2021 MERCEDES-BENZ METRIS cruise control

1
Cup holde rs →
75
Ashtr ay →
76
2 Combination swit ch→
78
3 PARKTRONI Cwarning displa ys→
12 2
4 Adjusts thes teering wheel
St eering wheel gearshif tpad‐
dles →
106
Horn
5 Instrument clu ster →
13 6
6 DIRECT SELEC Tlever →
104
7 Center console operatin gunit
8 Inside rearvie wmirror
9 Overhead control panel
Interior lamp →
80
A Glo vebox →
75 B
Storag ecompartment
12 Vsocket →
76
Cigar ette lighter →
76
C Ignition lock →
97
D Diagnostics connection →
17
Opening theh ood →
176
E Applies thep arking brake →
109
F Releases thep arking brake →
109
G Light switch →
77
H Switc hpanelford riving sys‐
te ms:
Ç LaneKeeping Assist →
12 9
é Switches PARKTRONIC
on/off →
12 2
I Cruise control le ver→
11 5 6
Atag lanc e–Cockpit

Information on brakes
&
WARNING Risk of accident du etothe
brak esystem overheating
If yo ul eave your foot on theb rake pedal
when driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tdepress theb rake pedal and the
accelerator pedal at thes ame time
while driving. *
NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal #
Do no tdepress theb rake pedal continu‐
ously whils tdriving. #
Touse theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time. Downhillg
radients
On long and steep downhill gradients yous hould
obse rvet he following instructions:
R invehicles wit hanautomatic transmission,
shif tdow ntos hiftranges 2or 1in good time
so that thee ngine is running at amediu mto
high engine speed (/ page106).
% Chang
ethe shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page98).
Yo ut hereb ymakeu se of theb raking ef fect of the
engine and do no thave tobrak easo ften tomain‐
tai nt he speed. This relie vest he load on the
service brak eand pr events theb rake sf romo ver‐
heating and wearing tooq uickl y.
Heavy and light loads
If th eb rake sh ave been subjected toah eavy
load, do no tstopt he vehicle immediatel y.Drive
on foras hortwhile. The brakes cool down more
qu ickl yint he air flow.
If th eb rake sh ave been used onl ymoderately,
yo us houl doccasionall ytesttheir ef fectiveness.
To do this, brak emoref irml yfromah igherspeed
whil epaying attention tothet raffic conditions.
Th eb rake sw illg ripb ette rasar esult.
We troad sur faces
If yo uh ave been driving foral ong time in heavy
ra in without braking, ther em aybe adelayed
re sponse when youf irst apply theb rake s. This ma
yalso occur af terd riving thro ugh acarwa sh
or deep water.Yo um ustd epress theb rake pedal
mor efirml y.Maintai nagreater di stanc etot he
ve hicle in front.
While paying attention tothet raffic conditions,
yo us houl dbrake thev ehicle firm lyafte rd riving
on aw etroad sur face or thro ugh acarwa sh. This
heats theb rake discs so that they drym ore
qu ickl y,whic hprotects them agains tcorrosion.
Limited braking ef fect on salt-trea tedr oads:
R alayer of salt on theb rake discs or brakepads
can increase braking dis tances considerab ly,
or braking ma yhappen on onl yone side
R maintain an especiall ylarg esafed ista nce to
th ev ehicle in front
To remo vethel ayer of salt:
R appl ythe brakes from time totime ,paying
attention totraf ficc onditions
R carefully dep ress theb rake pedal at thee nd
of ajourne yand af tert he star tofan ewjour‐
ney
Checking theb rake pa dt hickness
In addition tomonitoring using theb rake pad wear
sensor ,regularly monitor and checka ll of the
brakepads byper form ing avisual inspection to
look form aterial wear on thep ads.
If yo ua reunabl etoc heckthe brakepad wear on
th ei nside of thew heels, remo vethew heels if
yo up ossess ther equired skills, or visit aqualified
specialis tworks hop.
If th eb rake pad material thickness is less than
0. 12 in (3 mm), ha vetheb rake pads checkeda nd
re placed at aqualified specialis tworks hop, if
necessar y.
Do no tsolely rely on theb rake pad wear sensor.
It is also strongly re commended that youh ave
th eb rake pads checkedataq ualified specialist
wo rkshop, no tonly at everyservice displa yedby
th em aintenanc einter vald ispla y,but also prior to
long journe ysand when everthe wheels are
re mo ved.
