Fuse chart No.Accessory/ComponentAmperageColor0046Engine25 ANeutral0047Windshield wipers25 ANeutral008APower window, left and right20 AYellow0088Blower25 ANeutral0086Front fog lamps10 ARed0087Right parking lamp, license plate lamps7.5 ABrown006ELeft parking lamp7.5 ABrown006FEngine25 ANeutral0070Engine7.5 ABrown0071Engine15 ABlue0072ESP®25 ANeutral0073Switches strip, on-board diagnostics socket, turn
signal lamps, transmission control unit, exterior
lamp switch10 ARed0074Spare fuse (without function)15 ABlue0075Charge air cooler, air conditioning compressor15 ABlue0076Audio, subwoofer, interior lighting, soft top
(cabriolet only)15 ABlue0077Fuel pump15 ABlue0078Rear window wiper (coupé only)15 ABlue0079ESP ®
, EPS*, air bag, instrument cluster10 ARed007AEngine control unit, on-board diagnostics socket,
transmission control unit7.5 ABrown007BAir conditioning system, exterior rear view mirror
adjustment, washer pump, audio, seat heating, gear
selector lever control unit, wiper switch10 ARed007CAuxiliary power outlet, cigarette lighter15 ABlue007DLeft low‑beam headlamp7.5 ABrown007ERight low‑beam headlamp7.5 ABrown007FBrake lamps, rain-light sensor*15 ABlue192Fuses>> Practical hints.* optional451_AKB; 3; 22, en-USd2ureepe,Version: 2.11.8.12009-07-27T09:36:34+02:00 - Seite 192
CapacitiesComponentsModelCapacityFuels, coolants, lubricants,
etc.Engine with oil
filterAll models3.5 US qt (3.3 l)Approved engine oilsTransmissionAll models2.4 US qt (2.3 l)Castrol Manual BOT 328Brake systemAll models1.05 US qt (1.0 l)Brake fluid (DOT 4+)Cooling systemAll modelsapprox. 4.5 US qt (4.3 l)Anticorrosion/Antifreeze
meeting specification
MB 325.0Fuel tankAll models8.72 US gal (33.0 l)Premium unleaded gasoline
(Minimum Posted Octane 91
[Avg. of 96 RON/86 MON])Fuel tank
reserveAll modelsapprox. 1.32 US gal (5.0 l)Air
conditioning
system*All models—R134a refrigerant and
special PAG lubricant oil
(never R 12)Windshield
washer systemAll models4.0 US qt (3.8 l)Windshield washer
concentrate 25
(Y page 208)
Washer fluid mixing ratio
( Y page 208)Engine oils
Engine oils are specifically tested for
their suitability in our engines and
durability for our service intervals.
Therefore, only use engine oils and oil
filters required for vehicles with the
Maintenance System. For a listing of
approved engine oils and oil filters
contact an authorized smart center.
! Using engine oils and oil filters of
specification other than those expressly
required for the Maintenance System, or
changing of oil and oil filter at change
intervals longer than those called for bythe Maintenance System will result in
engine or emission control system
damage not covered by the smart Limited
Warranty.
Please follow Maintenance System
recommendations for scheduled oil
changes. Failure to do so will result in
engine or emission control system
damage not covered by the smart Limited
Warranty.25 Use a windshield washer concentrate labeled for summer and water for temperatures above freezing
point or a windshield washer concentrate labeled for winter and water for temperatures below freezing
point.206Service fluids and capacities>> Technical data.* optional451_AKB; 3; 22, en-USd2ureepe,Version: 2.11.8.12009-07-27T09:36:34+02:00 - Seite 206
Viscosity grades for engine oils
Using the chart below, select oil viscosity
according to the lowest air temperature
expected before the next oil change.
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 smart Limited Warranty. Any
authorized smart center will provide you
with additional information.
Air conditioning refrigerant
R134a (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
GWarning!
During vehicle operation, the boiling
point of the brake fluid is continuously
reduced through the absorption of moisture
from the atmosphere. Under extremely
strenuous operating conditions, this
moisture content can lead to the formation
of bubbles in the system, thus reducing the
system’s efficiency.
Therefore, the brake fluid must be replaced
regularly. Refer to your vehicle’s
Maintenance Booklet for replacement
interval.
Only brake fluid approved by smart is
recommended. Any authorized smart center
will provide you with additional
information.
Premium unleaded gasoline
GWarning!
Gasoline is highly flammable and
poisonous. It burns violently and can cause
serious personal injury.
Never allow sparks, flame or smoking
materials near gasoline!
Turn off the engine before refueling.
Whenever you are around gasoline, avoid
inhaling fumes and skin or clothing
contact. Extinguish all smoking materials.
Direct skin contact with fuels and the
inhalation of fuel vapors are damaging to
your health.
! To maintain the engine’s durability
and performance, premium unleaded
gasoline must be used. If premium
unleaded gasoline is not available and
low octane fuel is used, follow these
precautions:
R Have the fuel tank only partially filled
with unleaded regular gasoline and
fill up with premium unleaded
gasoline as soon as possible.
R Avoid full throttle driving and abrupt
acceleration.
R Do not exceed an engine speed of
3 000 rpm if the vehicle is loaded with
Service fluids and capacities207>> Technical data.451_AKB; 3; 22, en-USd2ureepe,Version: 2.11.8.12009-07-27T09:36:34+02:00 - Seite 207Z
