrangement | 3-valve technology with two intake and one exhaust valve per cylinder | ||
| Displacement (cu. in./cc) | 195.2 / 3,199 | 303 / 4,966 | 331.9 / 5,439 |
| Bore (in./mm) | 3.54 / 89.9 | 3.82 / 97.0 | 3.82 / 97.0 |
| Stroke (in./mm) | 3.31 / 84.0 | 3.31 / 84.0 | 3.62 / 92.0 |
| Compression ratio | 10.0:1 | 11.0:1 | |
| Horsepower @ rpm | 215 / 5,700 | 302 @ 5,600 | 362 @ 5,750 |
| Torque (lb-ft.) @ rpm | 229 / 3,000 - 4,600 | 339 @ 2,700 - 4,250 | 376 @ 4,000 |
| Intake system | Magnesium two-stage resonance intake manifold | ||
| Engine management | ME 2.8 engine control with phase-shifted twin spark ignition, two coils and spark plugs per cylinder, integrated sequential multi-point fuel injection | ||
| Max. engine speed (rpm) | 6,000 | 6,700 | |
| Transmission | Five-speed electronically controlled automatic with Touch Shift and driver-adaptive shift logic | Seven-speed electronically controlled automatic with Touch Shift and driver-adaptive shift logic. Steering-wheel mounted gear shift buttons | AMG modified, Speedshift controlled five-speed driver-adaptive automatic with steering wheel controls |
| Gear ratios | |||
|
1
2 3 4 5 6 7 R R2 "comfort" mode |
3.95:1
2.42:1 1.49:1 1.00:1 0.83:1 - - 3.15:1 1.90:1 |
4.38:1
2.86:1 1.92:1 1.37:1 1.00:1 0.82:1 0.73:1 3.42:1 2.23:1 |
3.59:1
2.19:1 1.41:1 1.00:1 0.83:1 - - 3.16:1 - |
| Final drive | Coupe 3.27:1 / Cab 3.45:1 | 2.65:1 | 3.06:1 |
| Chassis | Unibody | ||
| Stability control | Electronic Stability Programming (ESP) integrating single brake application, throttle intervention for yaw control, plus throttle intervention for wheelspin control. | ||
| Suspension | Four-wheel independent | ||
| Front suspension details | Independent 3-link, w/antidive geometry; coil springs over gas shock absorbers | Independent 3-link, strut, AMG sport coil springs, AMG sport gas-charged twin-tube shock absorbers, and AMG sport stabilizer bar | |
| Rear suspension details | Independent 5-arm multilink with geometry for antisquat and alignment control. Stabilizer bar. Separate rear coil springs and gas-pressurized shock absorbers. | Independent 5-arm multilink with AMG sport coil springs, AMG sport gas-charged twin-tube shock absorbers, and AMG sport stabilizer bar | |
| Steering | Rack-and-pinion, speed-sensitive hydraulic power assist and integrated hydraulic damper | ||
| Turns, lock-to-lock | 3 | ||
| Turning radius (ft.) | 35.3 | ||
| Front wheels (in.) | 7.5 x 17 five-spoke light alloy | 7.5 x 17 AMG monoblock five-spoke | 7.5 x 18 AMG high polished five double-spoke |
| Rear wheels (in.) | 8.5 x 17 five-spoke light alloy | 8.5 x 17 AMG monoblock five-spoke | 8.5 x 18 AMG polished five double-spoke |
| Front tires | 225 / 45 ZR 17 | 225 / 40 ZR 18 | |
| Rear tires | 245 / 40 ZR 17 | 255 / 35 ZR 18 | |
| Brakes | Hydraulic power assisted 4-wheel discs with ABS anti-lock; Brake Assist | ||
| Front calipers | single-piston floating | four-piston fixed | six-piston fixed |
| Rear calipers | dual-piston fixed | four-piston fixed | |
| Front disc type | vented | ||
| Rear disc type | solid | vented | |
| Front disc diameter (in./mm) | 11.8 / 300 | 13.6 / 345 | 13.4 / 340 |
| Front disc thickness (in./mm) | 1.1 / 28 | 1.2 / 30 | |
| Rear disc diameter (in./mm) | 11.4 / 290 | 11.8 / 300 | 13.0 / 330 |
| Rear disc thickness (in./mm) | 0.4 / 10 | 0.9 / 22 | |
| Exterior dimensions (in./mm) | |||
| Wheelbase | 106.9 / 2,715 | ||
| Length | 182.6 / 4,638 | ||
| Width (without mirrors) | 68.5 / 1,740 | ||
| Front track | 58.9 / 1,495 | ||
| Rear track | 58.0 / 1,474 | ||
| Height (coupe) | 55.4 / 1,408 | ||
| Height (cabrio) | 54.4 / 1,381 | ||
| Curb weight (coupe / cab) | 3,515 / 3,770 | 3,585 / 3,905 | 3,635 / 3,960 |
| Weight distribution (coupe) | 1895 / 1620 | 1965 / 1620 | 2005 / 1630 |
| Weight distribution (cabrio) | 1930 / 1840 | 2040 / 1865 | 2085 / 1875 |
| Aerodynamic drag (Cd) - coupe / cabrio | 0.29 / 0.31 | .030 / 0.32 | .029 / 0.32 |
| Interior dimensions (in./mm) | |||
| Front head room | 37.1 / 941 (Cabriolet: 38.4 / 976) | ||
| Rear head room | 35.8 / 908 (with optional sunroof) (Cabriolet: 36.3 / 921) | ||
| Front leg room | 42.0 / 1,067 (Cabriolet: 42.0 / 1,067) | ||
| Rear leg room | 33.0 / 837 (Cabriolet: 30.4 / 772) | ||
| Front shoulder room | front "53.2 / 1,351(Cabriolet: 53.2 / 1,351) | ||
| Rear shoulder room | 49.3 / 1,252 (Cabriolet: 48.5 / 1,233) | ||
| Front hip room | 53.7 / 1,364 (Cabriolet: 52.1 / 1,324) | ||
| Rear hip room | 45.9 / 1,167 (Cabriolet: 46.9 / 1,190) | ||
| Capacities | |||
| Coupe cabin volume (cu. ft.) | 81.5 | ||
| Cabriolet cabin volume (cu. ft.) | 85.2 | ||
| Coupe cargo volume (cu. ft.) | 10.4 | ||
| Cabriolet cabin volume (cu. ft.) | 8.6 (top down: 5.4) | ||
| Fuel tank (gal./liters) | 16.4 / 62 | ||
| Performance | |||
| Coupe 0-60 (seconds) | 7.4 | 5.6 | 5.0 |
| Cabriolet 0-60 (seconds) | 8.0 | 5.9 | 5.2 |
| Top Speed MPH | 130 - electronically limited | 155 - electronically limited | |
| Coupe fuel economy (city/hwy) | 20 / 28 | 17 / 22 | 15 / 22 |
| Cabriolet fuel economy (city/hwy) | 20 / 26 | 17 / 22 | 15 / 22 |
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© 2006 Marcus Blair Fitzhugh
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