Page 338 of 514

337 Operation
Tires and wheels
Steps for determining correct load limit
The following steps have been developed
as required of all manufacturers under
Title 49, Code of U.S. Federal Regulations,
Part 575 pursuant to the “National Traffic
and Motor Vehicle Safety Act of 1966”.
Step 1
Locate the statement “The combined
weight of occupants and cargo should
never exceed XXX kg or XXX lbs.” on
your vehicle’s placard.
Step 2
Determine the combined weight of the
driver and passengers that will be
riding in your vehicle.
Step 3
Subtract the combined weight of the
driver and passengers from XXX kilo-
grams or XXX lbs.Step 4
The resulting figure equals the avail-
able amount of cargo and luggage load
capacity. For example, if the “XXX”
amount equals 1400 lbs. and there will
be five 150 lbs. passengers in your
vehicle, the amount of available cargo
and luggage load capacity is 650 lbs.
(1400-750 (5 x 150) = 650 lbs.).
Step 5
Determine the combined weight of
luggage and cargo being loaded on the
vehicle. That weight may not safely
exceed the available cargo and luggage
load capacity calculated in step 4.Step 6 (if applicable)
If your vehicle will be towing a trailer,
load from your trailer will be trans-
ferred to your vehicle. Consult this
manual to determine how this reduces
the available cargo and luggage load
capacity of your vehicle (
page 339).
The following table shows examples on
how to calculate total and cargo load
capacities with varying seating configura-
tions and number and size of occupants.
The following examples use a load limit
of 1500 lbs. This is for illustration
purposes only. Make sure you are using
the actual load limit for your vehicle stated
on the vehicle’s placard (
page 336).
Page 340 of 514

339 Operation
Tires and wheels
Certification label
Even after careful determination of the
combined weight of all occupants, cargo
and the trailer tongue load (if applicable)
(page 339) as to not exceed the permis-
sible load limit, you must make sure that
your vehicle never exceeds the Gross Vehi-
cle Weight Rating (GVWR) and the Gross
Axle Weight Rating (GAWR) for either the
front or rear axle. You can obtain the
GVWR and GAWR from the certification la-
bel. The certification label can be found on
the driver’s door B-pillar, see “Technical
data” (
page 476).Gross Vehicle Weight Rating (GVWR): The
total weight of the vehicle, all occupants,
all cargo, and the trailer tongue load
(
page 339) must never exceed the
GVWR.
Gross Axle Weight Rating (GAWR): The to-
tal allowable weight that can be carried by
a single axle (front or rear).
To assure that your vehicle does not ex-
ceed the maximum permissible weight
limits (GVWR and GAWR for front and rear
axle), have the loaded vehicle (including
driver, passengers and all cargo and, if ap-
plicable, trailer fully loaded) weighed on a
suitable commercial scale.Trailer tongue load
The tongue load of any trailer is an impor-
tant weight to measure because it affects
the load you can carry in your vehicle. If a
trailer is towed, the tongue load must be
added to the weight of all occupants riding
and any cargo you are carrying in the
vehicle. The tongue load typically is
10 percent of the trailer weight and every-
thing loaded in it.
Your Mercedes-Benz has been designed
primarily to carry passengers and their
cargo. Mercedes-Benz does not recom-
mend trailer towing with your vehicle.
Page 371 of 514

370 OperationVehicle careEngine cleaning
Prior to cleaning the engine compartment,
make sure to protect electrical compo-
nents and connectors from contact with
water and cleaning agents.
Corrosion protection, such as MB Anticor-
rosion Wax should be applied to the engine
compartment after every engine cleaning.
Before applying, all control linkage bush-
ings and joints should be lubricated. The
poly-V-belt and all pulleys should be pro-
tected from any wax.
Vehicle washing
In the winter, thoroughly remove all traces
of road salt as soon as possible.
When washing the vehicle underbody, do
not forget to clean the inner sides of the
wheels.Hand-wash
Do not use hot water or wash your vehicle
in direct sunlight.
Only use a mild car wash detergent,
such as Mercedes-Benz approved Car
Shampoo.
Thoroughly spray the vehicle with a dif-
fused jet of water.
Direct only a very weak spray towards
the ventilation intake.
Use plenty of water and rinse the
sponge and chamois frequently.
Rinse with clean water and thoroughly
dry with a chamois.
Do not allow cleaning agents to dry on
the finish.Automatic car wash
You can have your car washed in an auto-
matic car wash from the start. Automatic
car washes without brushes are prefera-
ble.
To protect the filter system, switch the
automatic climate control to air recir-
culation mode (
page 216) or
(
page 233).
If the vehicle is very dirty, prewash it be-
fore running it through the automatic car
wash.
i
Vehicles with KEYLESS-GO*:
If a door handle is hit by a strong jet of water, and
a SmartKey with KEYLESS-GO* is in close prox-
imity, i.e. within approximately 3 ft (approxi-
mately 1 m), the vehicle could be inadvertently
locked or unlocked.
!
Do not use scouring agents on these parts.
Never apply strong force and only use a soft,
non-scratching cloth when cleaning the vehicle.
Do not attempt to wipe the surface with a dry
cloth or sponge.
Otherwise you may scratch or damage the paint.
!
Do not clean your vehicle in an automatic
touchless car wash which uses caustic spray.
Otherwise the caustic spray will damage the
paint or ornamental moldings.
Page 378 of 514
377 Practical hints
What to do if …
Where will I find ...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Resetting activated head restraints
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses
Page 431 of 514

