2006 MERCEDES-BENZ E350 4MATIC mechanical key

426 Practical hintsUnlocking/locking in an emergencyUnlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or SmartKey with
KEYLESS-GO*, open the driver’s door and
the trunk using the mechanical key. Removing the mechanical key
1Mechanical key locking tab
2Mechanical key

Move locking tab1 in direction of ar-
row.

Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking

Insert the mechanical key into the
driver’s door lock until it stops.

Turn the mechanical key counterclock-
wise to position1.
The driver’s door is unlocked.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button Œ or ‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*


Pull the outside door handle.


Press the KEYLESS-GO* start/stop
button.

427 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
A minimum height clearance of 5.90 ft
(1.80 m) is required to open the trunk lid.
The handle is located above the rear li-
cense plate recess.
1Unlocking in an emergency
2Handle
Insert the mechanical key into the
trunk lid lock until it stops.

Turn the mechanical key counterclock-
wise to position1 and hold it in this
position.

Pull the handle2 and lift the trunk lid.
The trunk opens.

Turn the mechanical key back and re-
move it from the trunk lid lock.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey or SmartKey with
KEYLESS-GO*, do the following:
Close the passenger door, the rear
doors and the trunk.

Press the central locking switch in the
center console (
page 130).

Check to see whether the locking
knobs on the doors have moved down.

If necessary, push them down
manually.

Remove the mechanical key out of the
SmartKey (
page 426).

Check whether the trunk is locked.

If necessary, lock the trunk with the
mechanical key (
page 128).
Except for the driver’s door, the vehicle
should now be locked.
1Locking

Insert the mechanical key into the
driver’s door lock until it stops.

Turn the mechanical key clockwise to
position1.
The driver’s door is locked.
!Always make sure there is sufficient
overhead clearance.

431 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey 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 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.
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key1
(page 426).
1Mechanical key
2Slide
3Battery compartment

Insert the mechanical key1 in direc-
tion of arrow in side opening.

Using mechanical key1,push gray
slide 2 to unlatch battery compart-
ment 3.
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 re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz Cen-
ter.


432 Practical hintsReplacing SmartKey batteries
Pull battery compartment3
(page 431) out of the housing in di-
rection of arrow.

Remove the batteries4 in direction of
arrow.
4Battery
5Contact spring

Using a lint-free cloth, insert new
batteries4 under the contact spring
5 with the positive terminal (+) side
facing up.

Return battery compartment 3
(page 431) into housing until it locks
into place.

Slide mechanical key 1 (
page 431)
back into the SmartKey.

Check the operation of the SmartKey.
SmartKey with KEYLESS-GO*
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key
(page 426).

Insert the mechanical key1
(page 431) in side opening and push
grey slide2 (
page 431).
Battery compartment3 (
page 431)
is unlatched.

Pull battery compartment3
(page 431) out of the housing in di-
rection of arrow.1Battery
2Tilt battery up
3Mechanical key

Using mechanical key3 apply pres-
sure to position2.
Battery1 tilts up slightly.

Pull out batteries1 in direction of ar-
row.

Using a lint-free cloth, insert new bat-
teries with the positive terminal (+) side
facing up.

Return battery compartment3
(page 431) into housing until it locks
into place.


504 IndexCoolant
Anticorrosion/antifreeze mixing ratio
and quantity 491
Capacities 485
Checking coolant level 325
Messages in display 403, 404, 405
Temperature 314
Temperature indicator 151
Warning lamp 379
Cruise control 243, 494
Message in display 389
Cup holders 278
Cleaning 370
Curb weight 354
Customer Assistance Center see CAC
D
Date display, setting 169, 170
Daytime running lamp mode 142
Setting 170, 171
Deep water see Standing water
Defogging windshield 209, 224
Defrosting, Front 209, 223
Defrosting, Rear 201
Delayed shut-off
Exterior lamps 172
Interior lighting 173Department of Transportation see DOT
Diesel fuel 316
Diesel see Fuel
Difficulties
While driving 58
With starting 52
Digital clock see Clock
Digital speedometer 159
Dimensions, vehicle 482
Direction of rotation (tires) 331
Displays
Digital speedometer 159
Distronic* 249
Maintenance service indicator 360
Messages in display 398
Multifunction display 153
Outside temperature 153, 167
Symbol messages 398
Text messages 388
Vehicle status message memory 163
Vehicle system settings, Control
system 153
Distance to empty (Range), Trip
computer 178Distronic* 247, 494
Activating/deactivating 252
Cleaning system sensor 368
Control system 161
Distance warning function 256
Driving hints 257
Menu 251
Messages in display 389
Sensor cover 368
Warning and indicator lamps 250
Door
Entry lamps 148
Locking/unlocking, SmartKey 34,
108
Locking/unlocking, SmartKey with
KEYLESS-GO* 35, 114
Message in display 406
Opening from inside/outside 119
Remote door unlock (Tele Aid) 292
Unlocking, Mechanical key 426
Door control panel 32
Door handle 32
DOT 354, 494
Drinking and driving 303

