2005 MERCEDES-BENZ ML350 ignition switch

254 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
?
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
There is a malfunction of:

The fuel management
system


The ignition system


The emission control
system


Systems which affect
emissions
Such malfunctions may result
in excessive emissions values
and may switch the engine to
its limp-home (emergency op-
eration) mode.

Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Light Truck Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left area
of the footwell next to the parking
brake pedal.

259 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
{
The yellow ETS malfunction indi-
cator lamp comes on while the
4-ETS / ESP warning lampv
flashes.
4-ETS has switched off to prevent overheat-
ing of the brakes. Also see 4-ETS / ESP warn-
ing lamp (
page 258).
As soon as the brakes have cooled off,
4-ETS switches on again.
The indicator lamp goes out.
4-ETS is malfunctioning and has switched off.

Have the 4-ETS checked at an autho-
rized Mercedes-Benz Light Truck Cen-
ter as soon as possible.
ê
The yellow LOW RANGE indicator
lamp flashes after one or more
switching conditions.
The gear selection conditions have not been
adhered to.

Repeat the gear selection process
(page 127).
ê
The yellow LOW RANGE indicator
lamp flashes after switching the
ignition on.
LOW RANGE mode is malfunctioning.
Have the LOW RANGE mode checked at
an authorized Mercedes-Benz Light Truck
Center.
The yellow fuel tank reserve
warning lamp comes on while
driving.
The fuel level has gone below the reserve
mark.

Refuel at the next gas station
(page 219).
The yellow fuel tank reserve
warning lamp flashes when leav-
ing the engine running.
The fuel cap is not closed tightly.

Check the fuel cap (
page 219).

260 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
:
The yellow warning lamp flashes
after starting the engine or while
driving.
The engine oil level has sunk to the minimum
level. If the engine oil level continues to sink,
the warning lamp will light up.

Add approved oil at the next gas
station (
page 314).

If oil loss is visible on the engine, have
the malfunction corrected as soon as
possible at a Mercedes-Benz Light
Truck Center.
_
The red indicator lamp does not
go out after starting the engine.
The adjustable telescoping steering column
is not properly locked.

Lock the adjustable steering column
(page 40).
‡
The green front fog lamp indica-
tor lamp lights up when ignition
is turned on.
The front fog lamps are switched on.

Fog lamps (
page 111).
<
The red seat belt telltale
illuminates for a brief period
after starting the engine.
The telltale reminds you to fasten seat belts.

Fasten your seat belt (
page 64).
The telltale goes out.
W
The yellow low washer system
fluid level lamp comes on after
starting the engine or while driv-
ing.
There is approximately 1.3 US qt. (1.25 l) of
washer fluid remaining in the reservoir.

Add washer fluid (
page 230).
The washer fluid may have frozen.

Move the vehicle to a warmer environ-
ment so that the washer fluid will
thaw.

Correct the concentration level after
the washer fluid in the reservoir
thaws.

338 IndexHeadlamp cleaning system* 230
Headlamps
Automatic control 108
Bi-Xenon* 323
Cleaning 242
Cleaning system* 133, 230
Refilling washer fluid 230
Switching off 55
Switching on 50
Washer fluid 319
Washer system 319
Headliner
Cleaning 244
Heated seats* 98
Height adjustment
Head restraints 37, 39
Seat belts 46
Steering wheel 40
High beam 111
High beam flasher 50, 111
High beam halogen headlamps
Replacing bulbs 277
High beam headlamps
Replacing bulbs 274
High mounted brake lamp
Replacing bulbs 281Hood 222
Closing 223
Opening 222
Hooks
Loading 162
Hydroplaning 201
I
Identification labels 304
Certification label 304
Vehicle identification number
(VIN) 304
Ignition 33
Immobilizer 83
Activating 83
Deactivating 83
Indicator lamp
Adjustable steering column 260
Brake pad wear 261
Coolant 256
Front fog lamps 260
Low engine oil level 260
Infant and child restraint systems 68
Installing 71
LATCH child seat mounts 73Information
About service and warranty 10
Button for Tele Aid* 180
Inside rear view mirror
Antiglare 128
Installing
Infant and child restraint systems 71
Wiper blades 283
Instrument cluster 24, 117, 325
Cleaning 244
Coolant temperature gauge 118
Display in the speedometer 118
Illumination 117
Lamps in 259
Outside temperature indicator 119
Instruments and controls see Cockpit
Integrated remote control
Erasing memory 188
Operating 188
Interior lighting 114
Activating automatic control 114
Deactivating automatic control 114
Manual control 115
Reading lamps 115
Interior rear view mirror
Adjusting 41