1997 MERCEDES-BENZ ML320 Complete Repair Manual

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Page 665 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 198
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Notes:
If the engine does not brake the vehicle

Page 666 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 199
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Brake assist system (BAS)
The BAS is designed to

Page 667 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 200
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
The BAS / ESP malfunction indicator lamp in the

Page 668 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 201
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Antilock brake system (ABS)
Important!
The ABS

201
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Antilock brake system (ABS)
Important!
The ABS improves steering control of the vehicle during
hard braking maneuvers.
The ABS prevents the wheels from locking up above a
vehicle speed of approximately 5 mph (8 km / h)
independent of road surface conditions.
At the instant one of the wheels is about to lock up, a
slight pulsation can be felt in the brake pedal,
indicating that the ABS is in the regulating mode. Keep
firm and steady pressure on the brake pedal while
experiencing the pulsation.
Continuous steady brake pedal pressure results in
applying the advantages of the ABS, namely braking
power and ability to steer the vehicle. In the case of an emergency brake maneuver keep
continuous full pressure on the brake pedal. In this
manner only can the ABS be most effective.
On slippery road surfaces, the ABS will respond even
with light brake pedal pressure because of the
increased likelihood of locking wheels. The pulsating
brake pedal can be an indication of hazardous road
conditions and functions as a reminder to take extra
care while driving.
ABS control
The ABS malfunction indicator lamp - in the
instrument cluster comes on with the key in steering
lock position 2 and should go out with the engine
running.
When the ABS malfunction indicator lamp - in the
instrument cluster comes on while the engine is
running, it indicates that the ABS has detected a
malfunction and has switched off. In this case, the brake
system functions in the usual manner, but without
antilock assistance.
With the ABS malfunctioning, the BAS, EBP, ESP and
4-ETS+ are also switched off. The malfunction indicator
lamps come on with the engine running.
Wa r n i n g !
Do not pump the brake pedal, rather use firm,
steady brake pedal pressure. Pumping the brake
pedal defeats the purpose for ABS and significantly
reduces braking effectiveness.

Page 669 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 202
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
If the charging voltage falls below 10 volts, the

Page 670 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 203
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Four-wheel electronic traction system (4-ETS+)
W

Page 671 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 204
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Note:
In winter operation, the maximum effective

Page 672 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 205
Driving systems
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Electronic stability program (ESP)
The ESP enhan

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