509 Index
K
Key, Mechanical 426
Key, SmartKey
Battery check lamp 106
Changing batteries 431
Factory setting 108
Locking/unlocking 34
Locking/unlocking, Global
setting 108
Locking/unlocking, Selective
setting 108
Loss of 110
Messages in display 411
Opening and closing the power
tilt/sliding sunroof* or panorama
roof with power tilt/sliding
panel* 234
Opening and closing the
windows 234
Positions in starter switch 36
Remote control 106
Starting the engine 50
Turning off engine 62Key, SmartKey with KEYLESS-GO*
Battery check lamp 111
Changing batteries 431, 432
Factory setting 114
Locking, Trunk lid 114
Locking/unlocking 35
Locking/unlocking, Selective
setting 115
Loss of 118
Messages in display 410
Opening and closing the the power
tilt/sliding sunroof* or panorama
roof with power tilt/sliding
panel* 234
Opening and closing the
windows 234
Starting the engine 51
Turning off engine 62
Unlocking, Trunk lid 118
KEYLESS-GO* 495
KEYLESS-GO* see Key, SmartKey with
KEYLESS-GO*
Kickdown 186, 495
Kilopascal 354L
Labels
Certification 468
Emission control information 468
Emission control vacuum line
routing 468
Lamp sensor
Message in display 414
Lamps, exterior
Light sensor 414
Messages in display 412, 413, 414,
415
Lamps, indicator and warning
ABS 25, 374
Battery (SmartKey) 108, 115
Brakes 376
CHECK ENGINE 377, 378
Coolant 379
Distance warning lamp* 250
Electrohydraulic brake system 97
Engine diagnostics 377, 378
Engine malfunction 25, 377, 378
ESP
®
25, 375
Fog lamps 144
Front passenger front air bag off 27,
72, 384, 385

510 Index
Fuel reserve 25, 378, 380
High beam headlamps 25
Instrument cluster 374, 375, 376,
377, 378, 379, 380, 381, 383
Low beam headlamps 25
Maintenance service indicator 360
Seat belt telltale 25
Seat belts 378, 380
SRS 67
Turn signals 25
Language, Setting 166
LATCH-type child seat anchors see Chil-
dren in the vehicle
License plate lamps 434
Messages in display 414
Replacing bulbs 438
Light alloy wheels, cleaning 370
Light sensor see Lamp sensor
Lighter see Cigarette lighter 282
Lighting
Daytime running lamp mode 142
Lighting, Exterior and interior 141
Limp Home Mode 196
Loading 268
Loading see Vehicle loading
Locator lighting 171Lock button
Door handle (KEYLESS-GO*) 64
Locking knob 495
Loss of Service and Warranty Information
Booklet 467
Loss of SmartKeys 110, 118
Low beam headlamps 54
Indicator lamp 25
Messages in display 414
Replacing bulbs 434
Switching on 54
Lubricants 484
Lumbar support 133
M
Maintenance 12
Calling up service indicator 362
Clearing service indicator
message 361
FSS (Canada vehicles) 360
Maintenance System (U.S.
vehicles) 360
Resetting service indicator 362
Service indicator 360
Service indicator message 360
Service term exceeded 361
Maintenance System (U.S. vehicles) 496Manual headlamp mode see Headlamps
Manual shift program E 55 AMG
Deactivating 195
Manual shift program E 55 AMG 193
Maximum load rating, Tires 354
Maximum loaded vehicle weight, Tire infla-
tion pressure 354
Maximum tire inflation pressure 355
Mechanical key 426
Memory function see Seats
Menus see Control system menus
Messages in display see Multifunction dis-
play messages
Minispare wheel see Spare wheel
Mirrors
Adjusting 45
Auto-dimming 197
Exterior rear view mirror 45
Exterior rear view mirror parking
positions 176, 198
Interior rear view mirror 45
MOExtended system* 343, 448
MOExtended tires* 479
MON 316
Motor Octane Number see MON