
ASSYST PLUS service interval display
Function ofthe ASSYST PLUS service intervaldisplay
The ASSYST PLUS service interval display ontheInstrument Display provides information ontheremaining time or distance beforethe nextservice due date.
You can hidethis service message usingtheback button onthe left-hand side ofthesteeringwheel.
Depending on howthevehicle is used,theASSYST PLUS service interval display mayshortenthe service interval, e.g. inthefollowingcases:
RMainly short-distance driving
RWhenthe engine is often leftidlingfor longperiods
RIntheevent of frequent coldstart phases
Mercedes-Benzrecommendsavoiding suchoperating conditions.
You can obtain further information concerningthe servicing ofyourvehicle from aqualified
specialistworkshop, e.g. an authorizedMercedes-Benz Center.
Displayingthe service due date
On-board computer:
,Service.ASSYST PLUS
The next service due date is displayed.
#Toexitthe display:pressthe back buttononthe left-hand side ofthesteering wheel.
Make suretoobservethefollowing furtherrela‐ted subject:
ROperatingthe on-board computer(→page 252).
Information onregular maintenancework
*NOTEPrematurewearthroughfailuretoobserveservice due dates
Serviceworkwhich is not carried out attheright time or incompletelycan leadtoincreasedwear and damagetothevehicle.
#Always observethe prescribed serviceintervals.
#Always havethe prescribed serviceworkcarried out at aqualified specialistworkshop.
Special servicerequirements
The prescribed service interval is based on nor‐mal operation ofthevehicle. Maintenanceworkwill needtobe performed more often ifthevehi‐cle is operated under arduous conditions orincreased loads.
The ASSYST PLUS service interval display is onlyan aid. The driver ofthevehicle bearsresponsi‐bility asregardstowhether maintenanceworkneedstobe performed more oftenthan speci‐fied based onthe actual operating conditionsand/or loads.
Examples of arduous operating conditions:
Rregular city driving with frequent intermedi‐atestops
Rmainly short-distance driving
Maintenance and care395

Emergency
Removing the safetyvest
The safetyvests are located instowage spacesinthe front door.
#Takethe safetyvestbag out ofstowagespace1.
#Openthe safetyvestbag and pull outthesafetyvest.
%Safetyvests can also bestored inthereardoorstowage spaces.
1Maximum number ofwashes
2Maximumwashtemperature
3Do not bleach
4Do not iron
5Do not tumble dry
6Do not dry clean
7This is a class 2vest
Therequirements definedbythe legalstandardare only fulfilled inthefollowing cases:
Rifthe safetyvestisthe correct size
Rthe safetyvestis fully closed whilst beingworn
Replacethe safetyvestinthefollowing cases:
Rthereflectivestrips are damaged or dirt onthereflectivestrips can no longer beremoved
Rthe maximum number ofwashes isexceeded
Rthefluorescence hasfaded
Flat tire
Notes on flat tires
&WARNINGRisk of accident duetoaflattire
Aflat tire severelyaffectsthe drivingcharac‐teristics aswell asthesteering and brakingofthevehicle.
Tires withoutrun-flatcharacteristics:
#Do not drive on with aflat tire.
#Changetheflat tire immediately with anemergency sparewheel or spare wheel.Alternatively,consult aqualified spe‐cialistworkshop.
Breakdown assistance413

