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Let the engine cool down before opening the cap. Wear eye and hand protection when opening the cap. Open the cap slowly half a turn to allow pressure to escape.
remove it. If the coolant is at the level of marker bar = in the filler neck when cold, there is enough coolant in coolant expansion tank ;.
If the coolant level is approximately 0.6 in (1.5 cm) above marker bar = in the fuel filler neck when warm, there is enough coolant in expansion tank ;.
X If necessary, add coolant that has been tested and approved by Mercedes-Benz.
X Replace cap : and turn it clockwise as far
as it will go.
For further information on coolant, see (Y page 445).
370 Maintenance
Adding washer fluid to the windshield
Maintenance
washer system/headlamp cleaning
system
G WARNING Windshield washer concentrate is highly flammable. If it comes into contact with hot engine components or the exhaust system it could ignite. There is a risk of fire and injury.
Make sure that no windshield washer concentrate is spilled next to the filler neck.
Example: washer fluid reservoir
Example: washer fluid reservoir in AMG vehicles
X To open: pull cap : upwards by the tab.
X Add the premixed washer fluid.
X To close: press cap : onto the filler neck
until it engages.
The washer fluid reservoir is used for both the windshield washer system and the headlamp cleaning system.
Further information on windshield washer fluid/antifreeze (Y page 446).
ASSYST PLUS
Service message
The ASSYST PLUS service interval display informs you of the next service due date.
Information on the type of service and service intervals (see the separate Maintenance Booklet).
You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (USA only).
i The ASSYST PLUS service interval display
does not show any information on the engine oil level. Observe the notes on the engine oil level (Y page 367).
The multifunction display shows a service message for several seconds, e.g.:
RNext Service A
in .. Days
RService A Due
RService A Exceeded by ... Days
Depending on the operating conditions of the vehicle, the remaining time or distance until the next service due date is displayed.
The letter A or B, possibly in connection with a number or another letter, shows the type of service. A stands for a minor service and B for a major service.
You can obtain further information from an authorized Mercedes-Benz Center.
The ASSYST PLUS service interval display does not take into account any periods of time during which the battery is disconnected.
Maintaining the time-dependent service schedule:
X Note down the service due date displayed
in the multifunction display before disconnecting the battery.
or
X After reconnecting the battery, subtract
the battery disconnection periods from the service date shown on the display.
Care 371
Hiding a service message
Ruse in mountainous terrain or on poor road
X Press the % or a button on the
steering wheel.
Displaying service messages
X Switch on the ignition. X Press the = or ; button on the
steering wheel to select the Serv. menu. X Press the9 or: button to select the
ASSYST PLUS submenu and confirm by pressing the a button. The service due date appears in the multifunction display.
Information about Service
Resetting the ASSYST PLUS service
interval display ! If the ASSYST PLUS service interval
display has been inadvertently reset, this setting can be corrected at a qualified specialist workshop.
Have service work carried out as described in the Maintenance Booklet. This may otherwise lead to increased wear and damage to the major assemblies or the vehicle.
A qualified specialist workshop, e.g. an authorized Mercedes-Benz Center, will reset the ASSYST PLUS service interval display after the service work has been carried out. You can also obtain further information on maintenance work, for example.
Special service requirements
The specified maintenance interval takes only the normal operation of the vehicle into account. Under arduous operating conditions or increased load on the vehicle, maintenance work must be carried out more frequently, for example:
Rregular city driving with frequent
intermediate stops
Rif the vehicle is primarily used to travel
short distances
surfaces
Rif the engine is often left idling for long
periods
Under these or similar conditions, have, for example, the air filter, engine oil and oil filter replaced or changed more frequently. Under arduous operating conditions, the tires must be checked more often. Further information can be obtained at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.
Driving abroad
An extensive Mercedes-Benz Service network is also available in other countries. You can obtain further information from any authorized Mercedes-Benz Center.
Care
General notes
H Environmental note Dispose of empty packaging and cleaning cloths in an environmentally responsible manner.
! For cleaning your vehicle, do not use any
of the following:
Rdry, rough or hard cloths
Rabrasive cleaning agents
Rsolvents
Rcleaning agents containing solvents
Do not scrub.
Do not touch the surfaces or protective films with hard objects, e.g. a ring or ice scraper. You could otherwise scratch or damage the surfaces and protective film.
! Do not park the vehicle for an extended period straight after cleaning it, particularly after having cleaned the wheels with wheel cleaner. Wheel cleaners could cause increased corrosion of the brake discs and brake pads/linings. For this reason, you
372 Care
should drive for a few minutes after cleaning. Braking heats the brake discs and the brake pads/linings, thus drying them. The vehicle can then be parked.
Regular care of your vehicle is a condition for retaining the quality in the long term.
Use care products and cleaning agents recommended and approved by Mercedes- Benz.
Washing the vehicle and cleaning the
is in transmission position N, otherwise the vehicle could be damaged.
