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352 Display messages and warning and indicator lamps
Display messages
å
Refill Additive Emer-
gency Op.: XXX mph See
Operator's Manual
¯
Additive System Fault
See Operator's Manual
¯
Additive System Fault
Starts until Emerg. Op.:
XXX See Operator's Man-
ual
¯
Additive System Fault
Emergency Op.: XXX
mph See Operator's
Manual
Tires
Display messages
Tire Pressure Monitor
Inoperative No Wheel
Sensors
Possible causes/consequences and
Add at least 2.5 gal (9.5 l) of DEF (
#
indicator lamp only disappears when the vehicle is stationary, at
the latest after 20 seconds, as soon as you switch on the igni‐
tion or start the engine after topping up.
* In addition, the yellow DEF indicator lamp å lights up on the
instrument cluster and a warning tone sounds.
If the
Refill Additive Emergency Op.: XXX mph See Operator's Man-
ual
display message is shown, you can only drive the vehicle at a
maximum speed of 5 mph (8 km/h).
Add at least 2.5 gal (9.5 l) of DEF (
#
The DEF indicator lamp å only disappears when the vehicle
is stationary, at the latest after 20 seconds, as soon as you
switch on the ignition or start the engine after refilling.
* In addition, the yellow ; Check Engine warning lamp on the
instrument cluster lights up and a warning tone sounds.
The DEF reducing agent is contaminated, diluted or is not compliant
with ISO 22241.
Have the DEF supply tank cleaned and refilled at a qualified spe‐
#
cialist workshop as soon as possible.
* In addition, the yellow ; Check Engine warning lamp on the
instrument cluster lights up and a warning tone sounds.
The DEF reducing agent is contaminated, diluted or is not compliant
with ISO 22241.
The exhaust gas aftertreatment system is defective or an emissions-
relevant malfunction has occurred. This malfunction or defect can
damage the exhaust gas aftertreatment system.
After the message appears for the first time, the engine can only be
started another 10 times. The number of remaining engine starts
(10 to 1) is shown in the message every time the engine is started.
Visit a qualified specialist workshop immediately.
#
* In addition, the yellow ; Check Engine warning lamp on the
instrument cluster lights up and a warning tone sounds.
You can only drive the vehicle at a maximum speed of 5 mph
(8 km/h).
Visit a qualified specialist workshop immediately.
#
Possible causes/consequences and
* The installed wheels do not have suitable tire pressure sensors. The
tire pressure monitor has been switched off.
Install wheels with suitable tire pressure sensors.
#
M M
Solutions
page 130). The å DEF
/
page 130).
/
M M
Solutions
XX
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