2020 MERCEDES-BENZ GLA battery

Stowage
andfeatur es...................... 251
Loading guidelines...............................2 51
Stowag earea s....... ..............................251
Featu res....... ....... ................................ 258 Mainte
nanceand care ......................274
Engine compartment ........................... 274
ASSYST PLUS......................................278
Ca re....... .............. ................................279 Breakdow
nassi stanc e....... .............. 287
Where willIfind...? ..............................287
Flat tire....... ......................................... 288
Battery (vehicle)....... ........................... 293
Ju mp-starti ng....... ................................296
Tow ingand tow-starti ng....... ...............299
Fuse s....... ............................................302 Whee
lsand tires ...............................305
Importa ntsafe tynotes ........................305
Opera tion............................................305
Winter operation....... ........................... 307
Tire press ure....... ................................ 308
Load ingthe vehi cle....... .......................317
All abo utwhe elsand tires ................... 320
Cha nging awhe el....... ......................... 326
Whee land tirecombi nations .............. .330
Emergency sparewhe el....... ................331 Techn
ical data ................................... 333
Informati onrega rding technical data
....... ...................................................... 333
Vehi cleelectronics ..............................333
Identifi cationplates ....... ......................334
Service products andfilling capa ci-
ties ....... ............................................... 335
Vehi cledata ......................................... 341
Vehi cledata foroff-roa ddrivi ng....... ...342 Co
nten ts
3

Transmission
positiondisplay
(DIRECT SELECT lever) ...................1 34
Transmi ssionposi tions .................. 137
Automatic transmissionemer-
gen cymode ....................................... 142 B
Back button ....................................... 244
Backup lamp
Displ aymessa ge....... ..................... 216
Bag hook....... ....... ..............................256
BAS (Brake AssistSyste m)....... ..........61
Basic settings
see Settings
Battery (SmartKe y)
Che cking .......................................... 72
Importa ntsafe tynotes .................... 72
Rep lacing ......................................... 72
Battery (vehicle)
Cha rging ........................................ 295
Displ aymessa ge....... ..................... 219
Importa ntsafe tynotes .................. 293
Ju mp starting ................................. 296
Rep lacing .......................................296
Belt
see Seat belts
Belt warni ng....... .................................. 44
Blin dSpot Assist
Activating/d eactivating (on-
boa rdcompu ter)....... ..................... 198
Displ aymessa ge....... ..................... 221
Notes/fu nction..............................185
Blow er
see Clima tecontrol
Blueto oth®
Searchi ngfor amobi lephone ........247
Searchi ngfor amobi lephone
(de vice mana ger)........................... 248
see also Digita lOpera tor'sMan-
ua l....... ...........................................243
Tel epho ny....... ...............................247
Brake AssistSyste m
see BAS (Brake AssistSystem)
Brake assistanc e
see BAS (Brake AssistSystem)
Brake fluid
Displ aymessa ge....... ..................... 210 Notes
.............................................338
Brake forcedistributi on
see EBD (electronic brakeforce
dis tribu tion)
Brake HOLDfunction
Gene ralnotes ................................ 165
Brake lamp
Rep lacing bulbs....... ......................108
Brake lamps
Displ aymessa ge....... ..................... 216
Brakes
ABS ..................................................60
BAS <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ <0011001100110011001100110011001100110011001100110011001100110011
001100110011[............61
Brake fluid(note s)<0011001100110011001100110011001100110011001100110011001100110011
001100110011[ ......338
Disp laymess age<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 205
EBD <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 67
Hil lsta rtas sis t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 128
HOLD function<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 165
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 150
Ma inte nance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 151
Pa rking brake<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 146
Ri ding tips<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 150
Situ ation-de pendent braking
as sis tance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 63
Wa rning lamp <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 233
Breakd ownass istanc e
Whe rewillIfind ...?<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 287
see Flattire
see Tow-star ting
see Towingaway
Brig htne sscontro l(i nstru ment
cl uste rlighti ng)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 32
Button son the steering wheel......... 189 C
Cal ling up amalfu nctio n
see Disp laymes sages
Car
see Vehicle
Care
Carwa sh <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 280
Ca rpe ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 286
Disp lay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 284
Exha ustpi pe <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 284
Exteri orlights <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 283
Ge aror sel ector lever <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 285