Tires withrun-flatcharacteristics:
#Observethe information andwarningnotes on MOExtended tires (run-flattires).
Intheevent of aflat tire,thefollowing optionsareavailable depending onyourvehicle's equip‐ment:
RVehicles with MOExtended tires:it is pos‐sibletocontinuethe journeyfor a shortperiod of time. Make sureyou observethenotes on MOExtended tires (run-flat tire)(→page414).
RVehicles with a TIREFIT kit:you canrepairthe tires sothat it is possibletocontinuethejourneyfor a short period of time.Todothis,usethe TIREFIT kit (→page415).
RVehicles with Mercedes me connect:youcan make a callforRoadside Assistance viatheoverhead control panel inthe case of abreakdown (→page 344).
RAllvehicles:changethe wheel(→page 458).
Notes on MOExtended tires (run-flat tire)
&WARNINGRisk of accident when drivingin emergency mode
When driving in emergency mode,the han‐dlingcharacteristics are impaired. e.g. whencornering, when acceleratingstronglyandwhen braking.
#Do notexceedthe permissible maxi‐mum speedfor MOExtended tires.
#Avoid any abruptsteering and drivingmaneuvers aswell as drivingoverobstacles (curbs, pot holes, off-road).This applies, in particular,toa loadedvehicle.
#Stop driving inthe emergency mode ifyou notice:
Rbanging noise
Rvehicle vibration
Rsmoke which smells likerubber
Rcontinuous ESP®intervention
Rcracksin tire sidewalls
#After driving in emergency mode havetherimscheckedbyaqualified special‐istworkshop withregardtotheir furtheruse.
#The defective tire must bereplaced ineverycase.
WithMOExtended tires (run-flat tire),you cancontinuetodriveyourvehicleeven ifthere is atotal loss of pressure in one or more tires. How‐ever,the tire affected must not show any clearlyvisible damage.
You canrecognize MOExtended tiresbytheMOExtended marking which appearsonthe sidewall ofthe tire.
Vehicles with tire pressure monitoring sys‐tem:MOExtended tires may only be used in con‐junction withan activated tire pressure monitor‐ing system.
If a pressure losswarning message appears inthe multifunction display,proceed asfollows:
RCheckthe tirefor damage.
RIf driving on, observethefollowing notes.
414Breakdown assistance

#Toreduce the tire pressure:press pressurerelease button1nexttopressuregauge2.
#Whenthe tire pressure is correct, unscrewthefilling hose fromthevalve ofthe sealedtire.
#Screwthevalve cap ontothevalve ofthesealed tire.
#Pullthe tire sealant bottle out ofthe tireinflation compressor.Thefilling hosestays onthe tire sealant bot‐tle.
#Drivetothe nearestqualified specialistwork‐shop and havethe tire, tire sealant bottle andfilling hosereplacedthere.
Battery(vehicle)
Notes onthe12V battery
&WARNINGRisk of an accident duetoworkcarried out incorrectly onthe bat‐tery
Workcarried out incorrectly onthe batterycan,forexample, leadtoa short circuit. Thiscan leadtofunctionrestrictions in safety-rel‐evant systems,forexamplethe lighting sys‐
tem, ABS (anti-lockbraking system) or ESP®
(ElectronicStability Program). The operatingsafety ofyourvehicle may berestricted.
You could lose control ofthevehicle inthefollowing situations:
Rwhen braking
Rintheevent of abruptsteering maneuversand/or whenthevehicle's speed is notadaptedtotheroad conditions
#Intheevent of a shortcircuit or a simi‐lar incident, contact aqualified special‐istworkshop immediately.
#Do not continue driving.
#Always haveworkonthe battery carriedout at aqualified specialistworkshop.
RFurther information on ABS (→page192)
RFurther information on ESP®(→page193)
For safetyreasons, Mercedes-Benzrecommendsthatyou onlyuse batteries which havebeentes‐ted and approvedforyourvehiclebyMercedes-Benz. These batteries provide increased impactprotectiontopreventvehicle occupants fromsuffering acid burns shouldthe battery be dam‐aged intheevent of an accident.
Breakdown assistance419

Mercedes-Benzrecommends transportingyourvehicle inthe case of a breakdown,ratherthantowing itaway.
Fortowing, use atowrope ortow bar with bothaxles onthe ground. Do not usetow bar systems(→page249).
*NOTEDamagetothevehicle dueto tow‐ingawayincorrectly
#Observethe instructions and notes ontowingaway.
Towing with araised axle:towing should beperformedbyatowing company.
Permittedtowing methods
Vehicle equipment/towingmethod
Bothaxles onthegroundFront axleraisedRear axleraised
Vehicles with automatic transmis‐sionYes, maximum31miles (50 km) at31mph (50 km/h)NoYes, ifthesteering wheel isfixed inthe center position with asteeringwheel lock
4MATICvehiclesYes, maximum31miles (50 km) at31mph (50 km/h)NoNo
Breakdown assistance425