2012 Mercedes-Benz CLS-Class Technical Data

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Photography by:

 

CLS550

CLS63 AMG

Vehicle type

Four-door, four-passenger coupe

Four-door, four-passenger coupe

Chassis

Steel unibody

Steel unibody

 

Engine

90-degree V8

90-degree V8

Valve arrangement

Four valves per cylinder

Four valves per cylinder

Valvetrain

DOHC per cylinder

DOHC per cylinder

Displacement  (cc)

4,663

5,461

Bore (in./mm)

3.66

3.86

Stroke (in./mm)

3.39

3.56

Compression ratio

10.5:1

10.0:1

Horsepower @ rpm

402 @ 5,250

518 @ 5,500 (550)*

Torque (lb-ft.) @ rpm

443 lb-ft @ 1,600 - 4,750

516 @ 2,000 - 4,500 (590)*

Intake system

Direct gasoline injection with piezo injectors, twin turbo

Direct gasoline injection, twin turbo w/14.5 (18.8)* lbs. boost

Engine management

ME 9.7

 

Max. engine speed (rpm)

TBD

TBD

 

Transmission

Seven-speed automatic

AMG SPEEDSHIFT
Seven-speed MCT

Shift controls

Direct Select

AMG DRIVE UNIT with
E-SELECT lever

Gear ratios

Automatic

Automatic

1
2
3
4
5
6
7
R

4.38:1

4.34:1

2.86:1

2.89:1

1.92:1

1.92:1

1.37:1

1.37:1

1.00:1

1.00:1

0.82:1

0.82:1

0.73:1

0.73:1

- 3.42:1

-3.42:1

R2 "comfort mode"

- 2.23:1

-

Final drive

2.47:1

2.65:1

 

Stability control

ESP stability control

ESP stability control

Suspension

AIRMATIC

AMG Adaptive Suspension

 

front

3-link front axle with McPherson struts, anti-dive AIRMATIC full-support air suspension

3-link front axle, anti-dive control, coil springs, electronic gas-filled spring struts, anti-roll bar

rear

Independent multilink, anti-squat and anti-dive, AIRMATIC full-support air suspension

Independent multilink, anti-squat and anti-dive control, AIRMATIC fullsupport air suspension, electronically controlled damping system, anti-roll bar

Steering

Electro Hydraulic Speed-sensitive power-assisted rack-and-pinion

Electro Hydraulic Speed-sensitive
power-assisted rack-and-pinion

Turning radius (ft.)

37

TBD

Wheels (in.)

front

18 x 8.5

19 x 9

rear

18 x 9.5

19 x 10

Tires

front

255/40 R18

255/35 R19

rear

285/35 R18

285/30 R19

Brakes

Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock; Brake Assist

Hydraulic power assisted 4-wheel
discs with 4-channel ABS anti-lock;
Brake Assist

Disc diameter (in./mm)           

front

14.2 (ventilated)

14.2 ventilated & perforated

rear

12.6 (ventilated)

14.2 ventilated & perforated

 

Exterior dimensions (in)

Wheelbase

113.15

113.15

Length

194.49

196.7

Width

74.06

74.06

Height

55.75

55.35

Ground clearance (in.)

TBD

TBD

Track                      

front

62.83

63.86

 

rear

63.94

63.20

 

Interior dimensions (in.)

Head room (w/sunroof)           

front

36.93

36.93

2nd / 3rd row

36.14

36.14

Leg room

front

TBD

TBD

2nd / 3rd row

TBD

TBD

Shoulder room

front

57.2

57.2

2nd

56.5

56.5

Cargo Length

Back row up

TBD

TBD

Back

TBD

TBD

 

Capacities

Cabin volume (cu. ft.)

TBD

TBD

Cargo volume

seats up

15.31

15.31

Back row down

TBD

TBD

Curb weight (lbs.)

4,168

4,277

Towing (lbs.)

N/A

N/A

Comments

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