2007 MERCEDES-BENZ CLK550 COUPE oil additives

Contents
Replacing bulbs ................................. 406
Bulbs ............................................ 407
Replacing bulbs for front lamps.... 409
Replacing bulbs for rear lamps ..... 411
Replacing wiper blades ...................... 413
Removing and installing
wiper blades ................................. 413
Flat tire .............................................. 415
Preparing the vehicle.................... 415
Mounting the Minispare wheel ..... 416
MOExtended system*................... 420
Battery ............................................... 421
Disconnecting the battery ............ 422
Removing the battery ................... 423
Charging and reinstalling
the battery.................................... 423
Reconnecting the battery ............. 424
Jump starting ..................................... 425
Towing the vehicle ............................. 427
Towing the vehicle........................ 427
Installing towing eye bolt.............. 429
Fuses ................................................. 431
Main fuse box
in passenger compartment .......... 432
Fuse box in engine compartment . 433
Fuse box in trunk.......................... 434
Technical data................................. 435
Parts service ...................................... 436
Warranty coverage............................. 437
Loss of Service and Warranty
Information Booklet ..................... 437
Identification labels ........................... 438
Layout of poly-V-belt drive ................. 440
CLK 350/CLK 550 ....................... 440
Engine................................................ 441
Rims and tires.................................... 442
Same size tires ............................. 443
Mixed size tires ............................ 444
Minispare wheel ........................... 445
Electrical system ............................... 446
Main dimensions and weights............ 447
Main dimensions .......................... 447
Weights ........................................ 447
Fuels, coolants, lubricants, etc. ......... 448
Capacities .................................... 448
Engine oils.................................... 450
Engine oil additives ...................... 450
Air conditioning refrigerant .......... 450
Brake fluid .................................... 450
Premium unleaded gasoline ......... 451
Fuel requirements ........................ 451Gasoline additives ........................ 452
Coolants ...................................... 453
Windshield washer system and
headlamp cleaning system*......... 455
Index................................................. 457

308 Operation
Engine compartment
Engine oil
The amount of oil your engine needs will
depend on a number of factors, including
driving style. Higher oil consumption can
occur when

the vehicle is new

the vehicle is driven frequently at
higher engine speeds
Engine oil consumption checks should only
be made after the vehicle break-in period.
Checking engine oil level
When checking the oil level

the vehicle must be parked on level
ground.

with the engine at operating tempera-
ture yet, the vehicle must have been
stationary for at least 5 minutes with
the engine turned off.

with the engine not at operating tem-
perature, the vehicle must have been
stationary for at least 30 minutes with
the engine turned off.
1Oil dipstick
2Upper (max) mark
3Lower (min) mark
To check the engine oil level with the oil
dipstick, do the following:
Open the hood (page 306).
Pull out oil dipstick1.
Wipe oil dipstick1 clean.
Fully insert oil dipstick1 into the
dipstick guide tube.
Pull out oil dipstick1 again after
approximately 3 seconds to obtain ac-
curate reading.
The oil level is correct when it is be-
tween the lower (min) mark3 and
upper (max) mark2 of oil dipstick1.
If necessary, add engine oil.
For adding engine oil, see “Adding en-
gine oil” (
page 309).
iDo not use any special lubricant additives,
as these may damage the drive assemblies. Us-
ing special additives not approved by
Mercedes-Benz may cause damage not covered
by the Mercedes-Benz Limited Warranty. More
information on this subject is available at any
Mercedes-Benz Center.iCLK 350:
The filling quantity between the upper and lower
marks on the oil dipstick is approximately
2.1 US qt. (2.0 l).
CLK 550:
The filling quantity between the upper and lower
marks on the oil dipstick is approximately
1.6 US qt. (1.5 l).

450 Technical data
Fuels, coolants, lubricants, etc.
Engine oils
Engine oils are specifically tested for their
suitability in our engines and durability for
our service intervals. Therefore, only use
approved engine oils and oil filters re-
quired for vehicles with Maintenance
System (U.S. vehicles) or FSS (Canada
vehicles). For a listing of approved engine
oils and oil filters, refer to the Factory Ap-
proved Service Products Pamphlet, or
contact an authorized Mercedes-Benz
Center.
Engine oil additives
Do not blend oil additives with engine oil.
They may damage the engine.
Damage or malfunctions resulting from
blending oil additives are not covered by
the Mercedes-Benz Limited Warranty.
Air conditioning refrigerant
R-134a (HFC) refrigerant and special PAG
lubricating oil are used in the air
conditioning system.
Never use R-12 (CFC) or mineral-based
lubricating oil. Otherwise damage to the
system will occur.
Brake fluid
During vehicle operation, the boiling point
of the brake fluid is continuously reduced
through the absorption of moisture from
the atmosphere.
Only brake fluid approved by
Mercedes-Benz is recommended. An
authorized Mercedes-Benz Center will
provide you with additional information.
!Using engine oils and oil filters of specifica-
tion other than those expressly required for the
Maintenance System (U.S. vehicles) or FSS
(Canada vehicles), or changing of oil and oil filter
at change intervals longer than those called for
by the Maintenance System (U.S. vehicles) or
FSS (Canada vehicles) will result in engine or
emission control system damage not covered by
the Mercedes-Benz Limited Warranty. Please follow Maintenance System
(U.S. vehicles) or FSS (Canada vehicles) recom-
mendations for scheduled oil changes. Failure to
do so will result in engine or emission control
system damage not covered by the
Mercedes-Benz Limited Warranty.
Warning!G
Under extremely strenuous operating condi-
tions, this moisture content can lead to the
formation of bubbles in the system, thus re-
ducing the system’s efficiency.
Therefore, the brake fluid must be replaced
regularly. Refer to your vehicle's Mainte-
nance Booklet for replacement interval.