Interi or<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 2846
In
dex

Stori
ngsetti ngs(memory func-
tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 101
Swi tching seathea ting on/of f......... 96
Se cti on
Ca rgo comp artment<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 77
Se curi ngalo ad
see Secu ringcargo
Se curi ngcarg o<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 256
Se lecti ng age ar
see Auto matictrans mission
Se lecto rle ve r
Cl ea ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 285
Se nso rs(cleani ng instruc tions) ....... 283
Se rvic emen u(o n-b oard com-
puter) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 198
Se rvic emes sage
see ASSYST PLUS
Se rvic eproduc ts
Bra kefluid<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 338
Co olant (engi ne) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 339
Engine oil<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 338
Fue l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 335
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 335
Re friger ant (air-co nditioni ngsys-
tem) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 340
Wa she rflu id<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 339
Se tting aspe ed
see Cruisecontrol
Se tting theairdistribu tion............... 120
Se tting theairfl ow<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 120
Se tting thedate/ timeformat
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 243
Se tting thelanguag e
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 243
Se tting thetime
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 243
Se tting s
Facto ry(on-boa rdcomp uter)......... 201
On-bo ardcomp uter<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 198
SE TUP (on-b oard computer,
Merc edes-AMG vehic les) <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 201
Si de impac tair bag <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 46
Si de marker lamp(displ aymes -
sag e)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 217Si
de windo ws
Cl ea ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 282
Co nveni ence closing fea ture ............ 85
Co nveni ence opening feature .......... 84
Imp orta ntsafety informa tion ........... 83
Ope ning/ closing <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 84
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 86
Re setti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 86
Re vers ingfeature <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 83
SI RIU Sse rvic es
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 243
Si tuatio n-dependen tbraki ng
ass istanc e
Functi on/note s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 63
Sl idi ng sun roof
see Panora maroofwi th pow er
til t/sli ding panel
SmartK ey
Ch ang ingthe battery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 72
Ch ang ingthe programmi ng............. 71
Ch ecki ngthe battery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 72
Co nveni ence closing fea ture ............ 85
Co nveni ence opening feature .......... 84
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 230
Door centra llo cking /unlocking....... 69
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 69
KEYL ESS-GO startfuncti on.............. 71
Los s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011[ 73
Mech anical key <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 71
Pos itions (igni tion lock) <0011001100110011001100110011001100110011001100110011001100110011
0011[ 125
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 73
Starti ngthe engi ne<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 127
SmartK eypos ition s(ign ition
lo ck) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 125
Smartpho ne
Starti ngthe engi ne<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 127
SMS
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 243
Sno wcha ins<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 308
So cke ts
Ce nter conso le<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 261
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 261
Lu gga gecomp artment<0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 261
Re ar comp artment<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 261
So und
Swi tching on/off<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 24418
In
dex

Possible
dangerduetosubstances
haza rdous tohealth
In compliance withProposition 65(“Prop65”),
the following detachable labelhasbeen added
to each vehicle soldinCali fornia: Operat
ingsafety Dec
larat ions ofconformity
USA: "Thewireless devicesofthis vehicle
comply withPart15ofthe FCC Rules.Opera-
tion issubject tothe two following twocondi-
tions: 1)These devices maynotcause harmful
interf erence, and2)These devices must
accept anyinterf erence received, including
interf erence thatmay cause undesired opera-
tion. Changes ormodifications notexpressly
approved bythe party responsible forcompli-
ance could voidtheuser’s authority tooperate
the equipment."
Canada: "Thewireless devicesofthis vehicle
comply withIndustry Canadalicense-ex empt
RSS standard(s). Operationissubject tothe
following twocondition s:(1) These devices
may notcause interference, and(2)These
devices mustaccept anyinterf erence, includ-
ing interf erence thatmay cause undesired
operation ofthe device." Diagnostic
connector
The diagnostics connection isonly inten ded
for the conn ection ofdiagnostic equipment at
a quali fiedspecialist workshop. G
WARNING
If you conn ectequipment toadiagnostics
conn ection inthe vehicle, itmay affect the operation
ofvehicle systems. Asaresult,
the operating safetyofthe vehicle couldbe
affected. Thereisarisk ofan accident.
