Displaymessages
Possible causes/consequences and MM Solutions
#
Addatleast2.5 gal(9.5l)ofDEF (/ page130). The å DEF
indicatorlamp onlydisappears when thevehicle is stationary, at
thelatestafter 20 seconds, as soon as youswitch on theigni‐
tion or startthe engine aftertopping up.
å
Refill Additive Emer-
gency Op.: XXX mph See
Operator's Manual
*
In addition, theyellowDEF indicator lamp å lightsuponthe
instrument clusterand awarning tone sounds.
If the Refill AdditiveEmergency Op.: XXX mph See Operator's Man-
ual displaymessageisshown, youcan only drivethe vehicle at a
maximum speed of 5mph (8 km/h).
#
Addatleast2.5 gal(9.5l)ofDEF (/ page130).
The DEF indicatorlamp å only disappears when thevehicle
is stationary, at thelatestafter 20 seconds, as soon as you
switchonthe ignition or startthe engine afterrefilling.
¯
Additive System Fault
See Operator's Manual
*
In addition, theyellow ; CheckEngine warning lamponthe
instrument clusterlights up and awarning tone sounds.
The DEF reducing agent is contaminated, diluted or is notcompliant
withISO 22241.
#
Have theDEF supplytank cleaned andrefilled at aqualified spe‐
cialistworkshop as soon as possible.
¯
Additive System Fault
Starts until Emerg. Op.:
XXX See Operator's Man-
ual
*
In addition, theyellow ; CheckEngine warning lamponthe
instrument clusterlights up and awarning tone sounds.
The DEF reducing agent is contaminated, diluted or is notcompliant
withISO 22241.
The exhaustgas aftertreatment system is defectiveoranemissions-
relevant malfunction hasoccurred. This malfunction or defect can
damagethe exhaustgas aftertreatment system.
Afterthe messageappearsfor thefirst time,the engine can onlybe
startedanother 10 times. The numberofremaining engine starts XX
(10to1)isshown in themessageevery time theengine is started.
#
Visit aqualified specialistworkshop immediately.
¯
Additive System Fault
EmergencyOp.: XXX
mph See Operator's
Manual
*
In addition, theyellow ; CheckEngine warning lamponthe
instrument clusterlights up and awarning tone sounds.
Youcan only drivethe vehicle at amaximum speed of 5mph
(8 km/h).
#
Visit aqualified specialistworkshop immediately.
Tires
Displaymessages
Possible causes/consequences and MM Solutions
Tire Pressure Monitor
Inoperative No Wheel
Sensors
*The installed wheels do nothave suitable tirepressuresensors. The
tirepressuremonitor has been switched off.
#
Install wheels withsuitable tirepressuresensors.
352
Displaymessages and warning and indicator lamps