462 Index
Emergency tensioning device see ETD
Emergency, In case of
Battery, Jump starting 425
First aid kit 394
Flat tire, Changing 415
Fuses 431
Hazard warning flasher 135
Roadside Assistance 12, 282
Towing the vehicle 427
Emission control 302
Emission control information label 439
Emission control vacuum line
routing diagram label 439
Emission system warranties 10
Engine
Belt layout 440
Block heater (Canada only) 342
Break-in recommendations 292
Cleaning 348
Compartment 306
Malfunction indicator lamp 27, 359
Maximum engine speed 441
Message in display 380
Number 439
Starting 50
Starting difficulties 52Starting with KEYLESS-GO* 51
Starting with SmartKey 51
Technical data 441
Turning off 60
Turning off with KEYLESS-GO* 61
Turning off with SmartKey 61
Engine coolant see Coolant
Engine oil 308, 450
Adding 309, 450
Additives 450
Changing 309, 450
Checking level 305, 308
Consumption 308
Filler cap 309
Filler neck 309
Engine oil level 305
ESP
®91
Messages in display 370–371
Warning lamp 362
ETD 78
Safety guidelines 68
Exterior rear view mirrors 45, 180
Exterior view 22F
Filler cap, Engine oil 309
Filler neck, Engine oil 309
First aid kit 394
Flat tire 415
Jacking up the vehicle 416
Lowering the vehicle 419
Minispare wheel 397
Mounting the spare wheel 416
Preparing the vehicle 415
Flexible Service System
see FSS (Canada vehicles)
Floormats* 275
Fluids
Brake fluid 305, 450
Engine coolant 305
Engine oil 305, 450
Windshield washer and headlamp
cleaning* system 305, 449
Fog lamps 132, 407
Messages in display 387
Replacing bulbs 407, 408, 411
Front air bags 69
Front lamps see Headlamps

463 Index
Front passenger front air bag 65, 69
Messages in display 372–375
Front passenger front
air bag off indicator lamp 29, 74, 366
Front seat head restraints
see Head restraints
FSS (Canada vehicles) 343
Fuel 304, 449
Additives 452
Automatic transmission fluid 448
Brake fluid 448
Capacities 448
Capacities, Fuel tank 449
Engine coolant 449
Engine oil 448
Filling the tank 303
Fuel display 27
Fuel filler flap and cap 303
Fuel filler flap and cap, Multifunction
display messages 383
Fuel reserve warning lamp 363
Power steering fluid 448
Premium unleaded
gasoline 304, 449, 451
Requirements, Octane rating 451
Technical data 449Fuel cap
Message in display 360
Fuel consumption statistics
After start 163
Resetting 164
Since last reset 164
Fuel filler flap 303
Locking/unlocking 303
Opening 304
Fuel reserve warning lamp 27
Fuel tank
Capacity 449
Filler flap 303
Message in display 385
Fuel, Premium unleaded
gasoline 304, 449, 451
Fuels, coolants, lubricants etc.
Capacities 448
Fuses 431
Fuse box (main)
in passenger compartment 432
Fuse box
in engine compartment 433
Fuse box
in trunk 434
Replacing 431G
Garage door opener 31, 285
Gasoline see Fuel
GAWR 337
Gear range
Automatic transmission 173
Limiting 173
Shifting into optimal 176, 178
Gear selector lever 50, 168
Cleaning 353
Gearshift pattern 168
Lock 51
Message in display 376
Position 169, 170
Position indicator 141
Shifting procedure 169
Unlocking in an emergency 401
Gear selector lever one-touch gearshifting
Automatic transmission 175
Global locking/unlocking
see Key, SmartKey or KEYLESS-GO*

474 Index
T
Tachometer 27, 140
Overspeed range 140
Tail lamps
Cleaning lenses 350
Messages in display 389
Replacing bulbs 407, 411
Tar stains 347
Technical data
Air conditioning refrigerant 450
Brake fluid 450
Capacities fuels, coolants,
lubricants etc. 448, 449
Coolant 449, 453
Electrical system 446
Engine 441
Engine oil 450
Engine oil additives 450
Fuel capacity 449
Fuel requirements 451
Gasoline additives 452
Lubricants 448
Premium unleaded gasoline 451
Rims and tires 442
Tires, Mixed size 444
Tires, Same size 443Tires, Spare wheel sizes 445
Vehicle dimensions 447
Weights 447
Windshield washer and headlamp
cleaning* system 449, 455
Tele Aid 31, 279
Call priority 284
Emergency calls 280
Hands-free microphone 31
Information 283
Initiating an
emergency call manually 281
Messages in display 393
Remote door unlock 284
Roadside Assistance 282
SOS button 281
Stolen Vehicle Recovery
services 285
System self-check 279
Tele Aid System 279Telephone* 28, 165, 276
Answering/ending a call 166
Changing mobile phone cradle 278
Hands-free microphone 31
Inserting in cradle 277
Installing a different
mobile phone cradle 278
Messages in display 393
Operation 165, 230
Phone book 166
Redialing 167
Removing from cradle 278
TEL menu* 165
Temperature
Interior temperature 188, 198
Tie-down rings, Trunk 267
Tightening torque, Wheel bolts 419
Tilt/sliding sunroof*
see Power tilt/sliding sunroof*
Time 156
Time, Setting 156
TIN 339
Tire and Loading Information
Placard 317
Terminology 337