Only connectequipment toadiagnostics
conn ection inthe vehicle, whichisapproved
for your vehicle byMercedes-B enz. G
WARNING
Object sin the driver's footwell canrestrict
the pedal travel orobstruct adepressed
pedal. Theoperating androad safety ofthe
vehicle isjeopardized. Thereisarisk ofan
accident.
Make surethatallobject sin the vehicle are
stowed correctly,and that they cannot enter
the driver's footwell. Installthe floormats
securely andasspecified inorder toensure
sufficient clearance forthe pedals. Donot
use loose floormats anddonot place floor-
mats ontop ofone another.
! If
the engine isswitched offand equip-
ment onthe diagnostics connection isused,
the starter battery maydischarge.
Connect ingequipment tothe diagnostics con-
nect ioncan lead toemissions monitoring
information beingreset, forexample. Thismay
lead tothe vehicle failingtomeet therequire-
ment sof the next emissions testduring the
main inspection . Qualified
specialist workshop
An authorized Mercedes-B enzCenter isa
quali fiedspecialist workshop. Ithas theneces-
sary specialist knowledge, toolsandquali fica-
tions tocorrect lycarry outthework required
on your vehicle. Thisisespecially thecase for
work relevant tosafety.
Observe thenotes inthe Maintenanc eBook-
let.
Always havethefollowing workcarried outat
an authorized Mercedes-B enzCenter:
R work relevant tosafety
R service andmaintenan cework
R repair work Operat
ingsafety
27Introduction Z

swerving.
Trailerswithahigh centerofgrav-
ity can tipover before ESP®
can detect this.
There isarisk ofan accident.
Always adaptyour driving styletothe pre-
vailing roadandweather conditions.
If your vehicle withtrailer (vehicle/trailer com-
bination) beginstolurch, youcan only stabilize
the vehicle/trailer combinationbydepressing
the brake firmly.
ESP ®
trailer stabilization isactive above
speeds ofabout 65km/h.
ESP ®
trailer stabilization doesnotwork if
ESP ®
is deactivated ordisabl edbecause ofa
malfunction. EBD
(electronic brakeforcedistribu-
tion)
General informat ion EBD
monitors andcont rolsthebrake pressure
on the rear wheels toimprove drivingstability
while braking.
Importa ntsafety notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60). G
WARNING
If EBD ismalfunctioning, therear wheels can
lock, e.g.under fullbraking. Thisincreases
the risk ofskidding andanaccident.
You should therefore adaptyour driving
style tothe different handling characteris-
tics. Have thebrake system checked ata
qual ified speciali stworkshop.
Please observe theinformation onwarning
and indicator lamps(Ypage 234)
(Y page 234)aswell ason displa ymessages
(Y page 207). ADA
PTIVE BRAKE
ADA PTIVE BRAKE enhances brakingsafetyand
offers increased brakingcomfort.In addition
to the braking function, ADAPTIVE BRAKE also has
theHOLD function (Ypage 165)andhill
start assist (Ypage 128). STEER
CONTROL
General informat ion STEE
RCONTROL helpsyoubytransmitt inga
noticeable steeringforcetothe steering wheel
in the direction requiredforvehicle stabiliza-
tion.
This steering assistance isprovided inparticu-
lar if:
R both right wheels orboth leftwheels areon
a wet orslippery roadsurface whenyou
brake
R the vehicle beginstoskid
Importa ntsafety notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60).
No steering assistance isprovided fromSTEER
CONTROL, if:
R ESP ®
is malfunctioning
R the steering ismalfunctioning
If ESP ®
is malfunctioning, youwillbeassisted
further bythe electrical powersteering. Protection
againsttheft Immobilizer
The immobili zerprevents yourvehicle from
being started without thecorrect SmartKey.
X To activate withtheSmar tKey: remove
the SmartKey fromtheignition lock.
