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Driving in steep terrain
Slope angle
:
Overhang angle, front
;
Overhang angle, rear
Vehicles with
steel
suspension
:
:
21
;
27° 22° 26°
Vehicles with
air suspension
program
:
:
21
;
Raised level 31° 25° 29°
Highway 25° 18° 24°
ML 63 AMG
: ;
Raised level 26° 28°
Highway 21° 24°
R
Comply with the warnings (Y page 248) and
rules for off-road driving (Y page 248).
R
Driving on embankments, slopes and other
steep inclines should only be done straight
up or downhill, i.e. in the line of gravity.
Maximum vehicle climbing ability is a
100% grade which is equivalent to a slope
angle of 45°. Keep in mind that the
climbing ability of the vehicle depends on
terrain conditions.
R
Shift automatic transmission into gear
range 1 (Y page 113).
R
Drive slowly.
R
Avoid excessive engine speeds – drive with
moderate engine speeds (max. 3 000 rpm).
R
Utilize the engine’s braking power when
descending a slope, observe the engine
speed (do not overrev the engine). Apply
the service brake as needed.
i
For maximum engine speed, see
“Tachometer” (Y page 119) and see vehicle
specification for your vehicle
(Y page 348).
R
Check the brakes after a lengthy
downgrade drive.
G
Warning!
Never turn the vehicle around on steep
inclines. The vehicle might roll over. If the
vehicle cannot complete the attempted climb,
back it down in reverse gear.
i
The hill-start assist system supports you
when driving uphill.
For more information, see “Hill-start assist
system” (Y page 152).
Traction in steep terrain
The maximum vehicle climbing ability is a
100% grade which is equivalent to a slope
angle of 45°. Keep in mind that the climbing
ability of the vehicle depends on terrain
conditions.
Be easy on the accelerator and watch for
continuous wheel traction when driving in
steep terrain.
i
The 4-ETS helps greatly when starting out
on a steep incline when the front wheels
have then the tendency to slip due to the
weight shifting towards the rear axle.
21
Vehicles with AMG Sport-Package
250
Driving instructions
Operation
164_AKB; 7; 31, en-US
d2ureepe, Version: 2.11.8.1
2009-09-11T12:07:36+02:00 - Seite 250