sensor MERCEDES-BENZ CLS COUPE 2012 Repair Manual

This is the case:
R
if they cause achange of the vehicle type
from that for which the vehicle's general
operating permit was granted
R if other road users could be endangered
R if the emission or noise levels are adversely
affected.
Always specify the vehicle identification num-
ber (VIN) (Y page 359) and the engine num-
ber (Y page 359) when ordering genuine
Mercedes-Benz parts. Vehicle electronics
Tampering with the engine electron-
ics
G
WARNING
Always have work on the engine electronics
and related components carried out at aquali-
fied specialist workshop. Otherwise, the vehi-
cle's operating safety could be affected.
! Only have work carried out on the engine
electronics and its associated parts, such
as control units, sensors and connector
leads, at aqualified specialist workshop.
Vehicle componentsm ay otherwise wear
more quickly and the vehicle's operating
permit may be invalidated. Retrofitting two-way radios and
mobile phones (RF transmitters)
G
WARNING
Incorrect retrofittin gofRFtransmitters can
cause the vehicle electronics to malfunction.
The vehicle's operating safety and thus your
own safety are impaired.
Have aftermarket radio frequency transmit-
ting equipment installed at aqualified spe-
cialist workshop. G
WARNING
Incorrect retrofittin gofRFtransmitters can
lead to increased electromagnetic radiation in
the vehicle interior. Using an exterior aerial
takes into account curren tscientific discus-
sions relating to the possible health hazards
that may result from electromagnetic fields.
Have aftermarket radio frequency transmit-
ting equipment installed at aqualified spe-
cialist workshop.
! The operating permit may be invalidated
if the instructions for installation and use of
RF transmitters are not observed.
In particular, the following conditions must
be complied with:
R only approved wavebands may be used.
R the maximum permissible output in
these wavebands must be complied with.
R the approved aerial positions must be
complied with. Approved aerial positions
:
Frontr oof area
; Rear roof area
= Rear wing
? Boot lid Vehicle electronics
357Technical data Z

The coolant is checked at every maintenance
interval at aqualified specialist workshop.
i When the vehicle is first delivered, it is fil-
led with acoolant mixture that ensures
adequate antifreeze and corrosion protec-
tion. Windscreen and headlam
pcleaning
system
Important safet ynotes G
WARNING
Windscreen washer fluid/antifreez eishighly
flammable. Avoid spilling windscreen washer
fluid/antifreez eonhot engin ecomponent sas
it can ignit eand burn. Severe burns could be
the result.
! Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or
MB WinterFit. Unsuitable washer fluid
could damage the plastic lense softhe
headlamps.
! Do not use distilled or de-ionised water in
the washer fluid reservoir. Otherwise, the
level sensor may be damaged.
! Only the washer fluids SummerFit and
WinterFit can be mixed. Otherwise, the
spraying nozzles could become blocked.
At temperatures above freezing:
X Fill the washer fluid reservoir with amixture
of water and washer fluid, e.g. MB Sum-
merFit.
Mix 1part MB SummerFit to 100 parts water. At temperatures below freezing:
X
Fill the washer fluid reservoir with amixture
of water and washer fluid, e.g. MB Winter-
Fit.
Adapt the mixing ratio to the outside temper-
ature.
R Down to Ò10 †: mix 1part MB WinterFit
with 2partsw ater.
R Down to Ò20 †: mix 1part MB WinterFit
wit h1p art water.
R Down to Ò29 †: mix 2partsMBW interFit
wit h1p art water.
i Addw ashe rfluid concentrate, e.g. MB
SummerFit or MB WinterFit, to the washer
fluid all year round. Vehicle data
General notes
Please not ethat for the specified vehicle
data:
R the height sspecified may vary as aresult
of:
- tyres
- load
- conditio nofthe suspension
- optional equipment
R items of optional equipment increase the
unladen weight and reduce the maximum
payload. The unladen weight is specified in
accordance with EC directive and includes:
- driver (68 kg)
- luggage (7 kg)
- all fluids (fuel tank 90% full)
R vehicle-specific weight information can be
found on the vehicle identification plate
(Y page 359).
R only for certain countries: you can find vehi-
cle-specific vehicle data in the COC docu-
ments( CERTIFICATE OF CONFORMITY).
These documents are delivered with your
vehicle. 366
Vehicle dataTechnical data

24 GHz radar sensor system (countr
yoverview)
The 24 GHz radar senso rsystem require sseparat eapproval for each country. If you are driving
in ac ountry in which the radar senso rsystem is no tapproved, you must deactivate the system
using the on-board computer (Y page 225).
The curren tcountry overview can be obtaine dfrom aMercedes-Benz Service Centr eoron
the Internet at: http://www.mercedes-benz.de/betriebsanleitung.
Vehicles with anavigation system: the radar sensor system is deactivated automatically
near radio telescope facilities. Adisplay message appears in the multifunction display to tell
you that the radar sensor system is being switched off (Y page 245).
The currently active systems are automatically deactivated:
R DISTRONIC PLUS (Y page 170)
R Blin dSpot Assist (Y page 197)
R Activ eBlindS pot Assist (Y page 201)
R BA SP LUS (Y page 64)
R PRE-SAFE ®
Brake (Y page 68)
If deactivation does not occur automatically, you must deactivat ethe radar sensor system
using the on-board computer (Y page 225).
Vehicles withou tnavigation and vehicles for Australia: you must deactivate the radar
sensor system using the on-board computer whe nyou are near aradio telescope facility
(Y page 225). 368
24 GHz radar sensor system (countryo
verview)Technical data