RVehicles with a SmartKey:
Do not remove the SmartKey from the ignition lock. Do not open the driver's door or front-passenger door when the engine is switched off. Otherwise, the automatic transmission selects park position P automatically and locks the wheels. You can prevent this by shifting the automatic transmission to N beforehand.
paintwork
RVehicles with KEYLESS-GO:
Automatic car wash
G WARNING Braking efficiency is reduced after washing the vehicle. There is a risk of an accident.
After the vehicle has been washed, brake carefully while paying attention to the traffic conditions until full braking power is restored.
! If DISTRONIC PLUS or the HOLD function
is activated, the vehicle brakes automatically in certain situations. To prevent damage to the vehicle, deactivate DISTRONIC PLUS and the HOLD function in the following or other similar situations:
Rwhen towing the vehicle
Rin the car wash
! Never clean your vehicle in a Touchless Automatic Car Wash as these use special cleaning agents. These cleaning agents can damage the paintwork or plastic parts.
! Make sure that:
Rthe side windows and the sliding sunroof
are fully closed.
Rthe ventilation/heating is switched off
(the OFF button has been pressed).
Rthe windshield wiper switch is in position
0.
Otherwise, the vehicle might be damaged.
! In car washes with a towing mechanism, make sure that the automatic transmission
Do not open the driver's door or front- passenger door when the engine is switched off. Otherwise, the automatic transmission selects park position P automatically and locks the wheels.
Observe the following to make sure that the automatic transmission stays in position N:
X Make sure the vehicle is stationary and the
ignition is switched off.
X Turn the SmartKey to position
2 (Y page 163) in the ignition lock. Use the SmartKey instead of the Start/ Stop button on vehicles with KEYLESS-GO.
X Depress and hold the brake pedal.
X Shift the automatic transmission to
position N.
X Release the brake pedal.
X Release the electric parking brake.
X Switch off the ignition and leave the
SmartKey in the ignition lock.
You can wash the vehicle in an automatic car wash from the very start.
If the vehicle is very dirty, pre-wash it before cleaning it in an automatic car wash.
After using an automatic car wash, wipe off wax from the windshield and the wiper blades. This will prevent smears and reduce wiping noises caused by residue on the windshield.
Washing by hand
Do not aim directly at any of the following:
Care 373
In some countries, washing by hand is only allowed at specially equipped washing bays. Observe the legal requirements in all countries concerned.
X Do not use hot water and do not wash the
vehicle in direct sunlight.
X Use a soft sponge to clean.
X Use a mild cleaning agent, such as a car
shampoo approved by Mercedes-Benz.
X Thoroughly hose down the vehicle with a
gentle jet of water.
X Do not point the water jet directly towards
the air inlets.
X Use plenty of water and rinse out the
sponge frequently.
X Rinse the vehicle with clean water and dry
thoroughly with a chamois.
X Do not let the cleaning agent dry on the
paintwork.
When using the vehicle in winter, remove all traces of road salt deposits carefully and as soon as possible.
Power washers
G WARNING The water jet from a circular jet nozzle (dirt blasters) can cause invisible exterior damage to the tires or chassis components. Components damaged in this way may fail unexpectedly. There is a risk of an accident.
Do not use power washers with circular jet nozzles to clean the vehicle. Have damaged tires or chassis components replaced immediately.
! Always maintain a distance of at least
11.8 in (30 cm) between the vehicle and the power washer nozzle. Information about the correct distance is available from the equipment manufacturer.
Move the power washer nozzle around when cleaning your vehicle.
Rtires
Rdoor gaps, roof gaps, joints, etc.
Relectrical components
Rbattery
Rconnectors
Rlights
Rseals
Rtrim
Rventilation slots
Damaged seals or electrical components can lead to leaks or failures.
Cleaning the paintwork
! Do not affix:
Rstickers
Rfilms
Rmagnetic plates or similar items
to painted surfaces. You could otherwise damage the paintwork.
Scratches, corrosive deposits, areas affected by corrosion and damage caused by inadequate care cannot always be completely repaired. In such cases, visit a qualified specialist workshop.
X Remove dirt immediately, where possible,
while avoiding rubbing too hard.
X Soak insect remains with insect remover
and rinse off the treated areas afterwards.
X Soak bird droppings with water and rinse
off the treated areas afterwards.
X Remove coolant, brake fluid, tree resin, oils, fuels and greases by rubbing gently with a cloth soaked in petroleum ether or lighter fluid.
X Use tar remover to remove tar stains.
X Use silicone remover to remove wax.
If water no longer forms "beads" on the paint surface, use the paint care products recommended and approved by Mercedes- Benz. This is the case approximately every
374 Care
three to five months, depending on the climate conditions and the care product used.
If dirt has penetrated the paint surface or if the paint has become dull, the paint cleaner recommended and approved by Mercedes- Benz should be used.
Do not use these care products in the sun or on the hood while the hood is hot.
X Use a suitable touch-up stick, e.g. MB
Touch-Up Stick, to repair slight damage to the paintwork quickly and provisionally.
