2006 MERCEDES-BENZ SLK55AMG fuel

452 Technical dataFuels, coolants, lubricants, etc.Premium unleaded gasoline
Fuel requirements
Only use premium unleaded fuel:

The octane number (posted at the
pump) must be 91 min. It is an average
of both the Research (R) octane num-
ber and the Motor (M) octane number:
(R+M) / 2). This is also known as the
ANTI-KNOCK INDEX.
Unleaded gasoline containing oxygenates
such as ethanol, IPA, IBA, and TBA can be
used provided the ratio of any one of these
oxygenates to gasoline does not exceed
10%; MTBE not to exceed 15%.
The ratio of methanol to gasoline must not
exceed 3% plus additional cosolvents.
Using mixtures of ethanol and methanol is
not allowed. Gasohol, which contains
10% ethanol and 90% unleaded gasoline,
can be used.
These blends must also meet all other fuel
requirements, such as resistance to spark
knock, boiling range, vapor pressure, etc.
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious inju-
ry. Whenever you are around gasoline, avoid
inhaling fumes and skin contact, extinguish
all smoking materials. Never allow sparks,
flame or smoking materials near gasoline!
!To maintain the engine’s durability and
performance, premium unleaded gaso-
line must be used. If premium unleaded
is not available and low octane fuel is
used, follow these precautions:

Have the fuel tank only partially
filled with unleaded regular and fill
up with premium unleaded as soon
as possible.


Avoid full throttle driving and abrupt
acceleration.


Do not exceed an engine speed of
3 000 rpm if the vehicle is loaded
with a light load such as two per-
sons and no luggage.


Do not exceed
2/3of maximum ac-
celerator pedal position if the vehi-
cle is fully loaded or operating in
mountainous terrain.

453 Technical data
Fuels, coolants, lubricants, etc.
Gasoline additives
A major concern among engine manufac-
turers is carbon build-up caused by gaso-
line. Mercedes-Benz only recommends the
use of quality gasoline containing additives
that prevent the build-up of carbon depos-
its.
After an extended period of using fuels
without such additives, carbon deposits
can build up especially on the intake valves
and in the combustion area, leading to
engine performance problems such as:

Warm-up hesitation


Unstable idle


Knocking/pinging


Misfire


Power lossIn areas where carbon deposits may be
encountered due to lack of availability of
gasolines which contain these additives,
Mercedes-Benz recommends the use of
additives approved by us for use on
Mercedes-Benz vehicles. Refer to the
Factory Approved Service Products pam-
phlet for a listing of approved product(s).
Follow directions on product label.
Do not blend other fuel additives with fuel.
This only results in unnecessary costs and
may be harmful to engine operation.
Damage or malfunction resulting from
poor fuel quality or from blending addition-
al fuel additives other than those tested
and approved by us for use on
Mercedes-Benz vehicles listed in the
Factory Approved Service Products
pamphlet are not covered by the
Mercedes-Benz Limited Warranty.
Coolants
The engine coolant is a mixture of water
and anticorrosion/antifreeze, which pro-
vides:

Corrosion protection


Freeze protection


Boiling protection (by increasing the
boiling point)
The cooling system was filled at the factory
with a coolant providing freeze protection
to approximately -22°F (-30°C) and corro-
sion protection.
If the antifreeze mixture is effective to
-22°F (-30°C), the boiling point of the cool-
ant in the pressurized cooling system is
reached at approximately 266°F (130°C).
The coolant solution must be used year
round to provide the necessary corrosion
protection and increase boil-over protec-
tion. Refer to Maintenance Booklet for in-
formation on replacement intervals.

454 Technical dataFuels, coolants, lubricants, etc.Coolant system design and coolant used
determine the replacement interval. The
replacement interval published in the
Maintenance Booklet is only applicable if
MB 325.0 anticorrosion/antifreeze solu-
tion or other Mercedes-Benz approved
products of equal specification (see
Factory Approved Service Products
pamphlet) are used to renew the coolant
concentration or bring it back up to the
proper level.
To provide important corrosion protection,
the solution must be at least 45% anticor-
rosion/antifreeze (equivalent to freeze
protection to approx. -22°F [-30°C]). If you
use a solution that is more than 55% anti-
corrosion/antifreeze (freeze protection to
approx. -49°F [-45°C]), the engine temper-
ature will increase due to the lower heat
transfer capability of the solution. There-
fore, do not use more than this amount of
anticorrosion/antifreeze.If the coolant level is low, water and
MB Anticorrosion/Antifreeze should be
used to bring it up to the proper level (have
cooling system checked for signs of leak-
age). Please make sure the mixture is in
accordance with label instructions.
The water in the cooling system must meet
minimum requirements, which are usually
satisfied by normal drinking water. If you
are not sure about the water quality, con-
sult an authorized Mercedes-Benz Center.Anticorrosion/antifreeze
Your vehicle contains a number of alumi-
num parts. The use of aluminum compo-
nents in motor vehicle engines
necessitates that anticorrosion/antifreeze
coolant used in such engines be specifical-
ly formulated to protect the aluminum
parts. (Failure to use such anticorro-
sion/antifreeze coolant will result in a
significantly shortened service life.)
Therefore, the following product is strongly
recommended for use in your vehicle:
Mercedes-Benz 325.0
anticorrosion/antifreeze agent.
Before the start of the winter season (or
once a year in hot southern regions), you
should have the anticorrosion/antifreeze
concentration checked. The coolant is also
regularly checked each time you bring your
vehicle to an authorized Mercedes-Benz
Center for service.