Chec kthe brakepads in thef ollowing cases:
R Ateve ryservice according tothem ainte‐
nanc einter val
R Befor elong journe ys
R Ateve rytirec hange
R Regular visual inspection fory our owns afety 100
Driving and pa rking

shop. This also applies
tocollisions at slow
speeds whe rether eisnov isible damag etothe
front end of thev ehicle. Setting
Activ eB rake Assi st On-boar
dcomputer:
4 DriveAssist 5
Active Brake Assist #
Select thed esired setting fort he warning/
re action tim eand press the0076 button.
The setting is retained when thev ehicle is
next star ted.
Deactivating Activ eB rake Assi st
% It is
recommended that ActiveB rake Assi stis
alw aysl efta ctivated. #
Select Offand press the0076 button.
The dis tance warning function and thea uton‐
omous braking function ar edeactivated. Also,
th es tatus appear sintheStatus overvie wof
the DriveAssist menu.
The next time thev ehicle is star ted, Ac tiveB rake
Assi stis automaticall yactivated wit hthe Medium
setting.
When ActiveB rake Assi stis activated, them ulti‐
function displa yshows the 00C7symbol.
At speeds up toappr oximately 20 mph
(30 km/h), them ultifunction displa yinvehicles
wit hA ctiv eParking Assis tfirst sho wsthe 005Dsta‐
tus indicator .Onlyf romas peed of appr oximately
20 mph(30 km/h) does them ultifunction display
sho wthe 005D symbol ins tead of the00C7 status
indicator. Cruise control
Fu
nction of cruise control
Cruise cont rola ccelerates and brakes thev ehicle
automaticall yinorder tomaintain apreviously
st ored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
Yo uo perat ecruise control usin gthe cruise con‐
trol le ver.Yo uc an stor ea nyspeed abo ve20 mph
(30 km/h).
Obser vethen otes on driving sy stems and your
re sponsibility ,otherwise youc anno trecognize
danger s(/ page 109). Sy
stem limits
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed if theu phill gradient evens out
and thev ehicle's speed does no tfall below
20 mph(30 km/h).
On long and steep downhill gradients, yous hould
ch ang edowntoa lowe rgear in good time. Take
particular no teofthis when driving aladen vehi‐
cle. By doing so, youw ill mak euse of the
engine' sbraking ef fect. Thi swillt ak es ome of the
st ra in of fthe brak esystem and pr eventthe
brakes from overheating and wearing tooq uickl y.
If yo uc hang ewheel siz eonyourvehicle, checkit
is assigned tothec orrect wheel size catego ry
( / pag e218). If thec ategor yischanged without
re coding thec ont rolu nit sint hevehicle, thef unc‐
tionin gofcruise cont rolm aybe impaired.
Do no tuse cruise control in thef ollowing situa‐
tions:
R in traf fics ituations whe refrequent speed
ch anges ar erequired, e.g. in heavy traf ficor
on winding roads
R off-road or on con stru ction sites
R on slippe ryor slic kroads, as thed rive wheels
can lose traction when accelerating and the
ve hicle can then skid
R ifth er eisp oor visibility
Operating cruise control
Requ irements
R Cruise control is selected.
R The parkin gbrake has been released.
R ESP ®
is activated, but ma ynotinter vene.
R The driving speed is at leas t20m ph
(30 km/h).
R The brak epedal is no tdepressed. Driving and parking
11 5

St
oring and maintainin gthe cur rent speed #
Brief lypress thec ruise cont rolleve rup1or
down 3. #
Remo veyour foot from thea ccelerator pedal.
The cur rent speed is then sa veda nd main‐
ta ined bythev ehicle.
When youa ctivat ecruise control, amessag ewith
th es tore ds peed is brief lyshown in them ulti‐
function display's text field. The multifunction dis‐
pla yalso sho ws the 00B2symbol and thes tored
speed.
Calling up thes toreds peed &
WARNING Risk of accident du etostored
speed
If yo uc all up thes tore ds peed and this is
lo we rthan your cur rent speed ,the vehicle
decelerates. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. #
Brief lypull thec ruise cont rolleve rind irection
2.
The las tstore ds peed is called up and main‐
ta ined bythev ehicle.
If th el asts tore ds peed has pr eviousl ybeen
dele ted, thec urrently driven speed is stored.
% When
yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Increasing or reducing the speed #
Press thec ruise cont rolleve rup1or down
3 asfarast he 1s tpressur epoint.
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press thec ruise cont rolleve rup1or down
3 beyond the1 stpressur epoint.
