2012 MERCEDES-BENZ CLS-Class ECU

Parcel nets are located in the front-passenger
footwell and on the left and right-hand sides
of the trunk.
Rear bench seat through-loading
feature
Important safety notes
GWARNING
When expanding the cargo volume, always
fold the seat backrests fully forward.
Unless you are transporting cargo, the seat
backrests must remain properly locked in the
upright position.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
Always use the cargo tie-down rings.
The left-hand and right-hand rear seat
backrests can be folded down separately to
increase the trunk capacity.
Folding the seat backrest forward
i Vehicles with memory function: when you
fold one or both parts of the rear seat
backrest forwards, the respective front
seat moves forward slightly, when
necessary, in order to avoid contact.
XVehicles without memory function: if
necessary, move the driver's or front-
passenger seat forwards.XOpen the trunk.XPull right-hand or left-hand rear seat
backrest release handle :.
The corresponding rear seat backrest is
released.XFold rear seat backrest ; forwards.XMove the driver's or front-passenger seat
back if necessary.
Folding the seat backrest back
XMove the driver's or front-passenger seat
forward if necessary.
! Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be
damaged.
XFold rear seat backrest : back until it
engages.Stowage areas259Stowing and featuresZ

GWARNING
Always lock the seat backrest in its upright
position when the rear seat bench is
occupied, or the extended cargo volume is not
in use.
Check for secure locking by pushing and
pulling on the seat backrest.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
transporting cargo.
i You should always engage the rear seat
backrests if you do not need the through-
loading feature. This will prevent
unauthorized access to the trunk from the
vehicle interior.
XMove the driver's or front-passenger seat
back if necessary.
Securing loads
Cargo tie-down rings
Observe the following notes on securing
loads:
R secure the load using the cargo tie down
rings.
R do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads.
R do not route tie downs across sharp edges
or corners.
R pad sharp edges for protection.
There are six cargo tie down rings in the trunk.
:Cargo tie down rings
Bag hooks
! The bag hook can bear a maximum load
of 6.6 lbs (3 kg). Do not use it to secure a
load.
XPull bag hook ; down by tab :.
Stowage well under the trunk floor
The TIREFIT kit, the vehicle tool kit, etc. are
located in the stowage compartment.
XTo open: pull handle : upwards.260Stowage areasStowing and features

XHook handle : into rain trough ;.
!
Unhook the handle before again before
closing the trunk lid and clip it in securely
to prevent the handle flap from protruding.
Otherwise, you could damage the handle.
Roof carrier
Important safety notes
GWARNING
Only use roof racks approved by Mercedes-
Benz for your vehicle model to avoid damage
to the vehicle.
Follow the manufacturer's installation
instructions. Otherwise, an improperly
attached roof rack system or its load could
become detached from the vehicle.
Do not exceed the maximum roof load of
220 lb (100 kg).
Take into consideration that when the roof
rack is loaded, the handling characteristics
are different from those when operating the
vehicle without the roof rack loaded.
! Mercedes-Benz recommends that you
only use roof carriers that have been tested
and approved for Mercedes-Benz vehicles.
This helps to prevent damage to the
vehicle.
Position the load on the roof carrier in such
a way that the vehicle will not sustain
damage even when it is in motion.
Ensure that, depending on the vehicle's
equipment, you can raise the sliding
sunroof fully and open the trunk lid fully
when the roof carrier is installed.
! To avoid damaging or scratching the
covers, do not use metallic or hard objects
to open them.
Attaching the roof carrierXOpen covers : carefully in the direction of
the arrow.XFold covers : upwards.XOnly secure the roof carrier to the
anchorage points under covers :.XObserve the manufacturer's installation
instructions.
Features
Cup holders
Important safety notes
GWARNING
In order to help prevent spilling liquids on
vehicle occupants and/or vehicle equipment,
only use containers that fit into the cup
holder. Use lids on open containers and do
not fill containers to a height where the
contents, especially hot liquids, could spill
during braking, vehicle maneuvers, or in an
accident. Liquids spilled on vehicle occupants
may cause serious personal injury. Liquids
spilled on vehicle equipment may cause
damage not covered by the Mercedes-Benz
Limited Warranty.
Features261Stowing and featuresZ

XFold down the rear seat armrest.XTo open: raise the rear seat armrest cover.XPress release catch :.
Cup holder ; folds out forwards.XSwing the rear seat armrest cover back
down, if necessary.XTo close: raise the rear seat armrest cover.
Swing cup holder ; back until it engages.
Bottle holder
GWARNING
Do not transport heavy, sharp-edged, or
fragile bottles in the bottle holder.
In the event of an accident, the bottle holder
cannot secure a bottle sufficiently. You and/
or vehicle occupants could be injured.
! Make sure that any bottles weighing more
than 0.5 kg that are stored in the bottle
holder rest on the vehicle floor. The bottle
holder could otherwise be damaged.
The bottle holder is suitable for bottles sized
between 25 fl. oz. (0.7 l) and 54 fl. oz. (1.5 l).
The bottle holder does not secure the bottles;
it merely prevents them from tipping over.
XPress the outer edge of button : and slide
in the direction of the arrow until the bottle
fits into the opening.XInsert the bottle into the bottle holder.Sun visors
Overview of sun visorsGWARNING
Do not use the vanity mirror while driving.
Keep the vanity mirrors in the sun visors
closed while the vehicle is in motion.
Reflected glare can endanger you and others.
:Mirror light;Bracket=Retaining clip, e.g. for a car park ticket?Vanity mirrorAMirror cover
Vanity mirror in the sun visor
Mirror light : only functions if the sun visor
is clipped into retainer ; and mirror cover
A has been folded up.
Glare from the side
Features263Stowing and featuresZ

