Mercedes-Benz C-Coupe 2015 Owners Manual - Manual (Page 158)

Wet roads
If you have driven for a long time in heavy rain
without braking, there may be a delayed reac-
tion from the brakes when braking for the first
time. This may also occur after the vehicle has
been washed.
You have to depress the brake pedal more
firmly. Maintain a greater distance from the
vehicle in front.
After driving on a wet road or having the vehi-
cle washed, brake firmly while paying atten-
tion to the traffic conditions. This will warm up
the brake discs, thereby drying them more
quickly and protecting them against corro-
sion.
Limited braking performance on salt-
treated roads
If you drive on salted roads, a layer of salt
residue may form on the brake discs and
brake pads. This can result in a significantly
longer braking distance.
R Brake occasionally to remove any possible
salt residue. Make sure that you do not
endanger other road users when doing so.
R Carefully depress the brake pedal and the
beginning and end of a journey.
R Maintain a greater distance to the vehicle
ahead.
Servicing the brakes
!
If the red brake warning lamp lights up in
the instrument cluster and you hear a warn-
ing tone while the engine is running, the
brake fluid level may be too low. Observe
additional warning messages in the multi-
function display.
The brake fluid level may be too low due to
brake pad wear or leaking brake lines.
Have the brake system checked immedi-
ately. This work should be carried out at a
qualified specialist workshop.
All checks and maintenance work on the
brake system must be carried out at a quali-
fied specialist workshop. Consult a qualified
specialist workshop to arrange this.
Have brake pads installed and brake fluid
replaced at a qualified specialist workshop.
! Vehicles with 4MATIC: function or per-
formance tests may only be carried out on
a 2-axle dynamometer. If you are planning
to have the vehicle tested on such a dyna-
mometer, contact an authorized Mercedes-
Benz Center to obtain further information
first. Otherwise, you could damage the
drive train or the brake system.
! Vehicles with 4MATIC: as the ESP ® sys-
tem operates automatically, the engine and
the ignition must be switched off (Smart-
Key in position 0 or 1 in the ignition lock or
Start/Stop button in position 0 or 1) while
the parking brake is being tested on a brake
dynamometer.
Braking maneuvers triggered automatically
by ESP ® may seriously damage the brake
system.
! Vehicles with 4MATIC: as the ESP ® sys-
tem operates automatically, the engine and
the ignition system must be switched off
(SmartKey in position 0 or 1 in the ignition
lock or Start/Stop button in position 0 or 1)
when:
R testing the parking brake on a brake
dynamometer.
R
you intend to have the vehicle towed with
the front axle raised.
Braking maneuvers triggered automatically
by ESP ® may seriously damage the brake
system.
If the brake system has only been subject to
moderate loads, you should test the function-
ality of your brakes at regular intervals. To do
so, press firmly on the brake pedal when driv-
ing at a high speed. This improves the grip of
the brake pads.
You can find a description of Brake Assist
(BAS) on (
Y
page 64) or of BAS PLUS on
(
Y
page 65).
156
Driving tips
Driv
ing
and
parking