Matte finish care
! Never polish the vehicle or the light alloy
wheels. Polishing causes the finish to shine.
! The following may cause the paint to
become shiny and thus reduce the matte effect:
RVigorous rubbing with unsuitable
materials.
RFrequent use of car washes.
RWashing the vehicle in direct sunlight.
! Never use paint cleaner, buffing or
polishing products, or gloss preserver, e.g. wax. These products are only suitable for high-gloss surfaces. Their use on vehicles with matte finish leads to considerable surface damage (shiny, spotted areas).
Always have paintwork repairs performed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.
! Do not use wash programs with a hot wax
treatment under any circumstances.
Observe these notes if your vehicle has a clear matte finish. This will help you to avoid damage to the paintwork due to incorrect treatment.
These notes also apply to light alloy wheels with a clear matte finish.
i The vehicle should preferably be washed by hand using a soft sponge, car shampoo and plenty of water.
i Use only insect remover and car shampoo
from the range of recommended and approved Mercedes-Benz care products.
Cleaning the vehicle parts
Cleaning the wheels
! Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components.
! Do not park the vehicle for an extended period straight after cleaning it, particularly after having cleaned the wheels with wheel cleaner. Wheel cleaners could cause increased corrosion of the brake discs and brake pads/linings. For this reason, you should drive for a few minutes after cleaning. Braking heats the brake discs and the brake pads/linings, thus drying them. The vehicle can then be parked.
Cleaning the windows
G WARNING You could become trapped by the windshield wipers if they start moving while cleaning the windshield or wiper blades. There is a risk of injury.
Always switch off the windshield wipers and the ignition before cleaning the windshield or wiper blades.
! Do not use dry cloths, abrasive products,
solvents or cleaning agents containing solvents to clean the inside of the windows. Do not touch the insides of the windows with hard objects, e.g. an ice scraper or ring. There is otherwise a risk of damaging the windows.
! Clean the water drainage channels of the windshield and the rear window at regular intervals. Deposits such as leaves, petals and pollen may under certain circumstances prevent water from draining
away. This can lead to corrosion damage and damage to electronic components.
X Clean the inside and outside of the
windows with a damp cloth and a cleaning product that is recommended and approved by Mercedes-Benz.
Cleaning wiper blades
G WARNING You could become trapped by the windshield wipers if they start moving while cleaning the windshield or wiper blades. There is a risk of injury.
Always switch off the windshield wipers and the ignition before cleaning the windshield or wiper blades.
! Do not pull the wiper blade. Otherwise,
the wiper blade could be damaged.
! Do not clean wiper blades too often and do not rub them too hard. Otherwise, the graphite coating could be damaged. This could cause wiper noise.
! Hold the wiper arm securely when folding back. The windshield could be damaged if the wiper arm smacks against it suddenly.
X Fold the windshield wiper arms away from
the windshield.
X Carefully clean the wiper blades with a
damp cloth.
X Fold the windshield wiper arms back again
before switching on the ignition.
Cleaning the exterior lighting
! Only use cleaning agents or cleaning
cloths which are suitable for plastic light lenses. Unsuitable cleaning agents or cleaning cloths could scratch or damage the plastic light lenses.
X Clean the plastic lenses of the exterior lighting using a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths.
Care 375
Mirror turn signals
! Only use cleaning agents or cleaning
cloths that are suitable for plastic lenses. Unsuitable cleaning agents or cleaning cloths could scratch or damage the plastic lenses of the mirror turn signals.
X Clean the plastic lenses of the mirror turn signals in the exterior mirror housing using a wet sponge and mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths.
Cleaning the sensors
! If you clean the sensors with a power
washer, make sure that you keep a distance of at least 11.8 in (30 cm) between the vehicle and the power washer nozzle. Information about the correct distance is available from the equipment manufacturer.
X Clean sensors : of the driving systems
with water, car shampoo and a soft cloth.
Cleaning the rear view camera
! Do not clean the camera lens and the area around the rear view camera with a power washer.
i If you are traveling faster than 20 mph (30 km/h) or the SmartKey is in position 0 or 1 in the ignition lock, the cover of the 360° camera closes automatically.
Cleaning the exhaust pipe
! Do not clean the exhaust pipe with acid-
based cleaning agents such as sanitary cleansers or wheel cleaners.
Impurities combined with the effects of road grit and corrosive environmental factors may cause flash rust to form on the surface. You can restore the original shine of the exhaust pipe by cleaning it regularly, especially in winter and after washing.
X Clean the exhaust pipe with a chrome care product tested and approved by Mercedes- Benz.
Cleaning the trailer tow hitch
H Environmental note Dispose of rags soaked in oil and grease in an environmentally responsible manner.
! Do not clean the ball coupling with a
power washer. Do not use solvents.
! Observe the note on care provided by the
trailer manufacturer.
376 Care
X Use clear water and a soft cloth to clean
camera lens :.
Cleaning the 360° camera
! Do not clean the camera lens and the area
around the 360° camera with a power washer.360
X Make sure that the vehicle is stationary and
that the SmartKey is in position 2 in the ignition lock.