The stored speed is increased or reduced by
5m ph (1 0km/h).
Switching of fcruise control #
Brief lypress thec ruise cont rolleve rfor wa rds
4 .
The 00B2 symbo land thes tore ds peed in the
multifunction displa ythen go out.
% Cruise contro lisdeactivated in thef ollowing
situations:
R youa ppl ythe brakes.
R youd rive belo was peedof20m ph
(30 km/h).
R yous hiftthe transmission toposition 005C.
R ESP ®
inter venes.
R youd eactivat eESP®
.
R ther eisam alfunction wit hthe ABS or
ESP ®
sy stem.
If cruise cont rola utomaticall ydeactivates, a
wa rning tone sounds and theCRUISE CONTROL
Canceled messageappear sbriefly in them ulti‐
function displa y. Ac
tiv eD ista nce Assis tDISTRONIC Fu
nction of Activ eD ista nce Assis tDISTR ON IC
Ac tiveD ista nce Assi stDISTRONI Cmaintains the
se ts peed on free-flowing roads. If vehicles ahead
ar ed etected, thes etdis tan ce is maintained, if
necessar yuntil thev ehicle comes toah alt.The
ve hicle accelerates or brakes, depending on the
dis tance tothev ehicle in front and thes etspeed.
Speed and dis tance ar esetand stored on the
st eering wheel. The speed can be se tintherange
between 13mp h(20 km/h )and 125m ph
(200 km/h).
Other features of ActiveD istan ce Assi st
DISTRONIC:
R Depending on thep reselected dis tance,
DISTRONIC inter venes ei ther dynamically
(shor tdista nce) or tosave fuel (long dis‐
ta nce).
R Depending on thev ehicle mass de tected, the
dynamics of theD ISTRONIC inter vention are
re duced.
R Accele ratio ntot hestored speed is initiated if
th et urns ignal indicator is switched on to
ch ang etot heove rtakin glane. 11 6
Driving and pa rking

Ac
tivatin gActive Distance Assis tDISTRONIC #
Toactivat ewiththec urrent speed: briefly
press thec ruise cont rolleve rbriefly up 1or
down 4and take your foot offt he accelera‐
to rp edal.
The cur rent speed is stored and appear sin
th es peedome tera nd briefly in them ultifunc‐
tion displa y.
or #
Toactivat ewiththes tore ds peed: pullthe
cruise control le verb riefly in direction 3and
ta ke your foot offt he accelera torp edal.
The speed appear sinthe speedome tera nd
brief lyin them ultifunction displa y.
If yo udon otfull yrelease thea ccelerator pedal,
the Active Distance Assist Suspended message
appear sonthe multifunction displa y.The dis‐
ta nce toas lowe r-moving vehicle in front will then
no tbes et.T he position of thea ccelerator pedal
will de term ine thes peed.
When youp ullthec ruise cont rollev er towa rds
yo uf or thef irst time af ters tartin gt he vehicle,
Ac tiveD ista nce Assi stDISTRONI Cadoptst he
cur rent speed .Ifthe cur rent speed is less than
20 mph(30 km/h), ActiveD ista nce Assi st
DISTRONI Cadoptst he speed of 20 mph
(30 km/h).
Pulling away again with Activ eD ista nce
Assis tDISTRONIC #
Remo veyour foot from theb rake pedal. #
Brief lypull thec ruise cont rolleve rind irection
3.
or #
Depress thea ccelerator pedal briefly with
fo rc e.
The functions of ActiveD istan ce Assi st
DISTRONI Ccontinue tobe car ried out.
Deactivating Activ eD ista nce Assist
DISTRO NIC &
WARNING Risk of an accident du eto
Ac tiveD istan ce Assi stDISTRONI Cbeing
acti vewhen youl eave thed rive r's seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assi st
DISTRONI Conly,the vehicle can rollaw ay. #
Alwaysd eactivat eActiv eDista nce
Assi stDISTRONI Cand secur ethe vehi‐
cle topreve nt it from rolling away before
yo ul eave thed rive r's seat. #
Brief lypush thec ruise cont rolleve rfor wa rds
5 .
or #
Brak eifthevehicle is moving.
Increasing or reducing the speed #
Press thec ruise cont rolleve rup1or down
4 asfarast he 1s tpressur epoint.
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press thec ruise cont rolleve rup1or down
4 beyond the1 stpressur epoint.
The stored speed is increased or reduced by
5m ph (1 0km/h).
