Page 334 of 498

333 Operation
Tires and wheels
GVWR (G
ross V
ehicle W
eight R
ating)
This is the maximum permissible vehicle
weight of the fully loaded vehicle (weight of
the vehicle including all options, passen-
gers, fuel, and cargo and, if applicable,
trailer tongue load). It is indicated on
certification label located on the driver’s
door B-pillar.
Kilopascal (kPa)
The metric unit for air pressure. There are
6.9 kPa to 1 psi; another metric unit for air
pressure is bars. There are 100 kilopascals
(kPa) to 1 bar.
Maximum load rating
The maximum load in kilograms and
pounds that can be carried by the tire.
Maximum loaded vehicle weight
The sum of curb weight, accessory weight,
vehicle capacity weight and production
options weight.Maximum tire inflation pressure
This number is the greatest amount of air
pressure that should ever be put in the tire
under normal driving conditions.
Normal occupant weight
The number of occupants the vehicle is
designed to seat, multiplied by
68 kilograms (150 lbs).
Occupant distribution
The distribution of occupants in a vehicle
at their designated seating positions.
Production options weight
The combined weight of those installed
regular production options weighing over
5 lbs (2.3 kilograms) in excess of those
standard items which they replace, not
previously considered in curb weight or
accessory weight, including heavy duty
brakes, ride levelers, roof rack, heavy duty
battery, and special trim.PSI (P
ounds per s
quare i
nch)
A standard unit of measure for air pressure
-> bar, kilopascal (kPa).
Recommended tire inflation pressure
Recommended tire inflation pressure
listed on placard located on driver’s door
B-pillar for normal driving conditions.
Provides best handling, tread life and
riding comfort.
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated.
Sidewall
The portion of a tire between the tread and
the bead.
Page 343 of 498

342 OperationVehicle careCleaning and care of vehicle
While in operation, even while parked, your
vehicle is subjected to varying external in-
fluences which, if gone unchecked, can at-
tack the paintwork as well as the
underbody and cause lasting damage.Such damage is caused not only by ex-
treme and varying climatic conditions, but
also by:
Air pollution
Road salt
Tar
Gravel and stone chipping
To avoid paint damage, you should imme-
diately remove:
Grease and oil
Fuel
Coolant
Brake fluid
Bird droppings
Insects
Tree resins etc.
Frequent washing reduces and/or elimi-
nates the aggressiveness and potency of
the above adverse influences.More frequent washings are necessary to
deal with unfavorable conditions:
near the ocean
in industrial areas (smoke, exhaust
emissions)
during winter operation
You should check your vehicle from time to
time for stone chipping or other damage.
Any damage should be repaired as soon as
possible to prevent corrosion.
In doing so, do not neglect the underbody
of the vehicle. A prerequisite for a thor-
ough check is a washing of the underbody
followed by a thorough inspection. Dam-
aged areas need to be re-undercoated.
Your vehicle has been treated at the facto-
ry with a wax-base rustproofing in the body
cavities which will last for the lifetime of
the vehicle. Post-production treatment is
neither necessary nor recommended by
Mercedes-Benz because of the possibility
of incompatibility between materials used
in the production process and others ap-
plied later.
Warning!
G
Many cleaning products can be hazardous.
Some are poisonous, others are flammable.
Always follow the instructions on the partic-
ular container. Always open your vehicle’s
doors or windows when cleaning the inside.
Never use fluids or solvents that are not
designed for cleaning your vehicle.
Always lock away cleaning products and
keep them out of reach of children.
Page 393 of 498
392 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
<
Seat belt system
Drive to workshop
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
9
Service memory full
See Operator’s Manual
The maintenance service system memory
cannot save any more data.
Have the service memory checked by
an authorized Mercedes-Benz Center.
K
Close
tilt/sliding sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the sliding portion of the
tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 220).
J
Close
tilt/sliding sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilting portion of the
tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 220).
Page 407 of 498
406 Practical hintsOpening/closing in an emergencyPower tilt/sliding sunroof
You can open or close the tilt/sliding sun-
roof manually should an electrical malfunc-
tion occur.
The tilt/sliding sunroof drive is located be-
hind lens1 of the interior overhead light.
1Cover
Remove the SmartKey from the starter
switch.
Press on cover1 in direction of the
arrow to release it.2Hole
3Crank
Take crank3 out of the glove box.
Insert crank3 through hole2.
Turn crank3 clockwise to:
slide roof panel/sunroof closed
raise roof panel/sunroof at the rear
Turn crank3 counterclockwise to:
slide roof panel/sunroof open
lower roof panel/sunroof at the
rear
iTurn crank3 slowly and smoothly.
The tilt/sliding sunroof must be syn-
chronized after being operated
manually (
page 221).
Page 433 of 498

