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INSTRUMENTS AND CONTROLS
86
The center head restraint should be adjusted according to the passenger's height. Therestraint should be carefully adjusted to supportthe occupant's head.
• Pull the head restraint up as required.
• To lower, press and hold the button (locatedat the center, between the backrest and thehead restraint) while pressing the headrestrain down carefully.
WARNING
The center rear seat head restraint should only be in its lowest position when this seat isNOT occupied. When the center seat is occu-pied, the head restraint must be correctlyadjusted to the passenger
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INSTRUMENTS AND CONTROLS
* Option/accessory, for more information, see Introduction.89
Steering wheel The steering wheel can be adjusted to various positions and has controls for the horn, cruise control*, menus, the infotainment system and
Bluetooth ®
-connected cell phone.
Adjusting
G021138
Adjusting the steering wheel
Lever for releasing/locking the steering wheel
Possible positions
To adjust the steering wheel's height and reach:
1. Pull the lever toward you to release the steering wheel.
2. Adjust the steering wheel to the position that suits you. 3. Push back the lever to lock the steering
wheel in place. If the lever is difficult to push into place, press the steering wheel lightly atthe same time as you push the lever.
WARNING
Never adjust the steering wheel while driving.
With the optional speed-dependent power steer- ing the level of steering force can be adjusted, see Active chassis * (Four C) (p. 174).
Keypads and steering wheel paddles *
Steering wheel keypads and paddles*
Cruise control, see Cruise control (CC) – introduction (p. 181). Adaptive cruise con- trol
*, see Adaptive Cruise Control – introduc-
tion (p. 184).
Paddles for manually shifting gears (Gear- tronic), see Transmission – Geartronic(p. 254).
Infotainment system controls, see Sensus Infotainment supplement.
Horn
Horn
–Press the steering wheel hub to sound the horn.
Related information
• Electrically heated
* steering wheel (p. 90)
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WHEELS AND TIRES
298
Tire specifications
The following information can be found on a tire's sidewall.
Tire ratings
Speed ratings
The speed ratings in the table translate as follow:
Speed ratings
M81 mph (130 km/h)
Q100 mph (160 km/h)
T118 mph (190 km/h)
H130 mph (210 km/h)
V149 mph (240 km/h)
W168 mph (270 km/h)
Y186 mph (300 km/h)
Information on the sidewall
Federal law mandates that tire manufacturers place standardized information on the sidewall ofall tires (see the illustration). The following information is listed on the tire sidewall: The tire designation:
NOTE
Please be aware that the following tire desig- nation is an example only and that this par-
ticular tire may not be available on your vehi- cle.
1. 215 : the width of the tire (in millimeters)
from sidewall edge to sidewall edge. The larger the number, the wider the tire.
2. 65: The ratio of the tire's height to its width
in percent.
3. R: Radial tire (the designation RF and the
symbol indicate that the vehicle is
equipped with optional self-supporting run flat tires 3
.
4. 15: The diameter of the wheel rim (in
inches).
5. 95: The tire's load index. In this example, a
load index of 95 equals a maximum load of 1521 lbs (690 kg).
6. H: The tire's speed rating, or the maximum
speed at which the tire is designed to bedriven for extended periods of time, carryinga permissible load for the vehicle, and withcorrect inflation pressure. For example, Hindicates a speed rating of 130 mph(210 km/h).
NOTE
The tire's load index and speed rating may not appear on the sidewall because they arenot required by law.
3 Self-supporting run flat tires may not be available on all models
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SPECIFICATIONS
370
Dimensions
Dimensionin. (mm)
AGround clearance (curb weight + 2 people)A8.7 (220)
BWheelbase109.2 (2774)
CLength182.8 (4644)
DLoad length, floor, seatback down70.4 (1789)
ELoad length, floor38.3 (972)
FHeight67.4 (1713)
GLoad height31.6 (802)
HTrack, front64.3 (1632)