2008 MERCEDES-BENZ ML320 replacing the battery

Contents
Replacing bulbs ................................. 463
Bulbs ............................................ 463
Replacing bulbs for front lamps.... 466
Replacing bulbs for rear lamps ..... 471
Adjusting headlamp aim ............... 473
Replacing wiper blades ...................... 475
Front wiper blades ....................... 475
Rear wiper blade .......................... 476
Flat tire .............................................. 478
Preparing the vehicle.................... 478
Mounting the spare wheel ............ 479
Bleeding the fuel system
(diesel engine only) ............................ 488
Battery ............................................... 489
Disconnecting, removing,
reinstalling and
reconnecting the battery .............. 491
Charging the battery .................... 496
Jump starting ..................................... 497
Towing the vehicle ............................. 499
Installing towing eye bolt.............. 501
Stranded vehicle .......................... 503Fuses ................................................. 504
Fuse box in
engine compartment .................... 505
Fuse box in
cargo compartment...................... 505
Fuse box in passenger
compartment ............................... 506
Emergency engine shut-down ...... 506
Technical data................................. 507
Parts service ...................................... 508
Warranty coverage............................. 509
Loss of Service and Warranty
Information Booklet ..................... 509
Identification labels ........................... 510
Layout of poly-V-belt drive ................. 512
ML 320 CDI .................................. 512
ML 350, ML 550 .......................... 512
ML 63 AMG .................................. 512
Engine................................................ 513
Rims and tires.................................... 515
Same size tires ............................. 516
Spare wheel ................................. 518Electrical system ............................... 519
Main Dimensions ............................... 520
Weights ............................................. 521
Fuels, coolants, lubricants ................. 522
Capacities .................................... 522
Engine oils ................................... 525
Engine oil additives ...................... 525
Air conditioning refrigerant .......... 525
Brake fluid.................................... 525
Premium unleaded gasoline
(gasoline engine).......................... 526
Fuel requirements ........................ 526
Gasoline additives
(gasoline engine).......................... 527
Coolants ...................................... 528
Windshield washer system and
headlamp cleaning system*......... 530
Index................................................. 531

399 Practical hints
What to do if …
Where will I find ...?
Unlocking/locking in an emergency
Resetting activated head restraints
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Bleeding the fuel system
(diesel engine only)
Battery
Jump starting
Towing the vehicle
Fuses

461 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Light Truck Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1 from the
SmartKey or SmartKey with
KEYLESS-GO* (
page 455).1Mechanical key
2Battery compartment
Insert mechanical key1 into opening.
Press mechanical key1 in direction of
arrow.
The battery compartment2 is
unlatched.
Pull battery compartment2 out of the
SmartKey housing.
Warning!G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen inserting the batteries, make sure
they are clean and free of lint.
iWhen replacing batteries, always replace
both batteries.
The required replacement batteries are available
at any Mercedes-Benz Light Truck Center.


462 Practical hints
Replacing SmartKey batteries
3Batteries
4Contact spring
Pull out batteries3.
Using a line-free cloth, insert new
batteries3 under contact springs4
with the positive terminal (+) side
facing up.
Return battery compartment2 into
housing until it locks into place.
Slide mechanical key1 back into the
SmartKey or SmartKey with
KEYLESS-GO*.
Check the operation of the SmartKey
or SmartKey with KEYLESS-GO*.


489 Practical hints
Battery
Battery
The battery is located under the front
passenger seat.
The battery should always be sufficiently
charged in order to achieve its rated ser-
vice life.
If you use your vehicle mostly for
short-distance trips, you will need to have
the battery charge checked more
frequently.
When replacing the battery, always use
batteries approved by Mercedes-Benz.
If you do not intend to operate your vehicle
for an extended period of time, consult an
authorized Mercedes-Benz Light Truck
Center about steps you need to observe.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
iMercedes-Benz recommends to have the
battery replaced at an authorized
Mercedes-Benz Light Truck Center.
Warning!G
Observe all safety instructions and precau-
tions when handling automotive batteries.
Risk of explosion.
Fire, open flames and smoking
are prohibited when handling
batteries. Avoid creating sparks.
Battery acid is caustic. Do not
allow it to come into contact
with skin, eyes or clothing.
Wear suitable protective cloth-
ing, especially gloves, apron and
faceguard.
Wear eye protection.
Rinse any acid spills immediate-
ly with clear water. Contact a
physician if necessary.
Keep children away.
Follow the instructions in this
Operator’s Manual.