X To open the cover of the 360° camera: with COMAND activated, press the W button.
X Select System by turning cVd the
COMAND controller and press W to confirm.
X Select 360° Camera and press W to
confirm.
X Select Open Camera Cover and press W
to confirm. The cover of the 360° camera opens.
X To clean the 360° camera: clean camera lens : with clean water and a soft cloth.
The ball coupling must be cleaned if it becomes dirty or corroded.
camera lens is dirty, visit a qualified specialist workshop.
Care 377
X Remove rust on the ball of the ball coupling,
e.g. with a wire brush.
X Remove dirt with a clean, lint-free cloth or
a brush.
X After cleaning, lightly oil or grease ball
coupling :.
X Check that the vehicle's trailer tow hitch is
working properly.
i You can also have the maintenance work on the ball coupling and the trailer tow hitch carried out by a qualified specialist workshop.
Interior care
Cleaning the display
! For cleaning, do not use any of the
following:
Ralcohol-based thinner or gasoline
Rabrasive cleaning agents
Rcommercially-available household
cleaning agents
These may damage the display surface. Do not put pressure on the display surface when cleaning. This could lead to irreparable damage to the display.
X Before cleaning the display, make sure that
it is switched off and has cooled down.
X Clean the display surface using a
commercially available microfiber cloth and TFT/LCD display cleaner.
X Dry the display surface using a dry
microfiber cloth.
Cleaning Night View Assist Plus
! Never clean the camera lens. When
cleaning the field of vision of the driving systems, make sure that you do not spray glass cleaner on the camera lens. If the
X Fold down the camera cover by recess :.
X Use a soft cloth to clean the windshield in
front of camera ;.
Cleaning the plastic trim
G WARNING Care products and cleaning agents containing solvents cause surfaces in the cockpit to become porous. As a result, plastic parts may come loose in the event of air bag deployment. There is a risk of injury.
Do not use any care products and cleaning agents to clean the cockpit.
! Do not affix the following to plastic
surfaces:
Rstickers
Rfilms
Rscented oil bottles or similar items
You can otherwise damage the plastic.
378 Care
! Do not allow cosmetics, insect repellent or sunscreen to come into contact with the plastic trim. This maintains the high-quality look of the surfaces.
X Wipe the plastic trim with a damp, lint-free
cloth, e.g. a microfiber cloth.
X Heavy soiling: use care and cleaning
products recommended and approved by Mercedes-Benz. The surface may change color temporarily. Wait until the surface is dry again.
Cleaning the steering wheel and gear or
selector lever
X Thoroughly wipe with a damp cloth or use
leather care agents that have been recommended and approved by Mercedes- Benz.
Cleaning genuine wood and trim
elements
! Do not use solvent-based cleaning agents
such as tar remover, wheel cleaners, polishes or waxes. There is otherwise a risk of damaging the surface.
! Do not use chrome polish on trim pieces. The trim pieces have a chrome look but are mostly made of anodized aluminum and can lose their shine if chrome polish is used. Use a damp, lint-free cloth instead when cleaning the trim pieces.
If the chrome-plated trim pieces are very dirty, you can use a chrome polish. If you are unsure as to whether the trim pieces are chrome-plated or not, consult an authorized Mercedes-Benz Center.
X Wipe the wooden trim and trim pieces with
a damp, lint-free cloth, e.g. a microfiber cloth.
X Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz.
Cleaning the seat covers
General notes ! Do not use microfiber cloths to clean
genuine leather, artificial leather or Alcantara® covers. If used often, these can damage the cover.
i Note that regular care is essential to
ensure that the appearance and comfort of the covers is retained over time.
Genuine leather seat covers ! To retain the natural appearance of the
leather, observe the following cleaning instructions:
RClean genuine leather covers carefully
with a damp cloth and then wipe the covers down with a dry cloth.
RMake sure that the leather does not
become soaked. It may otherwise become rough and cracked.
ROnly use leather care agents that have
been tested and approved by Mercedes- Benz. You can obtain these from a qualified specialist workshop.
Leather is a natural product.
It exhibits natural surface characteristics, for example:
RDifferences in the texture
RSigns of stretching and marking
RSlight nuances of color
These are characteristics of leather and not material defects.
Seat covers of other materials ! Observe the following when cleaning:
RClean artificial leather covers with a cloth
moistened with a solution containing 1% detergent (e.g. dish washing liquid).
RClean cloth covers with a microfiber
cloth moistened with a solution containing 1% detergent (e.g. dish washing liquid). Rub carefully and always wipe entire seat sections to avoid leaving visible lines. Leave the seat to dry
afterwards. Cleaning results depend on the type of dirt and how long it has been there.
RClean Alcantara® covers with a damp cloth. Make sure that you wipe entire seat sections to avoid leaving visible lines.
Cleaning the seat belts
G WARNING Seat belts can become severely weakened if bleached or dyed. This could cause the seat belts to tear or fail, for instance, in the event of an accident. This poses an increased risk of injury or fatal injury.
