Display messages on vehicles without steering wheel buttons
Display messages
Possible causes/consequences and M Solutions
_ _ _
V
The activation conditions for cruise control have not been met.
You can only activate cruise control from speeds of 20 mph
(30 km/h).
or
Cruise control has been deactivated due to a malfunction.
X
Have cruise control checked at a qualified specialist workshop.
NO TPMS The NO message is displayed for 30 seconds. The TPMS message is also
displayed after 30 seconds.
The tire pressure monitor has malfunctioned.
X
Have the tire pressure monitor and the wheels checked at a quali-
fied specialist workshop.
NO TPMS The NO message is displayed for 30 seconds. The TPMS message is also
displayed after 30 seconds.
The tire pressure monitor is not receiving signals from one or more
wheels because:
R
a wheel has been replaced with the spare wheel without wheel
electronics.
R
the maximum temperature on one of the wheel electronics units has
been exceeded.
R
the wheel electronics are malfunctioning.
X
Have wheels with suitable wheel electronics units installed at a
qualified specialist workshop.
— — TPMS The — — message is displayed for 30 seconds. The TPMS message is
also displayed after 30 seconds.
The pressure is insufficient in one or more tires, or the pressures of the
individual tires differ significantly.
X
Check the tire pressure and correct it if necessary (Y page 253).
dEF Chk
In addition, the yellow å DEF indicator lamp lights up in the instru-
ment cluster and a warning tone sounds.
The DEF supply has dropped below 1.5 US gal (5.5 l).
X
Add DEF supply (Y page 129).
The å DEF indicator lamp only disappears when the vehicle is
stationary, at the latest after 20 secondsas soon as you switch on
the ignition or start the engine after refueling.
In addition, the yellow ; Check Engine indicator lamp and the yel-
low å DEF indicator lamp light up in the instrument cluster and a
warning tone sounds.
The DEF reducing agent is contaminated, diluted or is not compliant
with ISO 22241.
X
Have the DEF tank cleaned and refilled at a qualified specialist
workshop as soon as possible.
178
Display messages
On-board computer and displays
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