Page 330 of 394
330 Practical hintsBattery1Negative terminal
2Cover over positive terminal
Disconnecting the battery
Turn off all electrical consumers.
Open the hood (
page 253).
Remove the filter box.
Disconnect battery negative lead1.
Remove cover 2 from the positive ter-
minal.
Disconnect the battery positive lead.
Removing the batteries
Remove the screw securing the bat-
tery.
Remove the battery support and brack-
et. Take out the battery.
Charging and reinstalling batteries
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.
Warning!
G
With a disconnected battery
y o u w i l l n o l o n g e r b e a b l e t o t u r n t h e k e y
in the starter switch and pressing the
KEYLESS-GO* start/stop button (if so
equipped) on the selector lever will have
no effect
the selector lever will remain locked in
positionP
Warning!
G
Never charge a battery while still installed in
the vehicle. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
Page 336 of 394
336 Practical hintsTowing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper2Cover on right side of rear bumper
To remove cover:
Press mark on cover in direction of ar-
row.
L i f t c o v e r o f f t o r e v e a l t h r e a d e d h o l e f o r
towing eye bolt.
The towing eye bolt is supplied with the
tool kit (located in the compartment under-
neath the trunk floor).
Screw towing eye bolt to its stop and
tighten with lug wrench.
To reinstall cover:
Fit cover and snap into place.
!When towing the vehicle with all wheels
on the ground, please note the follow-
ing:
With the automatic central locking acti-
vated and the key in starter switch
position2, or KEYLESS-GO* start/stop
button (if so equipped) in position2,
the vehicle doors lock if the left front
wheel as well as the right rear wheel
are turning at vehicle speeds of approx.
9 mph (15 km / h) or more.
Switch off the tow-away alarm
(page 81).
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking (
page 133).
Towing of the vehicle should only be
done using the properly installed tow-
ing eye bolt. Never attach tow cable,
tow rope or tow rod to the vehicle chas-
sis, frame or suspension parts.
iThe selector lever will remain locked in
positionP and the key will not turn in
the starter switch if the battery is dis-
connected or discharged. See notes on
the battery (
page 329) or on jump
starting (
page 332).
Page 367 of 394
367 Index
A
ABS 23, 74, 361
ABS control 75
Malfunction indicator lamp 277
Messages in display 284
Warning lamp 277
Accelerator position, automatic transmis-
sion 146
Accident
In case of 49
Activating
Air conditioning (cooling) 163
Air recirculation mode 160
Anti-theft alarm system 80
Automatic climate control 155
Central locking (control system) 133
Charcoal filter 161
Distance warning function* 205
Distronic* 201
Easy-entry/exit feature 133
ESP 78
Exterior headlamps 46
Exterior lamps 106
Front and rear fog lamp 106
Hazard warning flasher 108
Headlamps 46High beams 108
Ignition 31
Ignition with KEYLESS-GO* start/stop
button 33
Immobilizer 51, 79
Rear window defroster 162
Residual heat 163
Seat heater* 101
Tow-away alarm 81
Windshield wipers 48
Activating steering wheel gearshift control
147
Downshifting 148
Upshifting 147
Adding
Coolant 257
Engine oil 255
Additional turn signals 317
Adjustable air vents, rear passenger com-
partment 164Adjusting 34
Air distribution 158
Air volume 159
Backrest tilt 36
Exterior rear view mirror 38
Head restraint height 36
Head restraint tilt 36
Inside rear view mirror 38
Instrument cluster illumination 111
Mirrors 38
Multicontour seat* 100
Seat cushion depth 100
Seat cushion tilt 36
Seat fore and aft adjustment 35
Seat height 35
Seats 34
Steering column height 38
Steering column length 38
Steering wheel 37
Air conditioning (cooling)
Turning off 163
Turning on 163
Air conditioning refrigerant 353
Air distribution
Adjusting 158
Page 388 of 394
388 IndexSpeedometer 23
Displaying gear range 143
Displays 198
Settings units 126
Speedometer display mode
Selecting 126
Speedshift
Downshifting 148
Upshifting 147
Speedshift, CLK 55 AMG 146
Split rear bench seat 215
SRS 64, 365
Indicator lamp 278
Standing lamps 105
Replacing bulbs 317, 319, 321
Standing water
Driving instructions 247
Starter switch 21, 31
Positions 31
Starting difficulties 44
Starting position 31
Starting the engine 43
Station (radio)
Search 120
Station selection
Setting 132Steering column
Height adjustment 38
Length adjustment 38
Steering gear oil
Message in display 300
Steering wheel
Adjusting 37
Buttons 24
Cleaning 273
Electrical adjustment 37
Height adjustment 38
Steering wheel gearshift control
Downshifting 148
Upshifting 147
Steering wheel gearshift control (Speed-
shift), CLK 55 AMG 146
Stolen vehicle
Tracking services 235
Stopping
Sliding/pop-up roof 191
Windows 188
Storage bags 222
Storage compartments
Glove box 219
Storage spaces
Cup holder 220, 221Storing (Memory function)
Positions into memory 103
Submenus
Convenience 133
For settings 116
In control system 118
Instrument cluster 126, 128
Lighting 129
Resetting functions in Control system
124
Selecting 124
Settings menu 124
Vehicle 132
Sun visors 152
Supplemental Restraint System (SRS) 365
Switching off
Audio system 168
Automatic central locking (control sys-
tem) 133
Engine 51
ESP 78
Hazard warning flasher 108
Headlamps 51
Seat heating 101