
Problem
Possible causes/consequences and
M
MSolutions X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and top up the coolant, observing the
warning notes (Y page 331).
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid putting the engine under heavy load as you do so, e.g.
driving in mountainous terrain and stop-start traffic. Driving systems
Problem
Possible causes/consequences and
M MSolutions ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion. The distance to the vehicle in front is too small for the speed
selected.
X Increase the distance. ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion. A warning tone also
sounds. You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on PRE‑SAFE ®
Brake (Y page 76). Warning and indicator lamps in the instrument cluster
297On-board computer and displays Z

This poses an increased risk of injury.
Before every trip, make sure that the seat
backrests and the rear bench seat/rear seat
are engaged before every trip.
Observe the loading guidelines (Y page 300).
The left-hand and right-hand rear seat backr- ests can be folded down separately to
increase the boot capacity.
Folding the seat backrest forwards i
Vehicles with memory function: when you
fold one or both parts of the rear seat back- rest forwards, the respective front seat
moves forward slightly, when necessary, in
order to avoid contact.
X Vehicles without memory function: if nec-
essary, move the driver's or front-
passenger seat forwards.
X Open the boot.
X Pull right-hand or left-hand rear seat back-
rest release handle :.
The corresponding rear seat backrest is
released. X
Fold rear seat backrest ;forwards.
X Move the driver's or front-passenger seat
back if necessary.
Folding back the seat backrest !
Make sure that the seat belt does not
become trapped when folding the rear seat backrest back. Otherwise, it could be dam- aged. X
Move the driver's or front-passenger seat
forward if necessary.
X Fold rear seat backrest :back until it
engages.
If the rear seat backrest is not engaged and
locked, this will be shown in the multifunc-
tion display in the instrument cluster. A
warning tone also sounds.
X Move the driver's or front-passenger seat
back if necessary.
i If you do not need the through-loading
feature, you should always engage the rear seat backrests. This will prevent unauthor-
ised access to the boot from the vehicle
interior. Through-loading facility in the rear
bench seat (CLS Shooting Brake)
Important safety notes G
WARNING
If the rear bench seat/rear seat and seat
backrest are not engaged they could fold for- 304
Stowage areasStowing and features

wards, e.g. when braking suddenly or in the
event of an accident.
R The vehicle occupant would thereby be
pushed into the seat belt by the rear bench
seat/rear seat or by the seat backrest. The
seat belt cannot protect as intended and
could result in additional injury.
R Objects or loads in the boot/luggage com-
partment cannot be restrained by the seat
backrest.
This poses an increased risk of injury.
Before every trip, make sure that the seat
backrests and the rear bench seat/rear seat
are engaged before every trip.
Observe the loading guidelines (Y page 300).
Folding the seat backrest forwards !
When folding the rear seat backrest for-
wards, ensure that there are no items lying on the seat cushions. These items could
otherwise be damaged or could themselves
damage the rear seats. The left-hand and right-hand rear seat backr-
ests can be folded forwards separately to
increase the luggage compartment capacity.
i When you fold one or both parts of the
rear seat backrests forwards, the headr-
ests are also lowered if necessary. In the
case of vehicles with memory function, the respective front seat is moved forwards
slightly to avoid contact with the seat
behind it. X
Vehicles without memory function: if nec-
essary, move the driver's or front-
passenger seat forwards.
X Pull the left-hand or right-hand release han-
dle at the rear in load compartment :.
The corresponding backrest folds for-
wards.
X Move the driver's or front-passenger seat
back if necessary.
Folding back the seat backrest !
Make sure that the seat belt does not
become trapped when folding the rear seat backrest back. Otherwise, it could be dam- aged. X
Move the driver's or front-passenger seat
forward if necessary.
X Fold seat backrest :back until it engages.
If the rear seat backrest is not engaged and locked, this will be shown in the multifunc-
tion display in the instrument cluster. A
warning tone also sounds.
X Adjust the head restraints if necessary
(Y page 108).
X Move the driver's or front-passenger seat
back if necessary. Stowage areas
305Stowing and features Z

Securing a load
Lashing eyelets General notes
Observe the following notes on securing
loads:
R Observe the loading guidelines
(Y page 300).
R Secure the load using the lashing eyelets.
R Distribute the load on the lashing eyelets
evenly.
R Do not use elastic straps or nets to secure
a load. These are only intended as an anti-
slip protection for light loads.
R Do not route lashing materials across sharp
edges or corners.
R Pad sharp edges for protection.
Boot/luggage compartment Lashing eyelets
:(CLS Coupé) Lashing eyelets
:(CLS Shooting Brake) Coat hook (CLS Shooting Brake)
:
Coat hook Luggage compartment cover (CLS
Shooting Brake)
Important safety notes G
WARNING
On its own, the luggage compartment cover
cannot secure or restrain heavy objects,
items of luggage and heavy loads. You could
be hit by an unsecured load during sudden
changes in direction, braking or in the event of an accident. There is an increased risk of
injury or even fatal injury.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping over, e.g. by
using lashing material, even if you are using
the luggage compartment cover.
! When loading the vehicle, make sure that
you do not stack the load in the luggage
compartment higher than the lower edge of the side windows. Do not place heavy
objects on top of the luggage compartment
cover.
The luggage compartment cover is located
behind the rear bench seat backrest. 306
Stowage areasStowing and features