532 Index
Automatic climate control (3-zone)* 218
Air conditioning, Cooling 229
Air distribution, Front 224
Air distribution, Rear 233
Air recirculation mode 227
Air vents, Front 224
Air volume 225
Control panel, Front 220
Control panel, Rear 231
Deactivating system 222
Defogging 225
Defrosting 225
Maximum cooling, MAXCOOL 226
Rear passenger compartment 231
Rear window defroster 203
Residual engine heat (REST) 230
Using driver-side settings for
all temperature zones 229
Automatic headlamp mode 136
Automatic lighting control, Interior
lighting 142
Automatic locking when driving 125
Automatic shift program
(ML 63 AMG only) 195Automatic transmission 54
Accelerator position 190
Automatic shift program
(ML 63 AMG only) 195
Emergency operation
(Limp-Home Mode) 197
Gear ranges 192
Gear selector lever 54, 183
Gear shifting malfunctions 197
Hill start assist system 191
Kickdown 190
Kickdown, manual shift program
(ML 63 AMG only) 196
Manual shift progam
(ML 63 AMG only) 195
Program mode selector switch
(ML 63 AMG only) 194
Shift program (ML 63 AMG only) 194
Shifting procedure 186
Starting the engine 54
Steering wheel gearshift control 193
Towing a trailer 191
Transmission fluid level 345
Transmission positions 187
Automatic Transmission Fluid see ATFB
Backrest
Seat 44
Seat, Lumbar support 129
Seat, Multicontour* 129
Backup lamps
Messages in the multifunction
display 438
Replacing bulbs 471
Bar 380
BAS 100
Lamps in instrument cluster 400
Messages in the multifunction
display 415
Basic carrier bars* 266
Batteries, SmartKey
Check lamp 110, 113
Messages in the multifunction
display 427
Replacing 461
Battery, Vehicle 489
Charging 496
Disconnecting and connecting 491
Jump starting 497
Removing and installing 491

540 Index
High beam flasher 59, 140
High beam headlamps
Indicator lamp 29
Messages in the multifunction
display 439
Replacing bulbs 464, 466, 467
Switching on 59, 139
High mounted brake lamp 464
Hood 341
Messages in the multifunction
display 435
Opening 341
Hooks
Loading 269
Horn 25
HVAC see Climate control or
automatic climate control (3-zone)*
Hydroplaning 316I
Identification labels see Labels
Ignition 40, 42, 55
Immobilizer 106
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see Tires,
Inflation pressures
Information button see Tele Aid
Infrared reflecting windshield* 308
Inside door handle 118
Instrument cluster 26, 28, 145
Illumination brightness 145
Lamps 400
Messages in display see Multifunction
display messages
Multifunction display 147
Outside temperature indicator 146
Selecting language 167
Instrument lighting see Instrument cluster,
Illumination brightness 145
Instrument panel see Instrument cluster
Instruments and controls see CockpitInterior lighting 142
Delayed shut-off 172
Interior rear view mirror 49
Antiglare positions 199
Auto-dimming mirrors* 199
Interior storage spaces see
Storage compartments
Intermittent wiping
Windshield wipers 61
J
Jack 450, 451
Lifting the vehicle 479
Jump starting 497
K
Key, Mechanical 455
Key, SmartKey 110
Batteries 461
Battery check lamp 110
Closing the power windows
(Convenience closing feature) 238
Closing the tilt/sliding sunroof
(Convenience closing feature) 238
Closing, Power tailgate* 123
Factory setting 112

541 Index
Locking/unlocking 38, 68, 110
Locking/unlocking, Global
setting 112
Loss of 118
Messages in the multifunction
display 437
Opening the power windows
(Summer opening feature) 237
Opening the tilt/sliding sunroof
(Summer opening feature) 237
Remote control 110
Replacing batteries 461
Selective setting 112
Starter switch positions 40
Starting the engine 54
Turning off the engine 67
Key, SmartKey with KEYLESS-GO*
Batteries 118, 461
Battery check lamp 113
Checking battery condition 118
Closing the power windows
(Convenience closing feature) 238
Closing the tilt/sliding sunroof
(Convenience closing feature) 238Closing/locking, Power
tailgate* 124
Factory setting 116
Important notes 115
Locking/unlocking 39, 68, 113
Locking/unlocking, Global
setting 116
Loss of 118
Messages in the multifunction
display 436, 437
Opening the power windows
(Summer opening feature) 237
Opening the tilt/sliding sunroof
(Summer opening feature) 237
Remote control 113
Replacing batteries 461
Selective setting 117
Start/stop button 41
Starter switch positions 40, 41
Starting the engine 55
Turning off the engine 67
Kickdown 190
Kilopascal 380L
Labels 510
Certification 510
Emission control information 511
Engine number 511
Paintwork code 510
Vehicle Identification Number
(VIN) 510
Lamp sensor see Light sensor
Lamps, exterior 464
Front 464
Light sensor, Messages in the
multifunction display 438
Messages in display 438
Messages in the multifunction
display 438, 440, 442
Rear 464
Switch 135