Intelligent technology
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The ASR should normally be activated all the time . Only in certain
except ional situations when some slip is desirable does it make sense
to deactivate the ASR. Examples:
• when driving with tire chains
• when driving in deep snow or on loose ground and
• when rocking the vehicle loose after it has become stuck.
When the abnormal s ituation is over, you should activate the ASR
again .
& WARNING
The increased safety afforded by ASR does not mean that you can
take safety risks. Always adapt your driving style to the road
conditions and traffic situation.
[I] Tips
To ensure that the ASR works properly, all four whee ls must be fitted
with ident ical tires . Any differences in rolling radius of the tir es can
cause the system to reduce engine power when this is not desired.
See also=>
page 307, "New tires and replacing tires and wheels". •
Braking
General information
What affects braking efficiency?
Operating conditions and driving habits
The brakes on today's automob iles are still subject to wear ,
depending largely on operating conditions and driving habits=>& .
On vehicles that are either driven mostly in stop-and-go city traffic or
are driven hard, the brake pads should be checked by your authorized
Aud i dealer more often than specified in the
Warranty & Mainte-
Controls and equip ment Safety first Vehicle operation nance booklet.
Failure to have your brake pads
inspected can result
in reduced brake performance .
On steep slopes, you should use the brak ing effect of the engine . This
way, you prevent unnecessary wear on the brake system. If you must
use your brakes, do not hold the brakes down continuously. Pump the
brakes at intervals.
Noises may occur when brak ing depending on the speed , braking
force and outside cond it ions such as temperature and humidity.
Moisture or road salt
If you are driving faster than 50 mph (80 km/h) and the windshield
wipers are on, the brake pads will briefly touch the brake discs in
regular intervals so as to improve reaction t ime when braking on wet
surfaces. You, the driver, will not notice anything.
Under certain cond it ions, for example , when driving through water or
very heavy rain, or even after washing your vehicle, the braking effect
can be reduced due to moisture (or in freezing conditions ice) on the
brake pads. A few careful brake applications should dry off the brake
pads or remove any ice coatings.
The effectiveness of the brakes can be reduced when the vehicle is driven on a sa lt-covered road and the brakes are not used. Here too,
you should clean off accumulated salt coating from brake discs and
pads with a few careful applications of the brake=>& .
Corrosion
There may be a tendency for dirt to build up on the brake pads and
corrosion to form on the discs if the car is not dr iven regularly or only
for short trips with little use of the brakes.
If the brakes are not used frequently, or if corrosion has formed on
the discs, it is advisable to clean off the pads and discs by braking
fi rm ly a few times from a moderately high speed=>& .
Faults in the brake system
If you should notice a sudden increase in brake pedal travel, then one
of the two brake circuits may have failed=>& . .,
Vehicle care Do-it-yourself service Technical data
ffl __ C_h_ e_c _k _i_n -=g :a,__ a_n_ d_ f_ i_ l _li _n _,g;._ __________________________________________ _
Checking and filling
Engine hood
Releasing the engine hood
The engine hood is released from inside the vehicle.
-Open the driver's door.
Fig. 205 Driver's side
footwell: engine hood
release lever
- Pull the release lever on the left under the instrument
panel => fig. 205 in the direction of the arrow.
The hood pops up slightly under spring pressure. •
Opening the engine hood
Fig. 206 Release lever
under the engine hood
Before opening the engine hood, make sure that the wind
shield wipers are flat against the windshield. Otherwise, they
could damage the paint on the hood.
Pull up on the release under the hood=> fig. 206. This
releases the catch =>
&.
- Open the hood all the way.
& WARNING
Hot engine coolant can burn you.