Never bleach or dye the seat belts.
! Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 ‡ (80 †) or placing them in direct sunlight.
X Use clean, lukewarm water and soap
solution.
Cleaning the headliner and carpets
X Headliner: if it is very dirty, use a soft brush
or dry shampoo.
X Carpets: use the carpet and textile cleaning agents recommended and approved by Mercedes-Benz.
Care 379
380
Useful information ............................ 382
Where will I find...? ........................... 382
Flat tire .............................................. 383
Battery (vehicle) ................................ 387
Jump-starting .................................... 391
Towing and tow-starting .................. 393
Fuses .................................................. 396
381
382 Where will I find...?
Useful information
i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.
i Read the information on qualified specialist workshops: (Y page 28).
changing a wheel are specific to the vehicle. For more information on which tools are required to perform a wheel change on your vehicle, consult a qualified specialist workshop.
Tools required for changing a wheel may include, for example:
RJack
RWheel chock
RLug wrench
RRatchet wrench
RAlignment bolt
Vehicles with a TIREFIT kit
Where will I find...?
First-aid kit
: Lug wrench
; Towing eye
= Ratchet wrench
? Alignment bolt
A Tire sealant filler bottle
B Tire inflation compressor
C Folding wheel chock
D Jack
E Wheel bolts
X Lift the cargo compartment floor up
(Y page 343).
X Use the TIREFIT kit (Y page 385).
X Open the tailgate.
X Remove first-aid kit : from the parcel net.
i Check the expiration date on the first-aid
kit at least once a year. Replace the contents if necessary, and replace missing items.
Vehicle tool kit
General notes
The vehicle tool kit can be found in the stowage well under the cargo compartment floor.
i Apart from certain country-specific
variations, the vehicles are not equipped with a tire-change tool kit. Some tools for
Vehicles with a "Minispare" emergency
X Secure the vehicle against rolling away
spare wheel
(Y page 183).
Flat tire 383
X If possible, bring the front wheels into the
straight-ahead position.
X Vehicles with the ON&OFFROAD
package: make sure that highway level is selected (Y page 207).
X Switch off the engine.
X Vehicles without KEYLESS-GO: remove
the SmartKey from the ignition lock.
X Vehicles with KEYLESS-GO: open the
driver's door. The on-board electronics now have status 0. This is the same as the key having been removed.
X Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock (Y page 163).
X All occupants must get out of the vehicle. Make sure that they are not endangered as they do so.
X Make sure that no one is near the danger
area while a wheel is being changed. Anyone who is not directly assisting in the wheel change should, for example, stand behind the barrier.
X Get out of the vehicle. Pay attention to
traffic conditions when doing so.
X Close the driver's door.
X Unload heavy luggage.
i Only operate the tire inflation compressor using a 12 V socket, even if the ignition is turned off (Y page 348).
An emergency cut-out ensures that the on- board voltage does not drop too low. If the on-board voltage is too low, the power to the sockets is automatically cut. This ensures that there is sufficient power to start the engine.
: Alignment bolt
; Velcro fastener
= Folding wheel chock
? Ratchet wrench
A Lug wrench
B Jack
C Wheel bolts
D Towing eye
X Lift the cargo compartment floor up
(Y page 343).
Flat tire
Preparing the vehicle
Your vehicle may be equipped with:
RMOExtended tires (tires with run-flat
properties) (Y page 384)
Vehicle preparation is not necessary on vehicles with MOExtended tires.
Ra TIREFIT kit (Y page 382)
Ran emergency spare wheel (only for certain
countries) (Y page 434)
Information on changing/mounting a wheel (Y page 423).
X Stop the vehicle on solid, non-slippery and level ground, as far away as possible from traffic.
X Switch on the hazard warning lamps.
384 Flat tire
MOExtended tires (tires with run-flat
properties)
General notes
With MOExtended tires (tires with run flat characteristics), you can continue to drive your vehicle even if there is a total loss of pressure in one or more tires. The affected tire must not show any clearly visible damage.
You can recognize MOExtended tires by the MOExtended marking which appears on the sidewall of the tire. You will find this marking next to the tire size designation, the load- bearing capacity and the speed index (Y page 417).
MOExtended tires may only be used in conjunction with an active tire pressure loss warning system or with an active tire pressure monitor.
If the pressure loss warning message
appears in the multifunction display:
RObserve the instructions in the display
messages (Y page 314).
RCheck the tire for damage.
RIf driving on, observe the following notes.
The maximum driving distance is approximately 50 miles (80 km) when the vehicle is partially laden and approximately 18 miles (30 km) when the vehicle is fully laden.
In addition to the vehicle load, the driving distance possible depends upon:
Rspeed
Rroad condition
Routside temperature
The driving distance possible in run-flat mode may be reduced by extreme driving conditions/maneuvers, or it can be increased through a moderate style of driving.
The maximum permissible distance which can be driven in run-flat mode is counted from the moment the tire pressure loss warning appears in the multifunction display.