X To
activate withKEYLESS-GO start-func-
tion orKEY LESS-GO: switchtheignition off
and open thedriver's door.
X To deactivate: switchonthe ignition.
When leaving thevehicle, alwaystake the
SmartKey withyouand lock thevehicle. Any-
one canstart theengine ifavalid SmartKey
has been leftinside thevehicle.
i The
immobili zerisalwa ysdeactivated
when youstart theengine.
In the event thattheengine cannot bestar-
ted (yet thevehicle's batteryischarged), Protection
againsttheft
67Safety Z

X
To
clos ethe tailgate automatic allyfrom
outs idethe vehic le:if the Sma rtKey is
lo cate din the imm ediate vici nity ofthe vehi-
cle ,pre ssthe 0054 button onthe Sma rtKey
(Y page 79).
Whe nthe tailgate closes youcan then
rel ease the button. KE
YLES S-GO
Gen eral notes Bea
rin mind thatthe engi necan bestarted by
any ofthe vehicleoccu pants ifther eis a
Sma rtKey inthe vehicle.
Lo ckingand unlockin g Yo
ucan start,lock orunl ock thevehicleus ing
KEYL ESS-GO .To do this,yo uonl ynee dcar ry
the Sma rtKey with you. Yo ucan comb inethe
func tions ofKEYL ESS-GO with thos eof acon-
venti onalSma rtKey .Unl ock thevehicleby
us ing KEYL ESS-GO ,for instance ,and lock it
us ing the 0037 button onthe Sma rtKey .
The driver 'sdo or and thedoor atwh ich the
ha ndl eis us ed ,mu stbo th be closed .The
Sma rtKey mustbe outsid ethe vehicle. Whe n
lo cking orunl ocki ngwith KEYL ESS-GO ,the
di sta nce betwe enthe Sma rtKey andthecorr e-
spo nding door handl emu stnot begre ater
tha nthre efee t(o ne mete r).
A che ckwhich perio dical lyesta blishes arad io
conne ctionbe twe enthe vehicleand the
Sma rtKey determi neswhethe ra val idSma rt-
Key isin the vehicle. Thi soccu rs,for exa mpl e:
R wh en starting theengi ne
R wh ile dri ving
R wh en the exter naldoor handl esare touche d
R du ring conve nience closing X
To unl ockthe vehic le:tou chthe inne rsu r-
fac eof the door handl e.
X To lock the vehic le:tou chsens orsur-
fac e0043 or0044.
Ma kesure tha tyo udo not touchthe inne r
su rfa ce ofthe door handl e.
X Co nve nien ce clos ingfea ture: touch
rece ssedsens orsurfa ce 0044 for anextend ed
pe rio d.
Fur ther informa tionon the conve nience
clo sing fea ture (Ypage 85). X
To unl ockthe tailgate :pu lltai lgate han-
dl e 0043.
De acti vati ngand activati ng If
yo udo not intendtousethe vehiclefor a
lo nger perio dof time ,yo ucan deacti vate KEY-
LESS-G O.The Sma rtKey willthen usevery lit-
tle powe r,ther ebyconse rving battery powe r.
For thepurpo ses ofacti vation/d eactiva tion,
the vehiclemu stnot benea rby.
X To deac tivate: pressthe 0037 button on
the Sma rtKey twice inrap idsucces sion.
The indicator light onthe Sma rtKey flashe s
twi ce brieflythen onelong flash, then KEY-
LESS-G Ois de acti vate d(Y page 72).
X To acti vate :pre ssany button onthe Sma rt-
Key .
or X Inse rtthe Sma rtKey intotheigniti onlock.
KEYL ESS-GO andallof its associ atedfea -
ture sare availab leag ain. 70
SmartKe
yOpening and clos ing

X
Push release catch0043 inthe direction ofthe
arrow andatthe same timeremove
mechanic alkey 0044from theSmart Key.
