2006 MERCEDES-BENZ ML350 steering

383 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
;
(USA only)
3
(Canada only)
The red brake warning lamp
comes on while driving and
you hear a warning sound.
You are driving with the
parking brake set.

Release the parking brake.
The ESP
® control unit may be
malfunctioning.
The driving safety systems
may not be available.

Continue driving with added caution.
Whe el s m a y loc k du ring har d br ak ing,
reducing steering capability.

Read and observe messages in the
display.
Warning!
G
Driving with the brake warning lamp illumi-
nated can result in an accident. Have your
brake system checked immediately if the
brake warning lamp stays on. Do not add
brake fluid before checking the brake
system. Overfilling the brake fluid reservoir
can result in spilling brake fluid on hot en-
gine parts and the brake fluid catching fire.
You can be seriously burned.
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks.

391 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
H
Combination low tire pres-
sure/TPMS malfunction telltale
for the TPMS* illuminates con-
tinuously.
The Advanced TPMS* detects a loss of
pressure in at least one tire.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers. Observe the traffic situation
around you.

Take note of the messages in the multi-
function display.
If the tire inflation pressure in the respec-
tive tire(s) has (have) been corrected, the
combination low tire pressure/TPMS mal-
function telltale goes out after few minutes
driving.
H
Combination low tire pres-
sure/TPMS malfunction telltale
for the Advanced TPMS* flashes
60 seconds and then stays illu-
minated.
There is a malfunction in the Advanced
TPMS*.

Take note of the messages in the multi-
function display.

Have the Advanced TPMS* checked by
an authorized Mercedes-Benz Light
Truck Center.
After the malfunction has been remedied
the combination low tire pressure/TPMS
malfunction telltale goes out after few
minutes driving.

395 Practical hints
What to do if …
Vehicle status messages in the multifunction display
Warning and malfunction messages
appear in the multifunction display located
in the instrument cluster.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the vehicle status message
memory menu in the control system
(page 159) displays both cleared and
uncleared messages.
High-priority messages appear in the
multifunction display in red color.Certain messages of high priority cannot
be cleared from the multifunction display
using the reset button (
page 24) or
buttonj,k,ÿ, orè on the
multifunction steering wheel.
Other messages of high priority and mes-
sages of less immediate priority can be
cleared from the multifunction display
using the reset button (page 24) or
buttonj,k,ÿ, orè on the
multifunction steering wheel. They are
then stored in the vehicle status message
memory (
page 159). Remember that
clearing a message will only make the mes-
sage disappear. Clearing a message will
not correct the condition that caused the
message to appear.
Warning!
G
All categories of messages contain
important information which should be
taken note of and, where a malfunction is
indicated, addressed as soon as possible at
an authorized Mercedes-Benz Light Truck
Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
Contact the nearest authorized
Mercedes-Benz Light Truck Center.

397 Practical hints
What to do if …
Text messagesDisplay message
Possible cause
Possible solution
ABS
Malfunction
Visit workshop
The ABS has detected a malfunction
and has switched off. The ESP
® and
the BAS are also deactivated.
The brake system is still functioning
normally but without the ABS avail-
able.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Have the system checked at an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
Failure to follow these instructions increases
the risk of accident.
Display malfunction
Visit workshop
The ABS or the ABS display is mal-
functioning.

Continue driving with added caution.
Wheels may lock during hard braking, re-
ducing steering capability

Have the system checked at an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
Failure to follow these instructions increases
the risk of accident.

405 Practical hints
What to do if …
Display message
Possible cause
Possible solution
Run Flat Indicator
inactive
Run Flat Indicator is malfunctioning.

Have the Run Flat Indicator checked by an authorized
Mercedes-Benz Light Truck Center.
Check tires
Then reactivate
Run Flat Indicator
There was a warning message about
a loss in the tire inflation pressure
and the Run Flat Indicator has not
been reactivated yet.

Make sure that the correct tire inflation pressure is set
for each tire.

Then reactivate the Run Flat Indicator.
Run Flat Indicator
unavailable
The Run Flat Indicator has been
switched off due to an error.

Have the Run Flat Indicator checked by an authorized
Mercedes-Benz Light Truck Center.
Tire pressure
Check tires
The Run Flat Indicator indicates that
the pressure is too low in one or more
tires.

Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic sit-
uation around you.

Check and adjust tire inflation pressure as required
(page 348).

If necessary, change the wheel (
page 457).

Reactivate the Run Flat Indicator after adjusting the tire
inflation pressure values (
page 350).

408 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
2
Brake wear
Visit workshop
The brake pads have reached
their wear limit.

Brake pad thickness must be visually in-
spected at the intervals specified in the
Maintenance Booklet.

Have the brake pads replaced as soon as
possible.
;
(USA only)
3
(Canada only)
Changed braking behavior
Drive with extreme care
A malfunction in the Electronic
Brake Proportioning (
page 98)
was detected.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Read and observe messages in the dis-
play.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck Center
as soon as possible.
Failure to follow these instructions increases
the risk of an accident.

423 Practical hints
What to do if …
Display symbol
Display messages
Possible cause
Possible solution
H
Please rectify
tire pressure
The pressure is too low in one or
more tires.

Check and correct tire inflation pressure as
required.
Caution
Tire defect
One or more tires are deflating.
The respective tire is shown in the
multifunction display.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

If necessary, change the wheel.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle. Continued
driving with a flat tire will cause excessive
heat build-up and possibly a fire.

424 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause
Possible solution
H
Check tires
The tire pressure in one or more tires is
already below the minimum value.
The respective tire is shown in the
multifunction display.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Check and adjust tire pressure as
required.

If necessary, change the wheel.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.