2020 MERCEDES-BENZ CLS COUPE ad blue

ha
ve to to p up AdBlue ®
will also vary. Ha vethe
Ad Blue ®
supply checked at a qualified specialist
wo rkshop before making journe ysoutside of
Europe. Before a longer stay outside of Europe,
consult a qualified specialist workshop.
Ad Blue ®
ra nge and fill le vel
The AdBlue ®
fill le vel and range can be displ ayed
via the on-board computer. The AdBlue ®
ra nge
shown depends strongly on the driving style and
operating conditions. The actual range can
th erefore deviate from thera nge cur rently dis‐
pl ay ed in the on-board computer. The informa‐
tion supplied in the Owner's Manual rega rding
th ere ser vequantity at thefirs t display warning
and on the minimum top-up quantity when the
fuel tank is em pty is also tobe under stood as
guide values. Engine oil
Note
s on engine oil
Obser vethe no tes on operating fluids
(/ page 347). *
NO
TEEngine dama gecaused byan
incor rect oil filter, incor rect oil or addi‐
tives #
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. #
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. #
Do not use additives. #
Have the engine oil rene we d at regular
inter vals. Mercedes-Benz
recommends that you ha vethe
oil change car ried out at a qualified specialist
wo rkshop.
Only use engine oils appr oved byMercedes-
Benz.
Pe trol engines: for cer tain countries, dif fere nt
engine oils can be used in conjunction wi th
re duced maintenance inter vals.
% Further information on dif fere nt engine oils
can be ob tained at a qualified specialist
wo rkshop.
Quality and capacity of engine oil Pe
trol engine sM B-Freigabe or MB-
Appr oval
All models 229.51,229.52,
229.61
229.71* Missing
values werenot available at the time of
going topress. Te
ch nical da ta353

Display messages
Possible causes/consequences and M
MSolutions #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page 328) andthe tyres. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (/ page 331).
Check tyre pressures then
restart Run Flat Indicator *T
he tyre pressure loss warning sy stem generated a displ aymessa geand has not been restar ted since. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (/ page 331).
Run Flat Indicator inopera-
tive *T
he tyre pressure loss warning sy stem is malfunctioning. #
Consult a qualified specialist workshop. Exhaust
gas af tertre atment Display messages
Possible causes/consequences and M MSolutions
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen into there ser verange. #
Top up AdBlue ®
immediately (/ page 170). 408
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Ø Top up AdBlue Emergency
op. in XXX miles See Own-
er's Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been co vered. #
Top up AdBlue ®
immediately (/ page 170).
Ø XX,X l Top up AdBlue Emer.
op.: max. XXX km/h Start
not poss. in XXX km *
The low AdBlue ®
leve l will lead tolimited per form ance from the speed displa yed.
Af terth ere maining dis tance displ ayed has been co vered, it will no longer be possible tostart the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page170).
Ø
XX,X l Top up AdBlue
Switch on ignition, wait 60
sec. or eng. start not poss. *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page170). #
Switch on the ignition and waitfor appro ximately 60 seconds. #
Start the engine. Display messages and
warning/indicator lamps 409

Display messages
Possible causes/consequences and M
MSolutions
¯ AdBlue system fault See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system fault Emer-
gency op. in XXX miles See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. Performance will be reduced once there maining dis tance displ ayed has
been co vered. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system fault Emer.
op.: max. XXX km/h Start
not poss. in XXX km *
Po we rre striction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. #
Consult a qualified specialist workshop immediatel y.41 0
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
¯ AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y. Engine oil
Display messages
Possible causes/consequences and M MSolutions
5 Add 1 litre engine oil when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil (/ page 296).
No tes on engine oil (/ page 353). Display messages and
warning/indicator lamps 411