You must not exceed a maximum speed of 50 mph (80 km/h).
i When replacing one or all tires, make sure
that you use only tires:
Rof the size specified for the vehicle and
Rmarked "MOExtended"
If a tire has gone flat and cannot be replaced with a MOExtended tire, a standard tire may be used as a temporary measure. Make sure that you use the proper size and type (summer or winter tire).
i Vehicles with MOExtended tires are not equipped with a TIREFIT kit at the factory. It is therefore recommended that you additionally equip your vehicle with a TIREFIT kit if you mount tires that do not feature run-flat properties, e.g. winter tires. A TIREFIT kit may be obtained from a qualified specialist workshop.
Important safety notes
G WARNING When driving in emergency mode, the driving characteristics deteriorate, e.g. when cornering, accelerating quickly and when braking. There is a risk of an accident.
Do not exceed the stated maximum speed. Avoid abrupt steering and driving maneuvers, and driving over obstacles (curbs, potholes, off-road). This applies in particular to a laden vehicle.
Stop driving in emergency mode if:
Ryou hear banging noises.
Rthe vehicle starts to shake.
Ryou see smoke and smell rubber.
RESP® is intervening constantly.
Rthere are tears in the sidewalls of the tire.
After driving in emergency mode, have the wheel rims checked at a qualified specialist workshop with regard to their further use. The defective tire must be replaced in every case.
TIREFIT kit
Important safety notes
G WARNING In the following situations, the tire sealant is unable to provide sufficient breakdown assistance, as it is unable to seal the tire properly:
Rthere are cuts or punctures in the tire larger
than those mentioned above.
Rthe wheel rim is damaged.
Ryou have driven at very low tire pressures
or on a flat tire.
There is a risk of an accident.
Do not drive any further. Contact a qualified specialist workshop.
G WARNING The tire sealant is harmful and causes irritation. It must not come into contact with your skin, eyes or clothing or be swallowed. Do not inhale TIREFIT fumes. Keep tire sealant away from children. There is a risk of injury.
If you come into contact with the tire sealant, observe the following:
RRinse off the tire sealant from your skin
immediately with water.
RIf the tire sealant comes into contact with
your eyes, immediately rinse them thoroughly with clean water.
RIf tire sealant is swallowed, immediately
rinse your mouth out thoroughly and drink plenty of water. Do not induce vomiting, and seek medical attention immediately.
RImmediately change out of clothing which
has come into contact with tire sealant.
RIf an allergic reaction occurs, seek medical
attention immediately.
! Do not operate the tire inflation
compressor for longer than eight minutes at a time without a break. It may otherwise overheat.
Flat tire 385
The tire inflation compressor can be operated again once it has cooled down.
Using the TIREFIT kit
TIREFIT is a tire sealant.
TIREFIT can be used to seal small punctures of up to 0.16 inches (4 mm), particularly on the tire tread. You can use TIREFIT at outside temperatures down to Ò4 ‡ (Ò20 †).
TIREFIT sticker, 2-part
X Do not remove any foreign objects which
have penetrated the tire, e.g. screws or nails.
X Remove the tire sealant bottle, the
accompanying TIREFIT sticker and the tire inflation compressor from the stowage well underneath the cargo compartment floor (Y page 382).
X Affix part : of the TIREFIT sticker within
the driver's field of vision.
X Affix part ; of the TIREFIT sticker near the valve on the wheel with the defective tire.
386 Flat tire
X Pull plug ? with the cable and hose A out
of the housing.
X Screw hose A onto flange B of tire
sealant bottle :.
X Place tire sealant bottle : head
downwards into recess ; of the tire inflation compressor.
If a tire pressure of 180 kPa (1.8 bar/26 psi) has not been attained after five minutes: (Y page 386).
i If tire sealant leaks out, allow it to dry. It
can then be removed like a layer of film.
If your clothes are soiled with tire sealant, have them cleaned with perchloroethylene at a dry cleaner as soon as possible.
Tire pressure not reached
If a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved after five minutes:
X Switch off the tire inflation compressor.
X Unscrew the filler hose from the valve of
the faulty tire.
X Very slowly drive forwards or reverse
approximately 30 ft (10 m).
X Remove the cap from valve C on the faulty
X Pump up the tire again.
tire.
X Screw filler hose D onto valve C.
X Insert connector ? into a 12 V socket in
your vehicle.
Observe the notes on sockets (Y page 348).
X Turn the SmartKey to position 1 in the
ignition lock (Y page 163).
X Press on/off switch = on the tire inflation
compressor to I. The tire inflation compressor is switched on. The tire is inflated.
i First, tire sealant is pumped into the tire.
The pressure can briefly rise to approximately 500 kPa (5 bar/73 psi).
Do not switch off the tire inflation
compressor during this phase.
X Allow the tire inflation compressor to run
for five minutes. The tire should then have attained a pressure of at least 180 kPa (1.8 bar/26 psi).
