overheating MERCEDES-BENZ SLC 2017 Owners Manual

In addition to driving style, the actual consump-
tion is affected by other factors, such as: R
load R
tire pressure R
cold start R
choice of route R
active electrical consumers
These factors are not include dint he ECO dis-
play.
An economical driving style specially requires
driving at moderate engine speeds.
Achieving ah igher valu eint he categories
"Acceleration" and "Constant": R
observe the gearshift recommendations. R
drive the vehicle in drive program C or E .
On long journeys at ac onstant speed ,e .g. on the
highway, only the outer area for "constant" will
change.
The ECO display summarizes the driving style
from the start of the journey to its completion.
Therefore, there are more marked changes in
the outer area satt he start of aj ourney. On lon-
ger journeys, there are fewer changes. For more
marked changes, perform am anua lr est
( Y
page 167).
For more information on the ECO display, see
( Y
page 166).
Braking
Important safety notes
G WARNING
If you shift down on as lippery road surface in
an attempt to increase the engine's braking
effect, the drive wheel sc ould lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on as lippery road surface.
Downhill gradients
! On long, steep gradients, you must reduce
the load on the brakes. To use engine braking,
shift to al owe rg ear in good time. This helps
you to avoid overheating the brakes and wear-
ing them out excessively. When making use of the engine braking
effect, it is possible that ad rive wheel may not
turn for some time, e.g. in the case of sud-
denly changing or slippery road surface con-
ditions. This could cause damage to the drive
train. This type of damage is not covered by
the Mercedes-Benz warranty.
Change into al owe rg ear in good time on long
and steep downhill gradients. This is especially
important if the vehicle is laden.
This also applies if you have activated cruise
control or Distance Pilo tD ISTRONIC.
Heavy and light loads
G WARNING
If you rest you rf oot on the brake peda lw hile
driving, the braking system can overheat. This
increases the stopping distance and can even
cause the braking system to fail .T here is a
risk of an accident.
Never use the brake peda lasaf ootrest. Never
depres st he brake peda la nd the accelerator
peda latt he same time.
! Depressing the brake peda lc onstantly
results in excessive and premature wea rt o
the brake pads.
If the brakes have been subjected to ah eavy
load ,don ot stop the vehicle immediately ,b ut
drive on for as hort while. This allows the airflow
to cool the brakes more quickly.
Wet roads If you have driven for al ong time in heavy rain
withou tb raking, there may be ad elayed reac-
tion from the brakes when braking for the first
time. This may also occur after the vehicle has
been washed or driven through deep water.
You then have to depres st he brake peda lm ore
firmly .M aintai nag reater distance from the
vehicle in front.
After driving on aw et road or having the vehicle
washed, brake firmly whil ep aying attention to
the traffic conditions. This wil lw arm up the
brake discs, thereby drying them more quickly
and protecting them against corrosion.136
Driving tips
Driving and parking

brake system and prevents the brakes from
overheating and wearing too quickly.
Use cruise control only if road and traffic con-
dition sm ake it appropriate to maintain as teady
speed for ap rolonged period. You can stor ea ny
road speed above 20 mph (30 km/h).
Important safet yn otesIf you fail to adapt your driving style, cruise con-
trol can neither reduce the risk of an accident
nor override the laws of physics. Cruise control
cannot take int oa ccoun tt he road, traffic and
weather conditions. Cruise control is only an
aid. You are responsible for the distance to the
vehicle in front, for vehicle speed, for brakin gi n
good time and for staying in lane.
Do not use cruise control: R
in road and traffic condition sw hich do not
allow you to maintain ac onstan ts peed e.g. in
heavy traffic or on winding roads R
on slippery road surfaces .B raking or accel-
eratin gc ould cause the drive wheels to lose
traction and the vehicle could then skid R
when ther eisp oor visibility, e.g. due to fog,
heavy rain or snow
If ther eisac hang eofd rivers, advise the new
driver of the speed stored.
Cruise control lever
C
Stores the curren ts peed or ah igher speed
D
Storing the curren ts peed or calling up the
last stored speed

Filling capacities The followin gv alue sr efer to an oil chang e
includin gt he oil filter.
Model Capacit y
SLC 300
6. 7USq t( 6.3 l)
Mercedes ‑ Benz
SLC 43 AMG 6.9 US qt (6.5 l)
Ad ditives
! Do not us ea ny additive sint he engine oil.
Thi sc ould damag et he engine.
Brake fluid
G WARNING
The brake fluid constantly absorb sm oisture
from the air. Thi sl owers the boiling point of
the brake fluid .Ift he boiling point of the brake
fluid is too low, vapor pockets may form in the
brake system when the brakes are applied
hard. Thi sw ould impai rb raking efficiency.
There is ar is kofana ccident.
Yo us houl dh av et he brake fluid renewe da t
the specified intervals.
Whe nh an dling brake fluid ,o bserve the impor-
tant safety notes on service products
( Y
page 284).
The brake fluid change interval sc an be found in
the Maintenance Booklet.
Only us eb rake fluid approved by Mercedes-
Benz in accordance with MB-Freigab eorM B-
Approva l3 31.0.
Information abou ta pp roved brake fluid can be
obtaine data ny qualified specialist worksho po r
on the Interne ta t
http://bevo.mercedes-benz.co m.
i Have the brake fluid regularly replaced at a
qualified specialist workshop and the replace-
ment confirmed in the Maintenance Booklet. Coolant
Importan ts afety notes
G WARNING
If antifreeze comes into contact with hot com-
ponents in the engine compartment, it may
ignite. There is ar isk of fire and injury.
Let the engine cool dow nb efore yo ua dd anti-
freeze .M ake sur et hat antifreeze is not spilled
next to the filler neck. Thoroughly clea nt he
antifreeze from components before starting
the engine.
! Only ad dc oolant that has bee np remixed
with the desire da ntifreeze protection. You
coul do therwise damag et he engine.
Furthe ri nformatio nonc oolants can be found
in the Mercedes-Benz Specifications for Ser-
vice Products, MB BeVo 310.1, e.g. on the
Internet at http://bevo.mercedes-benz.com.
Or contact aq ualifie ds pecialist workshop.
! Always use as uitabl ec oolant mixture, even
in countries where hig ht emperatures prevail.
Otherwise ,t he engine cooling system is not
sufficiently protected from corrosion and
overheating.
i Have the coolant regularly replaced at a
qualified specialist workshop and the replace-
ment confirmed in the Maintenance Booklet.
Comply with the important safety precautions
for service products whe nh andling coolant
( Y
page 284).
The coolant is am ixture of water and anti-
freeze/corrosion inhibitor. It is responsible for
the following: R
Anti-corrosion protection R
Antifreeze protection R
Raising the boiling point
If the coolant has antifreeze protection dow nt o
-35 ‡( -37 †), the boiling point of the coolant
during operation is approximatel y2 66 ‡
(130 †).Service products and filling capacities 287
Technical data Z