ground clearance MERCEDES-BENZ R350 2006 W251 Owner's Manual

271 Controls in detail
Driving systems
Basic settings
There are two setting from which to
choose:

Raised level, for driving on rough roads


Highway level, for driving on paved
roads in fair or better conditionCompared to the highway level, the vehicle
level changes by


+ 1.97 in (+ 50 mm) in raised level


+/- 0 in (+ 0 mm) in highway level


- 0.78 in (- 20 mm) in highspeed level
The vehicle lowers to highspeed level auto-
matically when


the vehicles speed exceeds
70 mph (112 km/h)


the vehicles speed is between
60 mph (96 km/h) and
70 mph (112 km/h) for longer than 20
seconds
!Keep in mind that in rough or uneven
roads, adjusting the vehicle to a lower
level may cause the vehicle underbody
to come in contact with the road and
result in damage to the vehicle under-
body. Always make sure the vehicle
has sufficient ground clearance before
adjusting it to a lower level.!Before jacking up the vehicle with
equipment that lifts one or more of the
wheels completely off the ground,
remove the SmartKey from the starter
switch.!Please also note the information in the
section on towing (
page 499).
iThe activation threshold is defined by
the set suspension tuning
(page 269).
iThe high-speed level is not available
when towing a trailer.iThe third available level is the
highspeed level that is set automatical-
ly.
iObey local speed limits. Use prudent
driving speeds appropriate to prevail-
ing conditions.

273 Controls in detail
Driving systems
Highway level
Close all doors and the tailgate.

Start the engine (
page 53).
The switch is located on the upper part of
the center console.
1Vehicle level control switch
2Indicator lampIf indicator lamp2 is on:

Press switch1 (
page 272).
Indicator lamp2 flashes. The vehicle
adjusts to the highway level.
The following message appears in the
multifunction display while the level is
being set:When the highway level is reached, indica-
tor lamp2 goes out and the following
message appears in the multifunction dis-
play:
!Keep in mind that in rough or uneven
roads, adjusting the vehicle to a lower
level may cause the vehicle underbody
to come in contact with the road and
result in damage to the vehicle under-
body. Always make sure the vehicle
has sufficient ground clearance before
adjusting it to a lower level.
iThe messages can be cleared by
pressing buttonæ orç on the
multifunction steering wheel.iThe vehicle level is set to highway level
automatically when the vehicle speed
is exceeding 25 mph (40 km/h).

519 Technical data
Main Dimensions
Main Dimensions
Model
R 350, R 500
Overall vehicle length
203.0in (5157mm)
Overall vehicle width
75.7 in (1 922 mm)
Overall vehicle height
65.4 in (1 661 mm)
Wheelbase
126.6 in (3 215 mm)
Track, front
65.6 in (1 665 mm)
Track, rear
65.3 in (1 658 mm)
Ground clearance
5.8 in (148 mm)
Turning circle
40.7 ft (12.4 m)

534 Technical termsTIN
(T
ire I
dentification N
umber)
(
page 387)
Tire load rating
(page 387)
Tire ply composition and material used
(page 388)
Tire speed rating
(page 388)
Traction
(page 388)
Transfer case
Speed of rotation / torque converter
that works together with the ->auto-
matic transmission.
Tread
(page 388)Treadwear indicators
(
page 388)
TWR
(Tongue W
eight R
ating)
(
page 388)
Uniform Tire Quality Grading Standards
(page 388)
Vehicle capacity weight
(page 388)
Vehicle level control
The ground clearance of the vehicle is
automatically controlled according to a
selected setting and speed.The driver
can set the ground clearance manually
for example on very rough roads.
VIN
(Vehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.