2021 MERCEDES-BENZ CLS key

To
avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The HOLD function isswitc hedoff. R
The surround viewcam eraor there ar vie w
cam erais swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blowe rfo rth eve ntil ation/he ating is
sw itched off.
R The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle. Other wise,
th etrunk lidcould openunintentionall y.
R Forcar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
% Incar washes withacon veyo rsy stem: ifyo u
lea vetheve hicle while itis being washed,
mak esur eth eSmar tKey islocat edinthe
ve hicle. Theparkposition 005Disother wise
aut omaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. #
Donotuse apo we rwa sher withro und -
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise,
th etrunk lidcould openunintentionally .
R Maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle.
R Vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il. 27
0
Maint enance andcare

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
PRE-S AFEImpulse Side
Inoperat iveSee Operator' s
Manual *
The PRE‑S AFE®
Im pulse Sidesystem ismalfunct ioningorinoper ativeaf te rha ving alread ybeen trigg ered. #
Consu ltaqu alif ied spec ialistwo rkshop. Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *H
aveSmar tKey replaced. #
Consult aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page66). 34
4
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (white
displa ymessag e) *T
heSmar tKey iscur rently undetect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e13 5).
Á Key NotDetected (red dis‐
pla ymessa ge) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trall yloc kth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e13 5).
Á
Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle. Displa
ymessag esand warning/ indic ator lam ps 34
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e13 5). Lig
hts Dis
playmess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisfaulty . #
Drive on car efull y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty .
: Malf unctionSee Oper a-
to r’s Man ual *T
heexterior lighting ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. 34
6
Dis play messa gesand warning/ indic ator lam ps

Au
tomatic trans mis sion
DIR ECT SELEC Tleve r...... .................. ...147
Dr ive pr ogr am disp lay ............ ............ ..146
Dr ive pr ogr ams............ ........................ 145
DY NA MIC SELE CTswitc h.................... 145
Eng aging drive po sitio n............ ........... 149
Eng aging neu tral ............ ...................... 148
Eng aging park position ........................ 148
Eng aging reve rsege ar .........................1 48
Kic kdo wn ....... ......................................150
Manual gearshif ting.............................1 49
St eer ing wheel paddle shifters ............ 149
Tr ans miss ionposit iondispla y.............. 147
Tr ans miss ionposit ions........................ 147
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
Ba ghook .................................................. 106
BA S(Br akeAssis tSy stem) .....................1 63
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 66
Batt ery
see Battery(v ehi cle) Batt
ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 288
Ch arging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 287
Ch arging (Remo teOnline) .................... 136
No tes .................................................. 283
No tes(s ta rting assis tance and
ch argin g) .............................................2 85
Re placing ............................................ 288
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....287
Bel t
see Seatbe lt
Bli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 191
Ac tivati ng/d eactiv ating ........... ............194
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>191
Sy stem limit ations ........................... ....1 91
Blo wer
see Clima tecontr ol
Br ak eAs sis tSy stem
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes .................................................. 334
Br ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 165 Br
ak es
ABS (Anti-lock Braki ng System) ........... 163
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 182
BA S(Br akeAssi stSystem) .................. 163
Dr iving tips............. .............................138
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 165
HOLD functio n............ .........................166
Limi tedbr aking effect (sa lt-tr eated
ro ads) .................................................. 138
Ne w/r epla ced brak epad s/brake
discs .................................................... 136
No teson breaking-in ane wvehicle ..... 136
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................ 320
Ov ervie wof thehelp functions.............. 16
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .....22
To w- star tin g........................................ 292
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 289
Tr ans portingth eve hicle ......................2 91
Br eak down
see Flattir e 40
4
Inde x

