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4 Contents
Battery ............................................. 210
Jump starting .................................. 212
Towing the vehicle ......................... 214
Transmission selector lever,
manually unlocking .................. 217
Exterior lamps ................................ 218
Headlamp assembly ................... 219
Taillamp assemblies ..................222
Changing batteries in the
remote control ...........................224
Synchronizing
remote control ............................225
Emergency engine shut-down .....226
Raising hardtop manually ............226
Replacing wiper blade insert ....... 231
Antenna ...........................................232
Manual release of
fuel filler flap .............................232
Vehicle careCleaning and care
of the vehicle .............................234
Power washer ..............................235Paintwork, painted body
components ................................ 235
Tar stains .................................... 235
Engine cleaning ......................... 236
Vehicle washing ......................... 236
Headlamps, taillamps,
turn signal lenses ...................... 237
Window cleaning ....................... 237
Rear window cleaning .............. 237
Wiper blades .............................. 238
Light alloy wheels ..................... 238
Instrument cluster ..................... 238
Steering wheel and
gear selector lever ..................... 239
Cup holder .................................. 239
Hard plastic trim items ............. 239
Plastic and rubber parts ........... 239
Headliner and shelf
behind roll bars .......................... 239
Upholstery .................................. 239
Seat belts ..................................... 240
Technical data
Spare parts service ........................242
Warranty coverage .........................242
Identification labels ......................243
Layout of poly-V-belt drive ............245
Technical data ................................248
Fuels, coolants, lubricants
etc. – capacities .........................252
Engine oils ......................................254
Engine oil additives .......................254
Air conditioner refrigerant ...........254
Brake fluid ......................................254
Premium unleaded gasoline ........255
Fuel requirements .........................255
Gasoline additives .........................256
Coolants ...........................................256
Consumer information ..................258IndexIndex ................................................260
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11 IntroductionWhere to find it
The Operator’s Manual is divided into eight sections:
• Instruments and controls: An overview of all the controls that can be operated from the driver’s seat.
•Operation: Information on the vehicle’s equipment and its operation.
•Driving: Important information on driving.
• Instrument cluster display: Indicator lamps on the instrument cluster with brief instructions.
• Practical hints: Assistance and instructions in the event of an emergency.
• Car care: Instructions on caring for your vehicle.
• Technical data: All the important technical data for your vehicle as well as consumer information such as fuels,
coolants, lubricants etc. is contained here.
•Index: Key terms to help you find a topic quickly.
Other documents may also be supplied, depending on your vehicle’s equipment.
Explanation of color used:
Warning notices for the protection of yourself and
others appear on red background.
Page 94 of 273

91 Audio system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Audio and telephone, operation
These instructions are intended to help you become
acquainted with your Mercedes- Benz car radio. They
contain useful tips and a detailed description of the user
functions.
The right to correct errors and make technical amendments is
reserved.
Operating safety1 Optional equipment
Dolby and the double-D symbol
Ù
are trademarks of Dolby
Laboratories Licensing Corporation. The Dolby noise reduction
system is manufactured under licence from Dolby Laboratories
Licensing Corporation.
Wa r n i n g !
In order to avoid distraction which could lead to an
accident, system settings should be entered with
the vehicle at standstill and systems should be
operated by the driver only when traffic conditions
permit. Always pay full attention to traffic
conditions first before operating system controls
while driving. Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your car is covering a
distance of approximately 50 feet (approximately
14 m ) e v e r y s e c o n d .
Wa r n i n g !
Any alternations made to electronic components
can cause malfunctionsThe radio, cassette deck, CD changer
1 and
telephone
1 are interconnected. Therefore, when
one of the components is defective or has not been
removed / replaced properly this may impair the
function of other components.
These malfunctions might seriously impair the
operating safety of your vehicle.We recommend that you have any service work or
alternations on electronic components done in an
authorized Mercedes-Benz Center.
Page 244 of 273
241 Contents - Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Technical dataSpare parts service ........................242
Warranty coverage .........................242
Identification labels .......................243
Layout of poly-V-belt drive ............245
Technical data ................................248
Fuels, coolants, lubricants
etc. – capacities .........................252Engine oils ...................................... 254
Engine oil additives ...................... 254
Air conditioner refrigerant .......... 254
Brake fluid ...................................... 254
Premium unleaded gasoline ........ 255
Fuel requirements ........................ 255
Gasoline additives ......................... 256
Coolants .......................................... 256
Consumer information ................. 258
Page 245 of 273

242 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Spare parts service
All authorized Mercedes-Benz Centers maintain a stock
of original spare parts required for maintenance and
repair work. In addition, strategically located parts
distribution centers provide quick and reliable parts
service.
More than 300 000 different spare parts, for
Mercedes-Benz models, are available.
Mercedes-Benz original spare parts are subjected to
stringent quality inspections. Each part has been
specifically developed, manufactured or selected for and
adapted to Mercedes-Benz vehicles.
Therefore, Mercedes-Benz original spare parts should
be installed.
Important!
The use of non-genuine parts and accessories not
authorized by Mercedes-Benz could damage the vehicle
which damage is not covered by the Mercedes-Benz
Limited Warranty, or compromise its durability or
safety.Wa r r a n t y c o v e r a g e
Your vehicle is covered under the terms of the
“warranties” printed in the Service and Warranty
Information booklet and your authorized
Mercedes-Benz Center will exchange or repair any
defective parts originally installed on the vehicle in
accordance with the terms of the following warranties:
1.New vehicle limited warranty
2.Emission system warranty
3.Emission performance warranty
4.California, Massachusetts, and Vermont emission
control systems warranty
Replacement parts and accessories are covered by the
Mercedes-Benz Spare Parts and Accessories warranties,
copies of which are available at any Mercedes-Benz
Center.
Loss of Service and Warranty Information Booklet
Should you lose your Service and Warranty Information
booklet, have your authorized Mercedes-Benz Center
arrange for a replacement. It will be mailed to you.
Page 246 of 273
243 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Identification labels
1Certification Label and Paintwork No.2Vehicle Identification No. (VIN)
3Engine No.
1P63.20-2446-26
P62.10-2022-263
2
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244 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
4VIN, visible (lower edge of windshield)
5Emission control label
6Information Label California version
Vacuum line routing for emission control system
When ordering spare parts, please specify vehicle
identification and engine number.
Page 248 of 273
245 Technical data
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Layout of poly-V-belt drive
SLK 230 Kompressor
routing, belt I
The engine is equipped with two poly-V-belts.
1Crankshaft
2Air conditioner compressor
3Power steering pump
4Coolant pumpSLK 230 Kompressor
routing, belt II
For dimensions of the poly-V-belts, see page 248.
5Idler pulley
6Generator (alternator)
7Idler pulley
8Idler pulley
9Supercharger
P13.20-2007-26
9
6
8
7
4
1
5
32
5
32
9
6
8
4
1
7
P13.20-2008-26