Page 252 of 311

250Vehicle careNo.Circuit1–2Climate control system, fan3Power seat driver side4Cigarette lighter/Power outlet
front5–6Power window front7ABS8Heated steering wheel9Body control module10Power window rear11Sunroof12Body control module13Seat heating (only on vehicles
without alarm horn)14Exterior mirror15Body control module16Body control moduleNo.Circuit17Body control module18Body control module19Data link connector20Airbag system21Climate control system22Central locking system, tailgate23Electronic key system24Power seat memory function25Airbag system steering wheel26Ignition switch/Steering column
lock27Body control module28USB socket29–30Selector lever31Rear window wiper32Transmission control moduleNo.Circuit33Anti-theft alarm system/Power
sounder34Parking assist/Side blind spot
alert/Infotainment system/USB
socket35OnStar36Info display/Instrument cluster/ CD player37Infotainment system, radio
After having changed defective fuses,
close the fuse box cover and press
until it engages.
Vehicles with power connector: 1. Apply the cover on the right side.
Page 254 of 311
252Vehicle careNo.Circuit1–2DC/AC Inverter3Trailer module4Power seat passenger side5–6Distance warning module7–8–9Rear seat heating (on vehicles
without alarm horn)10Service11–12Front seat heating (on vehicles
with alarm horn)13Rear seat heating (on vehicles
with alarm horn)14Ignition15Seat ventilationNo.Circuit16Trailer outlet17Trailer outlet18–19–20–21Electrical rear seat folding22Power tailgate
After having changed defective fuses,
close the fuse box cover and press
until it engages.
Additional fuses are located near the
vehicle battery.
No.Circuit1Fuel pump2Engine control module3Power supply
Page 261 of 311

Vehicle care259positions. If it takes longer, the
matching process stops and must be restarted.
The tyre pressure sensor matching
process is:
1. Apply the parking brake.
2. Turn the ignition on.
3. On vehicles with automatic transmission: set the selector
lever to P.
On vehicles with manual
transmission: select neutral.
4. Midlevel display: Use MENU on the turn signal
lever to select the Vehicle
Information Menu ? in the
Driver Information Centre.
Uplevel display:
Press p on the steering wheel to
open main menu page.
Select the Info page with Q or P.
Confirm with 9.
5. Select the tyre pressure menu. Midlevel display:
Uplevel display:
6. Midlevel display: Press SET/CLR to begin the
sensor matching process. A
message requesting acceptance
of the process should be
displayed.
Press SET/CLR again to confirm
the selection. The horn sounds
twice to indicate that the receiver
is in relearn mode.
Uplevel display:
Press 9 to begin the sensor
matching process. The horn
sounds twice to indicate that the receiver is in relearn mode.
7. Start with the left side front wheel.
8. Place the relearn tool against the tyre sidewall, near the valve stem.Then press the button to activate
the tyre pressure sensor. A horn
chirp confirms that the sensor
identification code has been
matched to this wheel position.
9. Proceed to the right side front wheel, and repeat the procedure
in Step 8.
10. Proceed to the right side rear wheel, and repeat the procedure
in Step 8.
11. Proceed to the left side rear wheel, and repeat the procedure
in Step 8. The horn sounds twice
Page 274 of 311

272Vehicle care
Screw in the towing eye as far as it will
go until it stops in a horizontal
position.
Attach a tow rope – or better still a tow
rod – to the towing eye.
The towing eye must only be used for towing and not for recovering the
vehicle.
Switch on ignition to release steering
wheel lock and to permit operation of
brake lights, horn and windscreen
wiper.
Transmission in neutral.
Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
When the engine is not running,
considerably more force is needed to
brake and steer.
To prevent the entry of exhaust gases from the towing vehicle, switch on the
air recirculation and close the
windows.
Vehicles with automatic transmission: The vehicle must be towed facing
forwards, not faster than 80 km/h nor further than 100 km. In all other cases
and when the transmission is
defective, the front axle must be
raised off the ground.
Vehicles with manual transmission
automated: the vehicle must only be
towed facing forwards with the front axle raised off the ground.
Seek the assistance of a workshop. After towing, unscrew the towing eye.
Insert cap at the top and engage
downwards.
Towing another vehicle
Insert a screwdriver in the slot at the
lower bend of the cap. Release the
cap by carefully moving the
screwdriver downwards.
The towing eye is stowed with the
vehicle tools 3 253.
Page 308 of 311

306Headlight range adjustment ......137
Headlights................................... 136
Headlights when driving abroad 138
Head restraint adjustment .............8
Head restraints ............................ 46
Heated mirrors ............................. 40
Heated rear window ..................... 43
Heated steering wheel .................92
Heating .................................. 54, 56
Heating and ventilation system . 147
High beam ......................... 114, 137
High beam assist ........................114
Hill start assist ........................... 179
Horn ....................................... 14, 92
I
Identification plate .....................280
Ignition switch positions .............158
Immobiliser .......................... 38, 114
Indicators .................................... 104
Info display ................................. 121
Information displays.................... 115
Instrument cluster ......................101
Instrument panel fuse box .........249
Instrument panel illumination .....245
Instrument panel illumination control .................................... 144
Instrument panel overview ........... 10
Interior care ............................... 275
Interior lighting ............................ 144Interior lights ...................... 144, 245
Interior mirrors .............................. 40
Interruption of power supply ......171
Introduction .................................... 3
J
Jump starting ............................. 270
K Key, memorised settings ..............24
Keys ............................................. 20
Keys, locks ................................... 20
L Lane keep assist ................112, 215
Lashing eyes ............................... 81
LED headlights ...................114, 138
Lighting features .........................145
Light switch ................................ 136
Load compartment ................30, 73
Load compartment cover .............79
Load compartment fuse box ......251
Loading information .....................88
Low fuel ..................................... 113
M
Malfunction indicator light ..........111
Manual anti-dazzle ......................40
Manual mode .....................170, 175
Manual seat adjustment ...............48
Manual transmission .................. 172Manual transmission automated 173
Manual windows ..........................41
Massage ....................................... 55
Maximum speed ......................... 254
Memorised settings ......................24
Midlevel display .......................... 115
Mirror adjustment ........................... 9
Misted light covers .....................143
N New vehicle running-in ..............158
Number plate light .....................245
O
Object detection systems ...........199
Odometer ................................... 105 Oil, engine .......................... 278, 282
OnStar ........................................ 131
Outside temperature ....................95
Overrun cut-off ........................... 163
P Parking ................................ 19, 166
Parking assist ............................ 199
Parking brake ............................ 177
Parking lights ............................. 143
Particulate filter ........................... 168
Performance .............................. 287
Performing work ........................229
Pollen filter ................................. 156
Power button .............................. 159