If a tire pressure of 180 kPa (1.8 bar/26 psi) has been attained after five minutes: (Y page 386).
After a maximum of five minutes the tire pressure must be at least 180 kPa (1.8 bar/ 26 psi).
G WARNING If the required tire pressure is not reached after the specified time, the tire is too badly damaged. The tire sealant cannot repair the tire in this instance. Damaged tires and a tire pressure that is too low can significantly impair the vehicle's braking and driving characteristics. There is a risk of accident.
Do not continue driving. Contact a qualified specialist workshop.
Tire pressure reached
G WARNING A tire temporarily sealed with tire sealant impairs the driving characteristics and is not suitable for higher speeds. There is a risk of accident.
You should therefore adapt your driving style accordingly and drive carefully. Do not exceed the specified maximum speed with a tire that has been repaired using tire sealant.
Battery (vehicle)
387
placard on the B-pillar on the driver's side or tire pressure table on the fuel filler flap).
X To increase the tire pressure: switch on
the tire inflation compressor.
! Residue from the tire sealant may come out of the filler hose after use. This could cause stains.
Therefore, place the filler hose in the plastic bag which contained the TIREFIT kit.
H Environmental note Have the used tire sealant bottle disposed of professionally, e.g. at a qualified specialist workshop.
If a tire pressure of 180 kPa (1.8 bar/26 psi) has been attained after five minutes:
X Switch off the tire inflation compressor.
X Unscrew the filler hose from the valve of
the faulty tire.
E Pressure release button
X Stow the tire sealant bottle and the tire
F Pressure gauge
inflation compressor.
X Pull away immediately.
The maximum speed for a tire sealed with tire sealant is 50 mph (80 km/h). The upper part of the TIREFIT sticker must be affixed to the instrument cluster in the driver's field of vision.
X Stop after driving for approximately ten
minutes and check the tire pressure with the tire inflation compressor. The tire pressure must now be at least 130 kPa (1.3 bar/19 psi).
G WARNING If the required tire pressure is not reached after driving for a short period, the tire is too badly damaged. The tire sealant cannot repair the tire in this instance. Damaged tires and a tire pressure that is too low can significantly impair the vehicle's braking and driving characteristics. There is a risk of accident.
Do not continue driving. Contact a qualified specialist workshop.
X Correct the tire pressure if it is still at least
130 kPa (1.3 bar/19 psi) (for the values, see the Tire and Loading Information
X To reduce the tire pressure: press
pressure release button E on the filler hose.
X Stow the tire sealant bottle and the tire
inflation compressor.
X Drive to the nearest qualified specialist
workshop and have the tire changed there.
X Have the tire sealant bottle replaced as soon as possible at a qualified specialist workshop.
X Have the tire sealant bottle replaced every
four years at a qualified specialist workshop.
Battery (vehicle)
Important safety notes
Special tools and expert knowledge are required when working on the battery, e.g. removal and installing. You should therefore have all work involving the battery carried out at a qualified specialist workshop.
G WARNING Work carried out incorrectly on the battery can, for example, lead to a short circuit and damage your vehicle's electronic system. This
388 Battery (vehicle)
can disrupt driving safety systems such as ABS (anti-lock braking system) or ESP® (Electronic Stability Program).
RIf ABS malfunctions, the wheels can lock during braking. This limits the steerability of the vehicle when braking and the braking distance may increase. There is a risk of accident.
RIf ESP® malfunctions, the vehicle will not be stabilized if it starts to skid or a wheel starts to spin. There is a risk of accident.
You should therefore have all work involving the battery carried out at a qualified specialist workshop.
G WARNING Electrostatic build-up can lead to the creation of sparks, which could ignite the highly explosive gases of a battery. There is a risk of an explosion.
Before handling the battery, touch the vehicle body to remove any existing electrostatic build-up.
The highly flammable gas mixture forms when charging the battery as well as when jump- starting.
Always make sure that neither you nor the battery is electrostatically charged. There is a build-up of electrostatic charge, e.g.:
Rby wearing clothing made from synthetic
fibers
Rdue to friction between clothing and seats
Rif you push or pull the battery across the
carpet or other synthetic materials
Rif you wipe the battery with a cloth.
G WARNING During the charging process, a battery produces hydrogen gas. If a short circuit occurs or sparks are created, the hydrogen gas can ignite. There is a risk of an explosion.
RMake sure that the positive terminal of a
connected battery does not come into contact with vehicle parts.
RNever place metal objects or tools on a
battery.
RIt is important that you observe the
described order of the battery terminals when connecting and disconnecting a battery.
RWhen jump-starting, make sure that the battery poles with identical polarity are connected.
RIt is particularly important to observe the
described order when connecting and disconnecting the jumper cables.
RNever connect or disconnect the battery
terminals while the engine is running.
G WARNING Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention.
H Environmental note
Batteries contain dangerous substances. It is against the law to dispose of them with the household rubbish. They must be collected separately and recycled to protect the environment.
Dispose of batteries in an environmentally friendly manner. Take discharged batteries to a qualified specialist workshop or a special collection point for used batteries.