455 Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze quantityModel
Approx. freeze protection–35°F (–37°C)
–49°F (–45°C)
SLK 280, SLK 350
5.4 US qt (5.1 l)
6.0 US qt (5.6 l)
SLK 55 AMG
5.9 US qt (5.5 l)
6.4 US qt (6.1 l)

456 Technical dataFuels, coolants, lubricants, etc.Windshield washer system and head-lamp cleaning system*
Both the windshield washer system and
the headlamp cleaning system* are sup-
plied from the windshield washer fluid res-
ervoir.
The washer fluid reservoir has a capacity of
approximately 7.4 US qt (7.0 l).
Refill the reservoir with MB Windshield
Washer Concentrate “S” and water (or
concentrate and commercially avail-
able premixed windshield washer sol-
vent/antifreeze, depending on ambient
temperatures).Windshield washer and headlamp
cleaning* fluid mixing ratio
For temperatures above freezing point, use
MB Windshield Washer Concentrate “S”
and water:


1 part “S” to100 parts water
[40 ml (1.34 fl oz) “S” to 1 gallon (4 l)
water]
For temperatures below freezing point, use
MB Windshield Washer Concentrate “S”
and commercially available premixed
windshield washer solvent/antifreeze:


1 part “S” to 100 parts solvent
[40 ml (1.34 fl oz) “S” to 1 gallon (4 l)
solvent].
Warning!
G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts because it may ignite
and burn. You could be seriously burned.

459 Technical terms
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem’s threshold to tighten the seat
belts. ->SRS
FSS PLUS (Canada vehicles)
(F
lexible S
ervice S
ystem PLUS)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS PLUS evalu-
ates engine temperature, oil level,
vehicle speed, engine speed, distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.
GAWR
(G
ross A
xle W
eight R
ating)
(
page 344)Gear range*
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the selector lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers.
GVW
(G
ross V
ehicle W
eight)
(
page 344)
GVWR
(Gross V
ehicle W
eight R
ating)
(
page 345)Head-thorax air bag
Installed in the doors, these air bags
protect occupants during side impact
collisions exceeding a preset thresh-
old. Unlike normal side air bags,
head-thorax air bags are also designed
to provide protection for the head area.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
coolant temperature and fuel gauge.
Kickdown*
Depressing the accelerator past the
point of resistance shifts the automatic
transmission down to the lowest possi-
ble gear. This very quickly accelerates
the vehicle and should not be used for
normal acceleration needs.
Kilopascal (kPa)
(
page 345)

466 IndexB
BabySmart
TM
Air bag deactivation system 457
Compatible child seats 76, 457
Passenger front air bag off indicator
lamp 77
Back-up lamp 401
Bar 344
BAS 83, 457
Battery (SmartKey)
Replacing 398
Battery (Vehicle) 314, 421
Jump starting 424
Bead 344
Bi-Xenon* 457
Headlamps 401
Brake Assist System see BAS
Brakes 294
Brake fluid 306, 451
Display message 375
SLK 55 AMG 295
Warning lamp 363
Break-in period 292
Bulbs
Front/rear lamps 401
Replacing 400, 401C
CAC 457
California, important notice 11
CAN system 458
Capacities (Fuels, coolants, lubricants,
etc.) 449
Cargo compartment cover 253
Carpets, cleaning 359
Catalytic converter 302
CD
Changer* 219, 266
Player/Changer*, operation 131,
219
CD changer* (Audio system) 223
Center console 28
Lamp 367
Central locking
Automatic 101, 147
From outside (SmartKey) 62
Locking/unlocking from inside 102
Certification label 436
CHECK ENGINE indicator lamp 364
Child safety
Air bags 66
Children in the vehicle 75Cigarette lighter 270
Cleaning tires 319
Climate control 178
Air conditioning 187
Air recirculation mode 185
Control panel, overview 179
Switching on/off 181
Clock 122
Cockpit 458
Overview 22
Cold tire inflation pressure 344
Collapsible tire 458
Collapsible wheel chock 390
COMAND* 122, 458
Navigation 132
Radio transmitter 301
Combination switch 114
High beam flasher 114
High beam headlamps 55, 114
Low beam headlamps 55
Turn signals 55
Windshield wipers 56
Comfort driving
Transmission program mode* 163
Compatible child seat see BabySmart
TM

467 Index
Control system 123, 458
AUDIO menu 129
Convenience* submenu 147
Coolant temperature 128
Instrument cluster submenu 137
Lighting submenu 143
Maintenance service indicator 350
Menus 124
Messages in display 368
Multifunction display 123
Multifunction steering wheel 124
NAV* menu 132
Overview (Menus) 126
Overview (Settings submenus) 136
Resetting 134
Settings menu 134
Standard display 128
TEL* menu 151
Time/date submenu 139
Trip computer menu 149
Vehicle status message memory
menu 132
Vehicle submenu 147
Controller Area Network see CAN systemConvenience closing*
Power windows 249
Retractable hardtop 257
Coolant 313
Adding water 306
Anticorrosion/antifreeze 454
Fuels, coolants, lubricants, etc. 453
Technical data 449
Temperature 303
Temperature, checking (Control
system) 128
Corner-illuminating front fog lamps*
(Lighting) 115
Cruise control 260, 458
Display message 370
Cup holder 268
Curb weight 344
Customer Assistance Center see CACD
Date (Control system) 141, 142
Daytime running lamp mode 112
Control system 143
Deep water see Standing water
Defrosting
Rear window 177
Windshield (Automatic climate
control*) 197
Windshield (Climate control) 184
Department of Transportation see DOT
Difficulties with starting 52
Direction of rotation (Tires) 320
Display text see Messages in display
Doors
Control panel, overview 31
Entry lamps 119
Locking/unlocking from outside 95
Opening from inside 97
Unlocking with Tele Aid 280
DOT 344
Drink holder see Cup holder
Drinking and driving 293
Driver’s air bag see Air bags