EASY-PACK load-securing kit (CLS
Shooting Brake)
Components and storage The EASY-PACK load-securing kit allows you
to use your luggage compartment for a variety of purposes. The following accessory parts
are located under the luggage compartment
floor:
R telescopic rod (on the underside of the lug-
gage compartment floor)
R bag containing the brackets and luggage
holder (below the luggage compartment
floor or in one of the side stowage nets in
the luggage compartment)
Inserting the brackets into the loading
rail X
Insert bracket :into the centre of loading
rail ?.
X Press release button ;and push
bracket :into the desired position in load-
ing rail ?.
X Let go of release button ;.
X Press locking button =.
Bracket :is locked in loading rail ?.
X If necessary, fold lashing eyelet A
upwards.
Luggage holder !
Only use the luggage holder to secure
loads with a maximum weight of 7 kg and
with dimensions that allow the loads to be safely and securely retained by the luggage
holder. The luggage holder can be used to secure
light loads against the side wall of the luggage
compartment to prevent them from moving
around.
X To install: insert two brackets Ainto the
left or right loading rail (Y page 310).
X Press release button :of the luggage
holder and pull the strap out slightly.
X Insert luggage holder ;into brackets A
and, while doing so, press release button
= and push the luggage holder downwards
until it engages.
X Press release button :of the luggage
holder and pull the strap out in the direction
of the arrow.
X Place the load between the strap and the
luggage compartment side wall.
X Using one hand, press locking button :of
the luggage holder.
X With your other hand, let the strap go slowly
until the load is secured.
X Make sure that locking button ?on brack-
ets Ais pressed.
This keeps brackets Ain place on the
loading rail.
X To remove: press release button =on
respective bracket Aand remove luggage
holder ;by pulling upwards and out. 310
Stowage areasStowing and features

Example: CLS Coupé
X Fold down the rear seat armrest.
X To open: lift the cover of the rear seat arm-
rest.
X Press release catch :.
Cup holder ;folds out forwards.
X Fold the cover of the rear seat armrest back
down again if necessary.
X To close: lift the cover of the rear seat arm-
rest.
Swing cup holder ;back until it engages. Bottle holders
Observe the "Important safety notes" in the
"Stowage compartments" section
(Y page 300). G
WARNING
If objects in the passenger compartment are
stowed incorrectly, they can slide or be
thrown around and hit vehicle occupants.
There is a risk of injury, particularly in the
event of sudden braking or a sudden change
in direction.
R Always stow objects so that they cannot be
thrown around in such situations.
R Always make sure that objects do not pro-
trude from stowage spaces, luggage nets or stowage nets.
R Close the lockable stowage spaces while
driving.
R Always stow and secure heavy, hard, poin-
ted, sharp-edged, fragile or bulky objects in
the boot/luggage compartment. !
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. X
Press the outer edge of button :and slide
in the direction of the arrow until the bottle
fits into the opening.
X Insert the bottle into the bottle holder.
The bottle holder is suitable for bottles with a
capacity of 0.7 lto 1.5 l.
The bottle holder does not secure bottles; it
merely prevents them from tipping over. Sun visors
Overview :
Mirror light
; Retainer
= Retaining clip, e.g. for a car park ticket
? Vanity mirror
A Mirror cover 314
FeaturesStowing and features

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 X
Fold down sun visor :.
X Pull sun visor :out of retainer ;.
X Swing sun visor :to the side.
X Slide sun visor :horizontally as required. Rear-window roller sunblind (CLS
Coupé)
Important safety notes G
WARNING
Parts of the body could be trapped in the
sweep of the roller sunblind when the roller
sunblind is extended or retracted. There is a
risk of injury.
When extending or retracting make sure that
no parts of the body are in the sweep of the
roller sunblind. Briefly press the button again if someone becomes trapped. The opening/
closing process is stopped.
! Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged. Extending/retracting from the driver's
seat
X
Turn the key to position 1or 2in the ignition
lock (Y page 159).
X To extend or retract: briefly press but-
ton :.
The roller sunblind fully extends or fully
retracts.
X To stop: briefly press button :again.
The roller sunblind stops briefly and
retracts into the out-of-use position. Ashtray
Front ashtray !
The stowage space under the ashtray is
not heat resistant. Before placing lit ciga-
rettes in the ashtray, make sure that the
ashtray is properly engaged. Otherwise, the
stowage space could be damaged. All vehicles (except AMG) Features
315Stowing an d features Z

Cigarette lighter
G
WARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R a child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unattended in the vehicle. All vehicles (except AMG)
Your attention must always be focused on the
traffic conditions. Only use the cigarette
lighter when road and traffic conditions per-
mit.
X Turn the key to position 2in the ignition
lock (Y page 159).
X To open: slide cover :forwards until it
engages.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot.
X To close: briefly press cover :at the
front.
The cover retracts. AMG vehicles
Your attention must always be focused on the
traffic conditions. Only use the cigarette
lighter when road and traffic conditions per-
mit.
X Turn the key to position 2in the ignition
lock (Y page 159).
X To open: briefly press the trim on cover :.
The stowage compartment opens.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot. 12 V sockets
General notes X
Turn the key to position 1in the ignition
lock (Y page 159).
The sockets can be used for accessories with a maximum draw of 180 W (15A). Accesso-
ries include such items as bulbs or chargers
for mobile phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
i An emergency cut-off ensures that the on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. Features
317Stowing and fea tures Z