Butt
ons
St eer ing wheel .....................................2 17 C
Calls Mer cedesme .......................................2 45
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 269
Car -to-X -Comm unication
Displa yinghazar dwa rnings .................2 39
Car e....... ....................................................274
Air -water duct <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011> 269
Au tomatic carwash ........................ ..... 269
Car pet............ ................................. ..... 274
Deco rativ efo il ................................ .....2 72
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 274
Ext eriorlighti ng............ ....................... 272 Hea
dliner ............ ................................. 274
Matt efinis h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............271
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 271
Plas tictrim .......................................... 274
Po we rwa sher ................................. ..... 270
Re alwo od/tr imelements ............... ..... 274
Re ar vie wcam era ................................ 272
Sea tbel t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 274
Sea tco ver..... ................................... ... 274
Senso rs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 272
St eer ing wheel .....................................2 74
Sur round viewcam era .........................2 72
Ta ilpipes .............................................. 272
Wa shing byhand .............................. ... 271
Wheels/r ims....................................... 272
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 272
Wi per blades ........................................ 272
Car gotie- down rings ...............................1 05
Car pet(C are) ....... .....................................274
Cha ngeof address .................................... 22
Cha ngeof ow ner ship ................................ 22
Changing awheel
Pr epar ation ......................................... 320
Ra ising theve hicle ........................... ....3 21 Cha
nging awheel
see Emerge ncy sparewheel
Chan ginggears ....... ................................. 149
Manually ..............................................1 49
Chang inghub caps ................................. 320
Char ging
Batt ery(v ehi cle) .................................. 287
USB port....... ....................................... 110
Cha ssis leve l(AIR BODY CONT ROL)
Se tting .................................................1 97
Child safetyloc k
Re ar door s.............................................6 1
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 63
Chi ldseat
At tach ing (notes) ................................... 54
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .............50
Fr ont- passeng erseat (notes) ................. 60
LA TC H-type (ISOFIX )(ins talling) ............ 55
No teson risk sand dang ers ...................5 1
Secu ring on thefront passeng erseat ....6 0
Secu ring on there ar seat ...................... 58
To pTe ther ..............................................5 7 Inde
x405

Disp
lay(m ult imedi asy stem) .................. 224
Operating ............ ................................ 224
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y... 219
Disp laymes sage...... ...............................3 40
Ca lling up (on-boa rdcom puter) ..... ...... 340
No tes ..................... ............................. 340
Displa ymessag es
00B2 -- -mp h...... ...............................3 63
ç ---mp h.....................................3 63
003D 12VBatt erySee Oper ator's
Manual ................................................ 377
00D7 48VBatt erySee Oper ator's
Manu al....... ......................................... 378
: ActiveHea dlamps Inoperati ve .... 347
é ATTENTION ASSISTInoper ative
... ............ ..............................................3 62
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........363
: Automatic HeadlampMode
Inoper ative..... ..................................... 347 0027
CheckBr ak eFlui dLe vel.............. 361
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... .................................. 362
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 352
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 385
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 346
0077 CheckTire s ................................ 381
00B2 CheckWa sher Fluid .................... 351
ÿ CoolantTooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 352
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......369
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 368
0025 Currentl yUna vailable See
Opera tor's Manua l...... ......................... 372 00E5
Currentl yUna vailable See
Opera tor's Manua l..... ..........................3 73
Á Don't Forget Your Key................ 345
00CC Drive Mor eSlo wly .......................3 71
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>..386
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................385
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 386
00B3 EngineOil Reduce OilLevel........ 385
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................. 341
00B6 FuelLevelLo w ............................ 353
00B6 GasCap Loose ...........................3 53
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 373
00E5 Inoper ativeSee Oper ator's
Manua l..... ............................................ 374 408
Index

007A
Inoper ativeSee Oper ator's
Manua l..... ........................................... 375
0053 Inoper ative.... .............................3 76
: Intell. Light System Inoperativ e
... ............ ..............................................3 48
Á KeyNo tDe tected (red displ ay
messa ge).............................................3 45
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 45
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le) ...3 41
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............371
ä Malfunction Drive at Max. 50
mp h..................................................... 370
: Malfunction SeeOper ator ’s
Manual ................................................ 346
Á ObtainaNe wKe y.......................3 44
ç Off...... ........................................3 64
00D9 Off...... ........................................3 62 0049
Parking Brak eSee Opera tor's
Manua l...... .......................................... 357
0077 PleaseCor rect Tire Pressur e...... 381
0049 Please Release Parking Brak e.... 360
00D9 Please WaitChar ging 48VBat ‐
te ry … <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 379
006F Rear Lef tBac kres tNo t
La tched (exa mp le) ...............................3 51
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 344
003D SeeOperator's Manua l...... .........377
0075 SRSMalfunction Service
Re quired .............................................. 341
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 349
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...349
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..378 003D
Stop Vehicle SeeOper ator's
Manual ................................................ 378
00CC Stop Vehicle Vehicle TooLo w ..... 370
ç Suspend ed<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 364
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 347
: SwitchOn Hea dlamps ................ 347
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 361
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............3 49
00CC Vehicle Rising Please Wait.......... 371
00CC Vehicle Rising ............................. 371
0077 Warning Tire Malfunction ........... 382
0077 Wheel Sensor(s) Missing............ 380
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.....3 67
Ac tiveBli nd Spo tAssi stInoper ative.... 367
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 375 Inde
x409