Page 9 of 489

ContentsTowing the vehicle ............................. 432
Towing the vehicle........................ 432
Installing towing eye bolt.............. 434
Fuses ................................................. 436
Aids for replacing fuses ................ 436
Main fuse box in passenger
compartment................................ 437
Fuse box in engine compartment . 437
Fuse box in trunk.......................... 438
Technical data................................. 439
Parts service ...................................... 440
Warranty coverage............................. 441
Loss of Service and Warranty
Information Booklet ..................... 441
Identification labels ........................... 442
Layout of poly-V-belt drive ................. 443
CLK 350 ....................................... 443
CLK 500 ....................................... 443
Engine................................................ 444
Rims and tires.................................... 445
Same size tires ............................. 447
Mixed size tires ............................ 448
Minispare wheel ........................... 449
Electrical system ............................... 450
Main dimensions and weights............ 451
Main dimensions .......................... 451
Weights ........................................ 451Fuels, coolants, lubricants, etc. ......... 452
Capacities .................................... 452
Engine oils ................................... 454
Engine oil additives ...................... 454
Air conditioning refrigerant .......... 454
Brake fluid.................................... 454
Premium unleaded gasoline ......... 455
Fuel requirements ........................ 455
Gasoline additives ........................ 456
Coolants ...................................... 457
Windshield washer system and
headlamp cleaning system*......... 459
Technical terms............................... 461Index................................................. 467
Page 360 of 489
359 Practical hints
What to do if …?
Where will I find...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Resetting activated head restraints
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses
Page 399 of 489
398 Practical hintsWhere will I find...?First aid kit
The first aid kit is located in the trunk on
the left side secured by a hook and loop
fastener.
Loosen hook and loop fastener.
Remove first aid kit.
Vehicle tool kit
The vehicle tool kit is located in the storage
compartment underneath the trunk floor.
The following is included:
Towing eye bolt
Wheel wrench
Alignment bolt
Vehicle jack
Collapsible wheel chock
Spare fuses
A pair of gloves
The spare wheel bolts are fixed at the
Minispare wheel.Removing the vehicle tool kit
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Retaining screw
2Storage well casing
Loosen retaining screw1 in the mid-
dle of storage well casing by turning it
counterclockwise.
Remove storage well casing2.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.
Page 437 of 489

436 Practical hintsFusesFuses are designed to protect the electri-
cal circuits in your vehicle from a short cir-
cuit. If a fuse is blown, the component(s)
and systems secured by that fuse will stop
operating.
The following aids are available to help you
replace fuses (
page 436):
Fuse chart
Spare fuses
Fuse extractor
The electrical fuses are located in different
fuse boxes:
Main fuse box in passenger
compartment (
page 437)
Fuse box in engine compartment
(page 437)
Fuse box in trunk (
page 438)
Aids for replacing fuses
Fuse chart
The fuse chart is located in the main fuse
box in the passenger compartment
(page 437). The amperages of the fuses
are also given there.
Spare fuses
Spare fuses are located in the vehicle tool
kit in the spare wheel well (
page 399).
Fuse extractor
The fuse extractor is located in the cover of
the auxiliary fuse box in the trunk
(
page 438).
Warning!
G
Only use fuses approved for Mercedes-Benz
with the specified amperage for the system
in question. Using other fuses may cause an
overload leading to a fire, and/or cause
damage to electrical components and/or
systems.
!Never attempt to repair or bridge a
blown fuse. Have the cause determined
and remedied by an authorized
Mercedes-Benz Center.!Keep the fuse boxes free by contamina-
tion and wetness. Otherwise, electrical
parts or systems could be damaged.
Page 438 of 489
437 Practical hintsFuses
Main fuse box in passenger compartment
The main fuse box is located in the passen-
ger compartment on the driver’s side of
the cockpit.
1Main fuse box coverOpening fuse box
Open the driver’s door.
Insert flat, blunt object as a lever into
the edge of the fuse box cover1 at
the position indicated by the arrow.
Loosen fuse box cover1 from cockpit
using lever.
Using your hands, remove fuse box
cover1 rearward.
Closing fuse box
Attach fuse box cover1 in the front.
Fold fuse box cover1 in until it
engages.
Fuse box in engine compartment
The fuse box is located in the engine com-
partment on the driver’s side.
1Cover
2Screw
3Retainer
Removing cover
Twist screws2 90° counterclock-
wise.
Lift the rear of cover1.
Slide out retainer3 and remove
cover1 by pulling towards front.
!Do not use sharp objects such as a
screw driver to open the fuse box
cover1 in the cockpit, as this could
damage it.
Page 439 of 489
438 Practical hintsFusesOpening fuse box
4Fuse box cover
5Clamps
With a dry cloth, remove any moisture
from the fuse box.
Release clamps5.
Remove fuse box cover4.
Closing fuse box
Make sure that the sealing rubber is
properly positioned.
Press fuse box cover4 down and
secure with clamps5.Installing cover
Insert cover1 sideways into
retainer3.
Twist screws2 90° clockwise.
Fuse box in trunk
The fuse box is located in the trunk behind
the left-hand trim panel.
1Trim panel
2Fuse extractor
3Fuse box coverOpening fuse box
Pull away trim panel1.
Remove fuse box cover3.
Closing fuse box
Place fuse box cover3 back on.
Press trim panel1 back into place.
Page 473 of 489