430 Practical hintsWhere will I find ...?First aid kit
The first aid kit is in the storage compart-
ment at the front edge of the front passen-
ger seat.
1Tab
Pull tab1 upward.
Fold the covering forward.
Remove the first aid kit.
Vehicle tool kit, jack and spare wheel
The vehicle tool kit, jack and spare wheel
are stored in the compartment underneath
the third row seat cushions and footwell
(page 431) or underneath the cargo
compartment floor (E 63 AMG only).
The vehicle tool kit includes:
One pair of universal pliers
One towing eye bolt
One wheel wrench
One alignment bolt
One fuse extractor
Spare fuses
Collapsible wheel chock
A pair of glovesVehicles without foldable third row
seat (E 63 AMG only) - Vehicle tool kit,
jack and collapsible tire
The vehicle tool kit is located in the cargo
compartment underneath the front cargo
compartment floor.
1Front cargo compartment floor
2Rear cargo compartment floor
Pull release handle 1 or 2 and fold
the respective cargo compartment
floor upward.
i
Check expiration dates and contents for
completeness at least once a year and replace
missing/expired items.
Page 438 of 514
437 Practical hints
Unlocking/locking in an emergency
Remove the mechanical key2 out of
the SmartKey (
page 435).
Insert the mechanical key2 into the
driver’s door lock until it stops.
Turn the mechanical key2 clockwise
to position1.
The driver’s door is locked.Manually unlocking the gear selector
lever
In case of power failure, the gear selector
lever can be manually unlocked, e.g. to tow
the vehicle.
1Pin
Open the storage compartment in the
center armrest (
page 283).
Take out the cup holder (
page 284).
Insert a suitable object1 (e.g. a pin)
through the hole and press the pin
downward.
Remove pin1.
1
Locking
2
Mechanical key
i
This procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap.
i
The gear selector lever is locked again when
moving it to positionP.
Page 440 of 514

439 Practical hints
Resetting activated head restraints
Resetting activated head restraints
If the active head restraints have been trig-
gered in an accident, the active head re-
straints must be reset. Otherwise, the
active head restraints cannot offer any ad-
ditional protection in the event of another
rear-end collision.
You can tell that the head restraints have
been triggered when they have been
moved forward and cannot be adjusted.
Take the reset tool out of the
Mercedes-Benz vehicle literature
pouch.
Guide reset tool into center of head re-
straint between head restraint cushion
and rear head restraint cover.
Press reset tool forward in direction of
arrow.
Press reset tool downward until you
hear the head restraint release
mechanism audibly engage.
Pull out reset tool.
Firmly press head restraint cushion
backward towards the rear of the vehi-
cle until it engages.
Repeat this procedure on the active
head restraints for second head re-
straint.
For information on active head restraints,
see “Active head restraints” (
page 87).
For information on head restraint adjust-
ment, see “Seats” (
page 43).
i
For your convenience, we recommend that
you have this work carried out by an authorized
Mercedes-Benz Center.
You will find the reset tool for manually operating
the head restraints in the Mercedes-Benz vehicle
literature pouch.Warning!
G
For safety reasons, have the active head re-
straints checked by an authorized
Mercedes-Benz Center after a rear-end colli-
sion.
Warning!
G
When pushing back the head restraint cush-
ion, take care that your fingers do not be-
come caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
!
Be careful not to damage upholstery.
Page 451 of 514
450 Practical hintsReplacing wiper blades
Remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*:
Make sure the vehicle’s on-board
electronics have status0
(page 39).
Fold the wiper arm away from the vehi-
cle until it engages.
1Wiper blade
2Tab
3Attachment
4Removing
Turn the wiper blade1 at a right angle
to wiper arm.
Press tab2 down and push wiper
blade1 downward in direction of
arrow4.
Remove wiper blade1.
Installing rear wiper blade
1Wiper blade
2Tab
3Attachment
4Installing
Slide the wiper blade1 into
attachment3 in direction of
arrow4.
Let tab2 latch into attachment3
until it locks in place.
Check if the wiper blade is securely fas-
tened.
Fold the wiper arm back towards the
vehicle to rest on the rear windshield.
Make sure you hold on to the wiper arm
when folding it back.
!
Do not pull on the wiper blade inserts. They
could tear.