Problem
Possible causes/consequences and
X
X
Solutions
Vehicles with the ECO
Start/Stop function:
you have started the
engine using the key.
The indicator lamp in
the ECO Start/Stop
function button does
not light up or goes out
again after a short time.
You have deactivated the ECO Start/Stop function.
X
Activate the ECO Start/Stop function again (
Y
page 109).
The ECO Start/Stop function is not available due to a fault.
X
If the indicator lamp fails persistently, consult a qualified work-
shop.
Warning and indicator lamps in the instrument cluster
Problem
Possible causes/consequences and
X
X
Solutions
!
The yellow ABS
warning lamp is
lit while the
engine is run-
ning.
G
Risk of accident
ABS (Anti-lock Brake System) is deactivated due to a fault. For this
reason, ESP
®
(Electronic Stability Program), BAS (Brake Assist),
BAS PLUS* (Brake Assist PLUS), PRE-SAFE
®
, PRE-SAFE
®
Brake*,
the HOLD function, hill start assist and ESP
®
trailer stabilisation
are also deactivated, for example.
The brake system continues to function normally, but without the
functions listed above. Therefore, the wheels could lock if you
brake hard.
ATTENTION ASSIST is deactivated.
X
Observe the additional messages in the multi-function display
(
Y
page 251).
X
Drive on carefully.
X
Visit a qualified specialist workshop.
·
The red distance
warning lamp*
lights up while
the vehicle is in
motion.
G
Risk of accident
The distance to the vehicle in front is too small for the speed
selected.
X
Increase the distance.
·
The red distance
warning lamp*
lights up while
the vehicle is in
motion. A warn-
ing tone also
sounds.
G
Risk of accident
You are approaching a vehicle in front at too great a speed
X
Be prepared to brake immediately.
X
Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Troubleshooting
281
Practical
advice
* optional
212_AKB; 2; 4, en-GB
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2009-05-05T14:17:16+02:00 - Seite 281
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Dateiname: 6515346702_buchblock.pdf; erzeugt am 07. May 2009 14:17:12; WK