472 IndexE
Easy-entry/exit feature 42, 164
Electrical fuses see Fuses
Electrical outlet 277
Electrical system, Technical data 450
Electronic Stability Program see ESP
®
Emergency call system* 279
Emergency calls
911 calls 244
Tele Aid calls 281, 282
Emergency operation
(Limp-Home Mode) 179
Emergency operations
Active head restraints, Resetting 408
Center console,
Indicator lamps 368–369
Gear selector lever, Unlocking 406
Instrument cluster,
Indicator lamps 360–367
Power tilt/sliding sunroof*,
Manual operation 407
Remote door unlock 286
Trunk lid, Releasing from inside 118
Trunk lid, Unlocking 405
Unlocking/locking the vehicle 404Emergency tensioning device see ETD
Emergency, In case of
Battery, Jump starting 430
First aid kit 398
Flat tire, Changing 420
Fuses 436
Hazard warning flasher 137
Roadside Assistance 12, 282
Towing the vehicle 432
Emission control 303
Emission control information label 442
Emission control vacuum
line routing diagram label 442
Emission system warranties 10
Engine
Belt layout 443
Block heater (Canada only) 347
Break-in recommendations 294
Cleaning 353
Compartment 308
Malfunction indicator lamp 25, 362
Maximum engine speed 444
Message in display 384
Number 442, 462
Starting 48
Starting difficulties 50Starting with KEYLESS-GO* 49
Starting with SmartKey 49
Technical data 444
Turning off 58
Turning off with KEYLESS-GO* 58
Turning off with SmartKey 58
Engine coolant see Coolant
Engine oil 309, 454
Adding 312, 454
Additives 454
Changing 312, 454
Checking level 307, 310
Checking level (Dipstick) 311
Consumption 309
Filler cap 313
Filler neck 313
Messages in display 310, 388
Viscosity 462
Engine oil level 307, 310
ESP
®
90, 462
Messages in display 374–375
Warning lamp 365
ETD 72, 462
Safety guidelines 66
Exterior rear view mirrors 43, 181
Parking position 164, 182
Page 474 of 489

473 Index
F
Filler cap, Engine oil 313
Filler neck, Engine oil 313
First aid kit 398
Flat tire 420
Jacking up the vehicle 421
Lowering the vehicle 424
Minispare wheel 401
Mounting the spare wheel 421
Preparing the vehicle 420
Flexible Service System see
FSS (Canada vehicles)
Floormats* 277
Fluids
Brake fluid 307, 454
Engine coolant 307
Engine oil 307, 454
Windshield washer and headlamp
cleaning* system 307, 453
Fog lamps 134, 413
Messages in display 392
Replacing bulbs 412, 413, 417
Front air bags 67
Front lamps see Headlamps
Front passenger front air bag 63, 67
Messages in display 376–379Front passenger front
air bag off indicator lamp 27, 81, 368
Front seat head restraints see
Head restraints
FSS (Canada vehicles) 348, 462
Fuel 306, 453
Additives 456
Automatic transmission fluid 452
Brake fluid 452
Capacities 452
Capacities, Fuel tank 453
Engine coolant 453
Engine oil 452
Filling the tank 305
Fuel display 25
Fuel filler flap and cap 305
Fuel filler flap and cap, Multifunction
display messages 387
Fuel reserve warning lamp 365
Power steering fluid 452
Premium
unleaded gasoline 306, 453, 455
Requirements, Octane rating 455
Technical data 453
Fuel cap
Message in display 363Fuel consumption statistics
After start 165
Resetting 166
Since last reset 166
Fuel filler flap 305
Locking/unlocking 305
Opening 305
Fuel reserve warning lamp 25
Fuel tank
Capacity 453
Filler flap 305
Message in display 390
Fuel, Premium
unleaded gasoline 306, 453, 455
Fuels, coolants, lubricants etc.
Capacities 452
Fuses 436
Aids for changing fuses 436
Fuse box (main)
in passenger compartment 437
Fuse box in engine compartment 437
Fuse box in trunk 438
Fuse chart 436
Fuse extractor 436
Replacing 436
Spare fuses 436