• To reduce the risk of being burned, never open the hood if you
see or hear steam or coolant escaping from the engine compart
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood. •
-Alphabetical inde x ------',.__ ___________________________________ _
Seat adjustment
Adjusting the seatback . .. .......... 77
Adjusting upper thigh support ....... 78
Dr iver's seat .. ...... .......... .... 75
Dr ive r's seat memory .............. 79
Front passenger's sea t ... .. .. .... .. 76
Front seats ............. ......... 75
Head restraints ... .. .. .. .. .... 81, 181
L u mba r support . ... .. .. ..... ..... 78
Seat be lts
See Safety be lts ................. 187
Seat memory . . . . . . . . . . . . . . . . . . . . . . . 79
Sea ting capacity ... .. .. .. .. ...... ... 1 87
Seating pos ition
Dr ive r .. ............... ... ...... 178
Front passenger .. .. .. .. .. ... .... 179
How to adjust the fron t seats .. ..... 179
In co rrect seat posi tion ... ......... 181
Occ upan ts . ..................... 178
Re ar passengers
Seats Number of seats 18
0
1 87
Selective unlock feature ............... 44 Side a
irbags
Descript ion ..................... 213
How they wo rk .................. 214
Side assist Activating and deact ivat ing . .. ..... 137
Description . .. .... ......... .... . 137
Informational and a lert stage s ignals 139
Messages in instrume nt cluster d isp lay . .
144
Ope ration . ... ..... ..... ... .. .. . 139
Safety t ips ...................... 144
Sensor detect ion area ...... .. ..... 138
Settings ....... .. .. .. .. .... ..... 142
Side curtain airbags ... .............. 216
Description ... .. ..... ..... ... .. . 216
How they wo rk .. ... .. .. . ... .... . 217
Safety instructions . ... .... .. .. .. . 218
S ide marke r ligh ts ...... ....... .. .. .. 58
Sk i sack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Snow chains ....... ... ...... .. .. .. . 312
Sockets ......................... 92, 93
Sound system disp lay
Dr iver information display .......... 20
Sele ctor lever ... .... ............... 147 So urces of informat ion about child rest raints
Selector lever multitronic ® ... .. ... ... 154 and their use ................... 239
Service and disposal Spare wheel ....... ... .. .. .. .. .... . 319
Safety belt pretensioner .. ......... 196 Speed control system
Service interva l display ................ 22
See Adaptive C ruise Cont rol . .. .. .. . 119
Service pos ition Speed rating letter code ............. 309
Windshield wipers ................ 68 Speed w arning sys tem ................ 32
Servotronic Speedometer .................... ... 10
Power steering ....... .. ... .... .. 24 7 Starting off w ith a t rai ler . ... .. .. .. .. . ll S
Shift bu tto ns ... .... ........... 151, 158 Sta
rting the engine .. .. ...... ... 108, 109
What should I do if the eng ine does not
sta rt? ... .. ... .. ... ..... .. .. .. 109
Steering . .. .... ............ ...... . 106
E asy e ntry fea ture ................ 108
El ectr ica lly adjusting t he steer ing whee l ..
107
Locking the steering ..... ....... .. 108
Ma lfunct ion .... .. .. ... .......... . 28
Ma nually adjusting the steer ing whee l
106
Steering wheel column Adjusti ng elect rically ...... ... .. .. 10 7
Adjusting m anually ............... 106
Steering wheel heat ing ...... .. .. .... 104
Steps for determining co rrect load limit 304
Stopp ing the e ngine ................. 110
Storage .. .. .... ...... ...... ........ 93
(upholder . .. .. .................. 89
(upholder rear center armrest ....... 90
Glove compartment ............... 94
L u ggage compartment ... .. ..... ... 86
S ki sack . . . . . . . . . . . . . . . . . . . . . . . . . 86
Storage compartment
Expanding ... .... .. .... .......... 83
S un shade .. ................. .. .. .. . 6S
S un v iso rs ....... ............ .. ..... 64
Suspension
See Adaptive A ir Suspens ion ..... .. 168
Switches Emergency flashers .. .. .. .... .. .. . 61
P owe r sun roo f .. .. .. .. ... .. .. . ... . 53
Rear window defogger . ... .. .. .. .. 10 1
___ A_ l_. p_ h_a _b_ e_ t_ic _a_ l _ in_ d_e _ x ____________________________________________ _
u Cruise control ... ... ... ... .. .. .. .. 16
Electromechanical parking brake ..... 17
Undercoat ing ...... ... ... ..... ..... 266 Electronic power cont rol .... .... ... 14
Unfastening safety be lts ... .... .... .. 194 Electronic stabilization prog
ram (ESP) 14
Unidi rect io nal tires . .. .. .. .. .... ..... 295 H
igh beam .... ........... .. .... .. 16
Uniform t ire quality grad ing . ...... .. . 310
Unlocking Powe r locking switch . ... .. .. ... ... 44
Rear lid/trunk lid . ... .. .. ... .... ... 46 Ma
lf un ction Indi cato r La mp ( MIL) .. .. 15
Sa fety bel t ............... .. .. .. .. 15
Tir e pressure monitoring system ..... 15
T urn signals ... .. .... ...... .. ... .. lS
Remote control key .... .. .......... 42 Warranty coverages
............... .. 346 Cold t
ire inflation pressure . ... .. .. 299
General notes .... .... ... .. .. .. .. 29S
Glossary of tire and loading terminology .
