Page 249 of 273
246 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
SLK 230 Kompressor
routing combined, belts I and II1Crankshaft
2Air conditioner compressor
3Power steering pump
4Coolant pump
5Idler pulley
6Generator (alternator)
7Idler pulley
8Idler pulley
9Supercharger
9
6
8
7
4
1
5
32P13.20-2009-26
Page 250 of 273
247 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index SLK 320
belt routing1Automatic belt tensioner
2Crankshaft
3Air conditioner compressor
4Generator (alternator)
5Idler pulley
6Power steering pump
7Coolant pump
For dimensions of the poly-V-belt, see page 248.
6
5
1
2
3
7
4
Page 251 of 273

248 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Te ch n ica l d a t a
Model SLK 230 KOMPRESSOR (170.449)
1
SLK 320 (170.465)
1
Engine111 11 2
Mode of operation 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders 4 6
Bore 3.58 in (90.90 mm) 3.54 in (89.90 mm)
Stroke 3.48 in (88.40 mm) 3.30 in (84.00 mm)
Total piston displacement 140.1 cu.in. (2295 cm
3) 195.2 cu.in. (3199 cm
3)
Compression ratio 8.8:1 10:1
Output acc. to SAE J 1349 190 hp / 5300 rpm
(142 kW / 5300 rpm)215 hp / 5700 rpm
(160 kW / 5700 rpm)
Maximum torque acc. to SAE J 1349 200 ft.lb / 2500 rpm
(270 Nm / 2500 rpm)229 ft.lb / 3000 rpm
(310 Nm / 3000 rpm)
Maximum engine speed 5800 rpm 6000 rpm
Firing order 1-3-4-2 1-4-3-6-2-5
Poly-V-belt 1870 mm (routing I, early model)
1875 mm (routing I, late model)
1355 mm (routing II)2390 mm
1 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special bodies
and special equipment.
Page 252 of 273
249 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Rims – Tires
2 Must not be used with snow chains.
3 Also permissible: 225 / 45 R 17 91 W
4 Also permissible: 245 / 40 R 17 91 W
2
Model SLK 230 KOMPRESSOR
Except Sport PackageSLK 320
Except Sport PackageSLK 230 KOMPRESSOR /
SLK 320
Sport Package
Rims and summer tires
Rims front axle
light alloy rims
Wheel offset7 J x 16 H 2
1.46 in (37 mm)7 J x 16 H 2
1.46 in (37 mm)7
1/2 J x 17 H 2
1.46 in (37 mm)
Rims rear axle
light alloy rims
Wheel offset8 J x 16 H 2
1.18 in (30 mm)8 J x 16 H 2
1.18 in (30 mm)8
1/2 J x 17 H 2
1.18 in (30 mm)
Radial-ply tires
front axle
rear axle205 / 55 R 16 91 V
225 / 50 R 16 92 V
2
205 / 55 R 16 91 W
225 / 50 R 16 92 W
2
225 / 45 ZR 17
3
245 / 40 ZR 17
2, 4
Page 253 of 273
250 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
2 Must not be used with snow chains.Model SLK 230 KOMPRESSOR SLK 320
Rims and winter tires
Rims (light alloy)
Wheel offset7 J x 16 H 2
1.46 in (37 mm)7 J x 16 H 2
1.46 in (37 mm)
Radial-ply tires 205 / 55 R 16 91 H M+S 205 / 55 R 16 91 H M+S
Spare wheel
Rim (light alloy)
Wheel offset4
1/2 B x 15 H 2
0.47 in (12 mm)4
1/2 B x 16 H 2
0.47 in (12 mm)
Collapsible tire 165-15 89 P
2
165 / 70-16 92 P
2
Page 254 of 273
251 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Electrical system
We i g h t s (see certification tag)Main Dimensions SLK 230 KOMPRESSOR SLK 320
Generator (alternator) 14 V / 90 A 14 V / 115 A
Starter motor 12V / 1.1 kW 12V / 1.7 kW
Battery 12V / 74 Ah 12V / 74 Ah
Spark plugs
Electrode gap
Tightening torqueBosch F 7 KTCR
0.039 in (1.0 mm)
15 – 22 ft.lb (20 – 30 Nm)Bosch F 8 DPER
Beru 14 FGH 8 DPUR X 2
NGK PFR 5-11
0.039 in (1.0 mm)
15 – 22 ft.lb (20 – 30 Nm)
Trunk load max.220 lb (100 kg) Overall vehicle length 157.9 in (4010 mm)
Overall vehicle width 67.5 in (1715 mm)
Overall height 50.4 in (1279 mm)
Wheel base 94.5 in (2400 mm)
Track, front 58.6 in (1488 mm)
Track, rear 58.5 in (1485 mm)
Page 270 of 273

267 Index
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex SRS (Supplemental restraint system) ........................... 51
Indicator lamp ........................................................... 180
SRS malfunction ......................................................... 54
Start lock-out .................................................................... 24
Malfunction lamp ...................................................... 185
Starting and turning off the engine ............................ 142
Steering column, telescopic
Adjusting ...................................................................... 63
Warning lamp ............................................................ 182
Steering lock ................................................................... 140
Storage compartments ...................................................113
Armrest ........................................................................113
Center console ............................................................113
Glove box .....................................................................112
Trunk floor ................................................................. 196
Stowing things in the vehicle ...................................... 188
Sun visors ........................................................................ 111
Supplemental restraint system (SRS) ........................... 51
Indicator lamp ........................................................... 180
SRS malfunction ......................................................... 54
Synchronizing remote control .....................................225
TTachometer ........................................................................ 74
Technical data ................................................................ 248
Electrical system .......................................................251
Main Dimensions ...................................................... 251
Rims – Tires .............................................................. 249
Weights ....................................................................... 251
Tele Aid ............................................................................ 130
Emergency calls ........................................................ 131
Information ................................................................ 134
Initiating an emergency call manually .................. 132
Roadside Assistance ................................................. 133
Telephones and two-way radio .....................................128
Telescoping steering column
Adjusting ......................................................................63
Warning lamp ............................................................ 182
The first 1 000 miles (1 500 km) ................................129
Tires
Consumer information ............................................ 258
Driving instructions ................................................. 157
Rims and tires .......................................................... 249
Rotating wheels ......................................................... 199
Tire inflation pressure ............................................ 209
Tire replacement ....................................................... 198
Tire speed rating ....................................................... 159
Page 272 of 273

Service and Literature
Your authorized Mercedes-Benz Center has trained technicians and original Mercedes-Benz parts to service your
vehicle properly. For expert advice and quality service, see your authorized Mercedes-Benz Center.
If your are interested in obtaining service literature for your vehicle, please contact your authorized Mercedes-Benz
Center. We consider this the best way for you to obtain accurate information for your vehicle.
For further information you can find us on the Mercedes-Benz web-site www.mbusa.com.
We reserve the right to modify the technical details of the vehicle as given in the data and illustrations of this
Operator’s Manual. Reprinting, translation and copying, even of excerpts, is not permitted without our prior
authorization in writing.
Title illustration no.P00.00-2865-26
Press time10/31/00
MBUSA / TI
Printed in the U.S.A.Wa r n i n g !
To help avoid personal injury, be extremely careful when performing any service work or repairs. Improper
or incomplete service or the use of incorrect or inappropriate parts or materials may damage the vehicle or its
equipment, which may in turn result in personal injury.
If you have any question about carrying out some service, turn to the advice of an authorized Mercedes-Benz
Center.