XFold down sun visor :.XPull sun visor : out of retainer ;.XSwing sun visor : to the side.XSlide sun visor : forwards and back as
required.
Rear window roller sunblind
GWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts.
GWARNING
When adjusting a roller sunblind, the roller
blind moves up or down. You might become
trapped in the process.
In the event of danger, briefly press the button
for the roller sunblind to change the roller
blind's direction of movement.
! Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged.XTurn the SmartKey to position 2 in the
ignition lock.XTo extend or retract: briefly press
button :.
The roller sunblind fully extends or fully
retracts.
Ashtray
Ashtray in the front-compartment
center console
i You can remove the ashtray insert and
use the resulting compartment for
stowage.
! The stowage space under the ashtray is
not heat resistant. Before placing lit
cigarettes in the ashtray, make sure that
the ashtray is properly engaged. Otherwise,
the stowage space could be damaged.
All vehicles (except AMG)
264FeaturesStowing and features

XTo open: slide cover : forwards until it
engages.XTo remove insert: hold insert = by the
ribbing at the sides and lift it up ; and out.XTo re-install the insert: press insert =
into the holder until it engages.XTo close: press cover : briefly at the
front.
The cover moves back.
AMG vehicles
XTo open: press on trim :.
The stowage compartment opens.
You can now see the ashtray.
Ashtray in the rear-compartment center
console
XTo open: slide cover ; forwards until it
engages.XTo remove the insert: pull insert : up
and out.XTo install the insert: install insert : from
above into the holder and press down into
the holder until it engages.
Cigarette lighter
GWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts.
GWARNING
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Features265Stowing and featuresZ

XPress and hold button =(Y page 277) for
approximately three seconds.
The currently selected zone appears in
compass display ;(Y page 277).XTo select the zone: press
button =(Y page 277) repeatedly until the
desired zone is selected.
The zone has been selected when compass
display ;(Y page 277) shows the heading.
This takes a few seconds.
Calibrating the compass
XMake sure that there is sufficient space for
you to drive in a circle without impeding the
remaining traffic.
In order to calibrate the compass correctly,
observe the following points:
R calibrate the compass in the open and not
in the vicinity of steel constructions or high-
voltage transmission lines.
R switch off electrical consumers, for
example, the climate control, windshield
wipers or rear window defroster.
R close all doors and the trunk lid.
XSwitch the ignition on.XPress and hold button =(Y page 277) for
approximately six seconds until the
C symbol appears in compass display ;
( Y page 277).XDrive a full circle at approximately 3 mph
(5 km/h) to 6 mph (10 km/h).
Once the calibration has been successfully
completed, the current direction appears in
compass display ;(Y page 277).
Floormat on the driver's side
GWARNING
Whenever you are using a floormat, make sure
there is enough clearance and that the
floormat is securely fastened.
The floormat should always be securely
fastened using the fastening equipment.
Before driving off, check that the floormat is
securely in place and adjust it if necessary. A
loose floormat could slip and hinder proper
functioning of the pedals.
Do not place several floormats on top of each
other as this may impair pedal movement.XSlide the seat backwards.XTo install: place the floormat in the
footwell.XPress studs : onto retainers ;.XTo remove: pull the floormat off
retainers ;.XRemove the floormat.278FeaturesStowing and features

XPull release lever : on the hood.
The hood is released.
! Make sure that the windshield wipers are
not folded away from the windshield. You
could otherwise damage the windshield
wipers or the hood.
XReach into the gap, pull hood catch
handle ; up and lift the hood.
Once you have lifted the hood about
15 inches (40 cm), it is automatically
opened the rest of the way and held open
by the gas-filled struts.
Closing the hood
GWARNING
When closing the hood, use extreme caution
not to catch hands or fingers. Be careful that
you do not close the hood on anyone.
Make sure the hood is securely engaged
before driving off. Do not continue driving if
the hood can no longer engage after an
accident, for example. The hood could
otherwise come loose while the vehicle is in
motion and injure you and/or others.
XLower the hood and let it fall from a height
of approximately 8 inches (20 cm).XCheck that the hood has engaged properly.
If the hood can be raised slightly, it is not
properly engaged. Open it again and close
it with a little more force.Engine oil
Notes on the oil level
Depending on the driving style, the vehicle
consumes up to 0.9 US qts. (0.8 l) of oil over
a distance of 600 miles (1000 km). The oil
consumption may be higher than this when
the vehicle is new or if you frequently drive at
high engine speeds.
Checking the oil level using the oil
dipstick
Depending on the engine, the oil dipstick may
be installed at a different location.
When checking the oil level:
R park the vehicle on a level surface.
R the engine should be switched off for
approximately five minutes if the engine is
at normal operating temperature.
XPull oil dipstick : out of the dipstick guide
tube.XWipe off oil dipstick :.XSlowly slide oil dipstick : into the guide
tube to the stop, and take it out again.
The oil level is correct if the level is between
MIN mark = and MAX mark ;.XAdd oil if necessary.Engine compartment281Maintenance and careZ