Ac
tive Parking Assist .............................. 229
Exiting a parking space ...................... .232
Fu nction .............................................. 229
Pa rking ................................................ 230
Sy stem limitations ...............................2 29
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 194
Displ ay................................................. 194
Fu nction .............................................. 194
Ac tive Steering Assist ............................ .197
Ac tivating/deactivating ...................... .199
Ac tive Emergency Stop Assist .............1 99
Fu nction .............................................. 197
Sy stem limits ....................................... 197
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .197
Fu nction .............................................. 197
Ad aptive brake lights ..............................185
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 12 5Switching on/off .................................
12 6
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 6
Switching on/off ................................. 12 8
Ad Blue ®
.................................................... 352
Ad ditives .............................................3 52
Capacity .............................................. 352
No tes ................................................... 16 9
Purity ................................................... 352
To pping up ...........................................1 70
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 353
Ad Blue ®
............................................... 352
Engine oil ............................................ 353
Fu el ..................................................... 350
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIR BODY CONTROL Ad
versewe ather light ............................ .125
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .214
Setting ................................................. 215
Suspension .......................................... 214
Air conditioning menu Calling up ............................................ 13 8
Air distribution Setting ................................................ .137
Setting (MBUX multimedia sy stem) ..... 13 9
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 14 6
Ad justing (front) .................................. 14 6
Ad justing (rear) .................................... 147430
Index

Fu
nction .............................................. 209
Sy stem limitations ...............................2 09
Blo wer
see Climate control
BlueTEC see AdBlue ®
Bonn et
Re setting (active bonnet) .................... 293
Boot lid Closing .................................................. 79
HANDS-FREE ACCESS .......................... .81
Locking separa tely ................................ 83
Opening ................................................ .78
Opening dimensions ............................3 56
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes ................................................... 354
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 183
Brakes ABS (Anti-lock Braking Sy stem) ........... 181Ac
tive Brake Assi st.............................. 200
Ad aptive brake lights .......................... .185
BA S (Brake Assi stSystem) ...................1 81
Driving tips .......................................... 15 3
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 183
HOLD function .................................... .184
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 15 3
New/replaced brakepads/brake
discs .................................................... 151
Ru nning-in no tes ..................................1 51
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
To w- starting ........................................ 324
To wing away ........................................ 320
Tr ansporting theve hicle ......................3 22
Wheel change ...................................... 337
Breakdown see Flat tyre
Buttons Steering wheel .....................................2 45 C
Calls Mercedes me ....................................... 273
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ....................................... 299
Car-to-X-Communication Displaying hazard warnings ................ .267
Care .......................................................... 304
360° camera ...................................... .302
Air-water duct ...................................... 299
Car wash ............................................. 299
Carpet .................................................3 04
Decorative foil .................................... .301
Displ ay................................................ 304
Exterior lighting ................................... 302
High-pressure cleaner ......................... 300
Matt finish ........................................... 301 Index
433

D
Dashboa rd
see Cockpit
Data acquisition Vehicle ................................................... 31
Data pr otection rights
Data storage .......................................... 35
Data storage
Data pr otection rights ........................... 35
Electro nic control units ......................... .31
Online services ...................................... 34
Ve hicle ................................................... 31
Deactivating the ala rm(ATA ).................... 91
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 24
Jack ...................................................... .27
Speci fic absor ption rate ........................ 24
TIREFIT kit ............................................. 28
Wi reless vehicle components ................24
Decorative foil (cleaning instructions) .. 301DeNOx agent
see AdBlue ®
De stination entry .................................... 264
En tering a POI or address .................... 264
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................28
Diesel Low outside temp eratures ...................3 50
No tes .................................................. 350
Digital Owner's Manual .............................18
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 28
DIRECT SELECT le ver............................... 161
Engaging drive position ....................... 16 3
Engaging neutral .................................. 16 2
Engaging pa rkposition ........................ 16 3
Engaging pa rkposition automatically .. 16 3
Engaging reve rsege ar ........................ .162
Fu nction ............................................... 161
Display (care) .......................................... .304 Display (MBUX multimedia sy
stem)
Home screen ...................................... .251
Display (multimedia sy stem) ................ .252
Operating ............................................ 252
Display (on-board comp uter)
Displ ays on the multifunction display .. 247
Display message .................................... .360
Calling up (on-boa rdcompu ter) .......... .360
No tes .................................................. 360
Display messages ¯ - - - km/h ................................... 385
ç - - - km/h ................................... 386
È - - - km/h ................................... 386
# 12V battery See Owner's Man‐
ual ....................................................... 401
Û 48 V battery See Owner's Man‐
ual ....................................................... 402
: Active Light Sy stem inopera‐
tive ...................................................... 367 436
Index