296
N ew ti res and whee ls .. ..... .... .. 307
Tires and ve hicle load limits ...... .. 303
When m ust a s afe ty be lt be rep laced? .. 190
When m ust the a irbag system be inspected? .
208
When should I adjust the tire press ures? 303
Using the key ............ .. .... .. . 43 Washe
r reservoir ....... .. .. ... .. .. .
294 When should I check the tire pressures? 303
W ash ing .. .. .. .. ................. . 260
V Au tomatic ca r wash .. ... . ... .... . 261
by hand . ....... ... ...... .. .. .. . 26 1
Valet key function General information . .... . ... .... . 260
Activating and deactivat ing ... ...... 40 w ith a power washer . ....... .. ... . 262
Vanity mir ror ... ... .... ..... ... .. ... 64 Waxing ... ................. .. .. .. . 263
Veh icle Identificat io n Numbe r (VIN) ... 340 Wear indicator . .. ........... ...... . 306
Vehicle jac k ... .... .. .. .. . .... .. 3 18, 323 Weathers trips ... ... .... ..... ... .. . 265
Vehicle lite ra tu re ................. .. .. 4 We ights ................ ...... ... . 341
Vehicle-care prod ucts ............ ... 260 What happens if you wear your safety belt too
V entilation loose? ......... .... .... .. .. ... 192
Climate controls . ... ... ... .. .. . ... 96 What happens to unbelted occupants? . 189
vv
What impairs dr iv ing safe ty? .... ... .. . 17 7
What should I do after changing a whee l? .. .
303
Wa rning lights · · · · · · · · · · · · · · · · · · · · · · 1
2
What should I do afte r replacing wheels?
Wa rning/ind icator lights .. .. .. .. .. ... .. 8 303
Adaptive Ai r Suspe nsion ............ 16 Whee l bol ts
Adaptive Cr uise Contro l ... ...... .. 12 7 To rque ........ .. .... ...... ..... 313
Airbag sy stem ............. .... ... 14 W heels ....................... ... . 29S
Brake system ... .... .. .. .. ... . ... . 18
An
ti-loc k br ak e system (ABS) . .. . .... 17
Cast alloy ..... ... ... ... .. .. .. .. . 26S
Checking tire pressu re .......... .. 302 W
he re are lower a nchorages loca ted? .. 234
Where can I find the t ire pressures for my car?
302
W hy safety belts? ........ ... ... . 187, 188
Windows
Cleaning ........... ...... .... .. 264
Convenience close/open feature .. .. . S2
Defogging . .. ...... ............. 100
Defrost ing ..... ....... ..... ..... 100
Rapid defrosting/defogg ing . .. .... 101
Windshield washer f lu id
Low level ........... .. .. .. .. .. .. . 30
W inds hield wipers
F aul ty ... .. .. .. .. .. .. .... ... . ... . 32
Interm ittent w ip ing ....... .. .. ... . 66
One-tap wiping .... ... .. ... ... ... . 66
Rain sensor . .... . ... ..... .. .. ... . 66
Service position . . . . . . . . . . . . . . . . . . . 68
Washer reservo ir .. .. ............. 294
W inte r o peration
B atte ry . .... .... ... .. . .. .. .... .. 2 90
Coolant system ....... ..... .... .. 2 86