432 Practical hintsBattery
Disconnecting the battery
Depress parking brake firmly or move
gear selector lever to positionP.
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Vehicles with KEYLESS-GO*:
Press the start/stop button until
the engine shuts off.
Open the driver’s door.
Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof battery only to avoid the risk
of acid burns in the event of an accident.
Warning!
G
The electro-hydraulic brake system requires
electrical power to operate.
A malfunction in the vehicle’s power supply
or electrical system may impair brake sys-
tem operation and switch it into its emer-
gency operation mode. The same applies if
battery is disconnected. To brake, the driver
must then apply significantly greater brake
pedal pressure and depress the pedal much
further to obtain the expected braking ef-
fect. If necessary, apply full pressure to the
brake pedal. Brakes may only be applied to
the front wheels. Stopping distance is in-
creased! Adjust your driving style according-
ly. For more information, refer to
“Electro-hydraulic brake system”
(page 89).
Warning!
G
With a disconnected battery
you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO* start/stop
button on the gear selector lever will
have no effect
the gear selector lever will remain
locked in positionP
Page 435 of 498

434 Practical hintsBattery
Charge battery in accordance with the
instructions of the battery charger
manufacturer.
Reinstall the charged battery. Follow
the previously described steps in re-
verse order.
Reconnecting the battery
Turn off all electrical consumers.
Remove the SmartKey from the starter
switch.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
Install the luggage box (
page 401).
Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12 volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
!The battery, its filler caps and the
battery ventilation tube must always be
securely installed when the vehicle is in
operation.
!Never invert the terminal connections!
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):
Set the clock (
page 162)
(see COMAND operator’s manual).
Resynchronize the ESP
®
(
page 368).
Resynchronize the side windows
(page 216).
Resynchronize the tilt/sliding sun-
roof (
page 221).
Page 461 of 498
460 Technical dataWeightsRoof load max.
220 lb (100 kg)
Trunk load max.
220 lb (100 kg)
Page 484 of 498

483 Index
Door
Entry lamps 143
Message in display 382
Remote door unlock (Tele Aid) 269
Door control panel 32
Door handle 32
Doors
Opening from inside vehicle 111
DOT 332, 473
Drinking and driving 279
Drive-dynamic seat* 127
Driving
Abroad 287
Hydroplaning 283
In winter 285
Instructions 46
Problems 56
Safety systems 84
Systems 222
Through standing water 287
Driving hints
Electro-hydraulic brake system 92
Driving instructions 279
Driving off 282Driving safety systems
ABS 84
BAS 86
Electro-hydraulic brake system 89
ESP
®
86, 473
Driving systems 222
Airmatic DC 238
Cruise control 222
Distronic* 226
Driving safety systems 84
Vehicle level control 239
DTR see Distronic*
Dual control
Airmatic DC 238
E
Easy-entry/exit feature* 42
Electric air pump 427
Electrical fuses see fuses
Electrical system, Technical data 458Electro-hydraulic brake system 89, 476
Activation 90
Deactivation 91
Driving hints 92
Messages in display 375, 376
Self-check 91
Warning lamp 89
Electronic Stability Program see ESP
®
Emergency calls
Tele Aid calls 263
Emergency operation
(Limp-Home Mode) 190
Emergency operations 406
Fuel filler flap 404
Gear selector lever, Unlocking 404
Locking/unlocking the vehicle 402
Power tilt/sliding sunroof,
manual operation 406
Remote door unlock 269
Trunk lid, Releasing trunk from
inside 120
Trunk lid, Unlocking 403
Emergency tensioning device see ETD