Increasing or reducing the specifie ddistance
from the vehicl einf ront 11 8
Driving and pa rking

#
Turn controller 3in direction 2toinc rease
th es pecified minimum dis tance and in di rec‐
tion 1toreduce thes pecified minimum dis‐
ta nce.
Ope ratin gA ctive Distance Assis tDISTRONIC
Re quirements
R The vehicle has been star ted. It ma ytakeup
to twom inutesofd riving befor eActiv eDis‐
ta nce Assi stDISTRONI Cisready foru se.
R The parking brak ehas been released.
R ESP ®
is activated and is no tinter vening.
R ActiveP arking Assis tisnotactivated.
R The transmissio nisinposition005B.
R The door sand tailgate/rear-en ddoor sare
closed.
R The driver's seat belt is fastened.
Switching between thel imiter and Activ eD is‐
tanc eAssis tDISTRONIC #
Press but ton6.
R LIM indica torlamp 3off: ActiveD is‐
ta nce Assi stDISTRONI Cisselected.
R LIM indica torlamp 3lit:t he variable lim‐
iter is selec ted.
Ac tivatin gActive Distance Assis tDISTRONIC #
Toactivat ewiththec urrent speed: briefly
press thec ruise cont rolleve rbriefly up 1or
down 5and take your foot offt he accelera‐
to rp edal.
The cur rent speed is stored and shown on the
speedome ter.As in thea ssis tance graphic
menu ,the multifunction displa ybrief ly sho ws
th es etspecified dis tance and thes tored
speed.
or #
Toactivat ewiththes tore ds peed: pullthe
cruise control le verb riefly in direction 4and
ta ke your foot offt he accelera torp edal.
The speed is displa yedont he speedome ter.
As in thea ssis tance graphi cmenu ,the multi‐
function displa ybrief ly sho ws th esetspeci‐
fi ed dis tance and thes tore ds peed.
% Ve
hicles wit hTraffic Sign Assis t:thes peed
de tected byTraf ficS ign Assi stcan be se tby
pulling thel eve rind irection 4.
% Yo
uc an find information on DISTRONIC dis‐
pl ay su nder "Displa ysofActiveD ista nce
Assi stDISTRONIC" (/ page 120).
If yo udon otfull yrelease thea ccelera torp edal,
the Active Distance Assist Suspended message
appear sonthe multifunction displa y.The dis‐
tan cetoas lowe r-moving vehicle in front will then
no tbes et.T he position of thea ccelera torp edal
willd etermine thes peed.
When youp ullthec ruise cont rolleve rtow ards
yo uf or thef irst time af ters tartin gt he vehicle,
Ac tiveD ista nce Assi stDISTRONI Cadoptst he
cur rent speed .Ifthe cur rent speed is less than
13 mp h(20 km/h ),Ac tiveD ista nce Assi st
DISTRONI Cadoptst he speed of 13mph
(20 km/h).
Pulling away again with Activ eD ista nce
Assis tDISTRONIC #
Remo veyour foot from theb rake pedal. #
Brief lypull thec ruise cont rolleve rind irection
4.
or #
Depress thea ccelerator pedal briefly with
fo rc e.
The functions of ActiveD istan ce Assi st
DISTRONI Ccontinue tobe car ried out.
