Servicing the brakes
!
If the red brake warning lamp lights up in
the instrumen tcluster and you hear a
warnin gtonew hile the engine is running,
the brak efluid level may be too low.
Observe additional warnin gmessages in
the multifunction display.
The brak efluid level may be too low due to
brak epad wear or leakin gbrak elines.
Have the brak esystem checked
immediately. This work should be carried
out at aqualified specialist workshop.
! Vehicles with 4MATIC: function or
performanc etests may only be carried out
on a2 -axle dynamometer. If you are
planning to have the vehicle tested on such
ad ynamometer, contac tanauthorized
Mercedes-Ben zCenter to obtain further
information first. Otherwise, you could
damage the drive train or the brak esystem.
! Vehicles with 4MATIC: as the ESP®
system operates automatically, the engine
and the ignition must be switched off
(SmartKey in position 0or 1in the ignition
lock or Start/Stop button in position 0or
1)w hile the parking brak eisbeing tested
on abrak edynamometer.
Brakin gmaneuvers triggere dautomatically
by ESP ®
may seriousl ydamag ethe brake
system.
! Vehicles with 4MATIC: as theESP®
system operate sautomatically, th eengine
and th eignition system must be switched
off (SmartKey in position 0or 1in the
ignition loc korStart/Sto pbutto nin
position 0or 1)w hen:
R testing th eparking brak eonabrake
dynamometer.
R you inten dtohave th evehicl etow ed with
on eoft heaxle sraised.
Braking maneuvers triggered automatically
by ESP ®
may seriousl ydamag ethe brake
system. All check
sand maintenance work on the
brak esystem must be carried out at a
qualified specialist workshop. Consult a
qualified specialist worksho ptoarrangethis.
Hav ebrak epads installed and brak efluid
replace dataq ualified specialist workshop.
If th ebrak esystem has only been subject to
moderat eloads ,you should test the
functionalit yofyour brakes at regular
intervals. To do so, press firmly on th ebrake
pedal when driving at ahigh speed. This
improve sthe gripoft hebrak epads.
You can fin dadescription of Brake Assist
(BAS) on (Y page 67)orofBASPLU Son
( Ypage 67).
The braking characteristics of th evehicl ecan
be seriousl yimpaired if:
R brak epads other than those recommended
are installed
R ther ecommended brak efluid is no tused
Safe braking can no longer be guaranteed.
AMG high-performance and ceramic
brakes The high-performance brake system is
installed only on the CLS 63 AMG.
The AMG brake systems are designed for
heavy loads. This may lead to noise when
braking. This will depend on:
R
Speed
R Braking force
R Environmental conditions, such as
temperature and humidity
The wear of individualc omponentsofthe
brake system, such as the brake pads/linings
or brake discs, depends on the individual
driving style and operating conditions.
For this reason, it is impossibletos tate a
mileage that will be valid under all
circumstances. An aggressive driving style
will lead to high wear. You can obtain further
information aboutt his from your authorized
Mercedes-Ben zCenter. Driving tips
173Driving and parking Z