For further informationabout:
R Unlock ingthe driver's door(Ypage 76)
R Unlock ingthe cargo compart ment
(Y page 82)
R Lock ingthe vehicle (Ypage 77)
Inserting themechanical key X
Push mechanic alkey 0044completely intothe
Smart Keyuntil itengages andrelease
catc h0043 isback inits basic position. Smar
tKeybattery
Impor tantsafety notes G
WARNIN
G
Batt eries containtoxicand corros ivesub-
stanc es.Ifbatteries areswallowed, itcan
result insevere healthproblems. Thereisa
risk offatal injury.
Keep batteries outofthe reach ofchildren.
If abattery isswallowed, seekmedical
atten tionimmediately.
The Smart Keybatteries containperchlorat e
material, whichmayrequire specialhandling
and regard forthe environ ment.National
guidelines mustbeobserved duringdisposal.
In California, seewww.dtsc.ca. gov/
Haza rdousWast <004800120033004800550046004B004F005200550044005700480012004C0051
00470048005B0011> cfm.
Mercedes- Benzrecomm endsthatyouhave
the battery replaced ataqualified specialist
workshop. Checking
thebatt ery X
Press the0037 or0036 button .
The battery isworking properly ifbattery
check lamp0043lights upbriefly.
The battery isdischarged ifbattery check
lamp 0043does notlight upbriefly.
X Change thebattery (Ypage 72).
i Ifthe Smart Keybattery ischeck edwithin
the signal receptionrange ofthe vehicle,
pressing the0037 or0036 button :
R locks or
R unlocks thevehicle
i You
cangetabattery atany qualified spe-
cialist workshop.
Replacing thebatt ery You
require aCR 2025 3V cell battery.
X Take themechanic alkey outofthe Smart -
Key (Ypage 71). X
Press mechanic alkey 0044into theopening in
the Smart Keyinthe direction ofthe arrow
until battery traycover 0043opens. When
doing so,donot hold cover 0043shut.
X Remove batterytraycover 0043. 72
Sma
rtKeyOpening andclosing

X
Repeat edlytaptheSm artKey again styour
palm untilbat tery 0087 falls out.
X Inser tth ene wbat tery wit hth epos itive ter-
min alfac ing upwar ds.Use alin t-fr ee cloth
to do so. X
Mak esur eth at thesur faceof thebat tery is
fr ee oflint,gre ase and other contamin ants.
X Inser tth efron ttab sof bat tery tray cover 0043
and then pre sstoclo seit.
X Inser tmec hanical keyint oth eSm artKey
(Y page 72).
X Chec kth efun ction ofall Sm artKey buttons
on theveh icle. Pr
oblem swith theSm artKey Pr
oblem Poss
iblecauses/con sequenc esand 0050 0050
Solu tions You
cannotloc kor
unlo cktheveh icleusin g
th eSm artKey. The
SmartKey battery isdisc harged ornearly discharged.
X Veh
icles withoutKEYLESS -GO or KEYLESS -GO star tfu nct ion:
tr y to loc k/unlo cktheveh icleagain usingth eSm artKey' srem ote
co ntrol function .Poin tth etip of theSm artKey atthedriv er'sdoor
han dlefrom closeran geand pressthe0036 or0037 button.
If th is does notwor k:
X Chec kth eSm artKey battery (Y page 72)and replace itifne ces-
sar y(Y page 72).
X Un loc k(Y page 76)orloc k(Y page 77)th eveh icleusin gth e
mec hanical key. The
reisint erf ere ncefrom apowe rful sour ceofradi owave s.
X Veh
icles withoutKEYLESS -GO or KEYLESS -GO star tfu nct ion:
tr y to loc k/unlo cktheveh icleagain usingth eSm artKey' srem ote
co ntrol function .Poin tth etip of theSm artKey atthedriv er'sdoor
han dlefrom closeran geand pressthe0036 or0037 button.
If th is does notwor k:
X Un loc k(Y page 76)orloc k(Y page 77)th eveh icleusin gth e
mec hanical key. The
SmartKey isfault y.
X Un loc k(Y page 76)or loc k(Y page 77)theveh icleusin gth e
mec hanical key.
X Hav eth eSm artKey checke dat aqualif iedspec ialist workshop. Sm
artKey
73Opening andclosing Z