Deactivating Activ eD ista nce Assist
DISTRO NIC &
WARNING Risk of an accident du eto
Ac tiveD istan ce Assi stDISTRONI Cbeing
acti vewhen youl eave thed rive r's seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assi st
DISTRONI Conly,the vehicle can rollaw ay. #
Alwaysd eactivat eActiv eDista nce
Assi stDISTRONI Cand secur ethe vehi‐
cle topreve nt it from rolling away before
yo ul eave thed rive r's seat. Driving and parking
11 9

Righ
tcontrol pane lonthesteering wheel
00E3 R
Vehicles wit hnavigation sy stem:
switc hont hevoice control func‐
tion of then avigation sy stem (see
th em anufacturer's operating
instructions)
0063 R
Switc hthe sound on/off The audio equipment,
telephon eoperation and
vo ice control using thes teering-wheel buttons on
th er ight cont rolp anel workonl yw itha
Mercedes-Benz audio or navigation sy stem. If you
ar eu singana udio or navigatio nsystemf rom
ano ther manufacturer ,the described functions
ma yber estricted or ma ynotbe available at all. Overvie
wofwhat is shown on them ulti‐
function display
Multifunction displa y(vehicles without steer‐
ing wheel but tons) Multifunction displa
y(example)
1 Time
00B2 Cruise control (/ page115 )
2 Cons tant displ ay:o utsid etemperatur eor
speed
75 mph(120k m/h)! (for cer tain countries
only) Maximum permit teds peed exceeded
3 Displa ysection ford ispla ymessa ges, menus
and menu bar
4 Fuel le vel
Fu elfiller flap locatio nindicator 007F:the
fuel filler cap is on thel eft
5 00C5 Rear wind owwiper (/ page86)
Displa ysection 3showsthes elected menu or
submenu as well as displa ymessages. Multifunction displa
y(vehicles wit hsteering
wheel but tons) Multifunction displa
y(example)
1 Time
2 00C7 ActiveB rake Assi st (/ pag e113 )
005D ActiveP arking Assis t(/pag e125)
3 Constant display: outside temp eratur eor
speed (/ page148)
75 mph(120k m/h)! (for cer tain countries
only) Maximum permit teds peed exceeded
4 Menu bar
Outside temp eratur e(onl yifh eader A
sho ws th eadditional speedome ter)
5 Comfor tdispla y(/ pag e104)
6 Transmission position (/ page104)
7 Status area
8 Displa ysectio nfor displa ymessa ges, menus
and menu bar
9 Header
Yo uc an call up men ubar4 inthed ispla ysec‐
tion bypressing the0059 or0065 steering-wheel
button. It will automaticall ydisappear again af ter
af ew seconds.
Displa ysection 9showsthes elected menu or
submenu as well as displa ymessages.
In status area 8,the multifunction displa ycan
sho wthe status of thef ollowing driving sy stems:
00AD AT
TENTION ASSIS T(/ pag e127)
00B0 Lane
Keeping Assis t(/pag e129)
00B2 Cruise control (/
page115 ) 14 0
Instrument clus tera nd on-boar dcomputer

R
Cruise control
R Servic einter vals
Setting thet imea nd da te #
Press the0078button toselect thet ime and
dat edispla y. #
Use the0074or0075 button tosetthe hour sand
press 0078toconfirm. #
Use the0074or0075 button tosetthe minutes
and press 0078toconfirm. #
Use the0074or0075 button tosetthe da yand
press 0078toconfirm. #
Use the0074or0075 button tosetthe mont hand
press 0078toconfirm. #
Use the0074or0075 button tosetthe year and
press 0078toconfirm.
The displa yshows the Settings menu again. Menus and submenus (vehicles with
steer‐
ing-wheel but tons) Service menu
Overview
#
Use the0059 or0065 button toselect the
Service menu.
Depending on thee quipment, youh avet he fol‐
lowing option sinthe Service menu:
R Calling up displa ymessages in them essage
memor y(/pag e235).
R Checking thet irep ressur eelectronicall yor
re startin gthe tir epressur emonitoring sy stem
(/ page209).
R Calling up thes ervice due dat e(ASS YST
PLUS) (/ page175) Assistanc
emenu #
Use the0059 or0065 button toselect the
DriveAssist menu. Depending on
thev ehicle's equipment, youh ave
th ef ollowing options on theDriveAssist menu:
R Displaying thes tatus overview
R Showing thea ssis tant displ ay forActiv eBrake
Assi st (/ pag e113)orA ctiv eDista nce Assi st
DISTRONI C(/pa ge120).
R Swit ching ESP ®
on/of f(/pag e111,112 ).
R Switching ActiveB rake Assi ston/off
(/ page115).
R Setting thes ensitivity of ATTENTION ASSIST
(/ page128)
R Switchin gBlindS potA ssis ton/off
(/ page129)
R Setting thes ensitivity of Lane Keeping Assist
(/ page130)
St atus overview St
atus overview( example)
1 BlindSpotA ssis tswitched on and active
2 Rear wind owwiper swit ched on
3 ATTENTION ASSIS Tswitched on
4 Distance warning function of ActiveB rake
Assi stswitched on
5 Lane Keeping Assis tswitched on and ready
fo ru se #
Use the0064 or0063 button toselect the
ove rview. #
Press the0076 button.
The status overviews hows onlythe symbols
of thed riving sy stems or driving saf etys ys‐
te ms that ha vebeen switched on.
The symbols forB lind Spo tAssis tand Lane
Ke eping Assis tmayvary depending on the
sy stem status:
R Ifth es ymbol forB lind Spo tAssist 1
does no tshowa nyradar waves between
th et wo vehicles, Blind Spo tAssis thas
been switched on but is no tready foru se. 14 4
Instrument clus tera nd on-boar dcomputer