! Have the battery checked regularly at a
qualified specialist workshop.
Observe the service intervals in the Maintenance Booklet or contact a qualified specialist workshop for more information.
! You should have all work involving the
battery carried out at a qualified specialist workshop. In the exceptional case that it is necessary for you to disconnect the battery yourself, make sure that:
Ryou switch off the engine and remove the
SmartKey. On vehicles with KEYLESS- GO, ensure that the ignition is switched off. Check that all the indicator lamps in the instrument cluster are off. Otherwise, electronic components, such as the alternator, may be damaged.
Ryou first remove the negative terminal
clamp and then the positive terminal clamp. Never swap the terminal clamps. Otherwise, the vehicle's electronic system may be damaged.
Rthe transmission is locked in position P
after disconnecting the battery. The vehicle is secured against rolling away. You can then no longer move the vehicle.
The battery and the cover of the positive terminal clamp must be installed securely during operation.
Comply with safety precautions and take protective measures when handling batteries.
WARNING
Fire, open flames and smoking are prohibited when handling the battery. Avoid creating sparks.
Battery acid is caustic. Avoid contact with the skin, eyes or clothing.
Wear suitable protective clothing, in particular gloves, an apron and a face mask.
Battery (vehicle)
389
Immediately rinse acid splashes off with clean water. Consult a doctor if necessary.
Wear eye protection.
Keep children away.
Observe this Operator's Manual.
For safety reasons, Mercedes-Benz recommends that you only use batteries which have been tested and approved for your vehicle by Mercedes-Benz. These batteries provide increased impact protection to prevent vehicle occupants from suffering acid burns should the battery be damaged in the event of an accident.
In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged.
The vehicle battery, like other batteries, can discharge over time if you do not use the vehicle. In this case, have the battery disconnected at a qualified specialist workshop. You can also charge the battery with a charger recommended by Mercedes- Benz. Contact a qualified specialist workshop for further information.
Have the battery charge level checked more frequently if you use the vehicle mainly for short trips or if you leave it standing idle for a lengthy period. Consult a qualified specialist workshop if you wish to leave your vehicle parked for a long period of time.
i Remove the SmartKey if you park the vehicle and do not require any electrical consumers. The vehicle will then use very little energy, thus conserving battery power.
Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. A battery charger unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available as an accessory. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for further information and availability. Charge the battery in accordance with the separate instructions for the battery charger.
The jump-starting connection point is in the engine compartment (Y page 391).
Read the battery charger's operating instructions before charging the battery.
X Open the hood (Y page 366).
X Connect the battery charger to the positive
terminal and ground point in the same order as when connecting the donor battery in the jump-starting procedure (Y page 391).
390 Battery (vehicle)
i If the power supply has been interrupted,
e.g. if you reconnect the battery, you will have to:
Rset the clock. Information on setting the
clock can be found in the separate operating instructions.
On vehicles with COMAND and a navigation system, the clock is set automatically.
Rreset the function for folding the exterior mirrors in/out automatically, by folding the mirrors out once (Y page 119).
Charging the battery
G WARNING During charging and jump-starting, explosive gases can escape from the battery. There is a risk of an explosion.
Particularly avoid fire, open flames, creating sparks and smoking. Ensure there is sufficient ventilation while charging and jump-starting. Do not lean over a battery.
G WARNING Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention.
G WARNING A discharged battery can freeze at temperatures below freezing point. When jump-starting the vehicle or charging the battery, gases can escape from the battery. There is a risk of an explosion.
Allow the frozen battery to thaw out before charging it or jump-starting.
! Only use battery chargers with a
maximum charging voltage of 14.8 V.
! Only charge the battery using the jump-
starting connection point.
Jump-starting 391
Jump-starting
For the jump-starting procedure, use only the jump-starting connection point, consisting of a positive terminal and an earth point, in the engine compartment.
G WARNING Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention.
G WARNING During charging and jump-starting, explosive gases can escape from the battery. There is a risk of an explosion.
Particularly avoid fire, open flames, creating sparks and smoking. Ensure there is sufficient ventilation while charging and jump-starting. Do not lean over a battery.
G WARNING During the charging process, a battery produces hydrogen gas. If a short circuit occurs or sparks are created, the hydrogen gas can ignite. There is a risk of an explosion.
RMake sure that the positive terminal of a connected battery does not come into contact with
vehicle parts.
RNever place metal objects or tools on a battery.
RIt is important that you observe the described order of the battery terminals when connecting
and disconnecting a battery.
RWhen jump-starting, make sure that the battery poles with identical polarity are connected.
RIt is particularly important to observe the described order when connecting and disconnecting
the jumper cables.
RNever connect or disconnect the battery terminals while the engine is running.
G WARNING A discharged battery can freeze at temperatures below freezing point. When jump-starting the vehicle or charging the battery, gases can escape from the battery. There is a risk of an explosion.
Allow the frozen battery to thaw out before charging it or jump-starting.
G WARNING
