2017 MERCEDES-BENZ E-CLASS SALOON Owners Manual

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rning/indicator lamp
Possible causes/consequences and M
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6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.Seat belt
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Possible causes/consequences and M
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7 Seat belt warning lamp
lights up The
red seat belt warning lamp lights up af terth e engine is star ted.
In addition, an acoustic warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt .
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. 446
Displaymessa ges and warning/indicator lamps

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7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt .
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Driving sy
stems Wa
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Possible causes/consequences and M
MSolutions
à Suspension warning lamp The
yellow AIR BODY CONTROL warning lamp is on.
The yellow DYNA MIC BODY CONTROL warning lamp is on.
AIR BODY CONTROL is faulty.
There is a fault in theDY NA MIC BODY CONTROL. #
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 447

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· Dis tance warning warning
lamp The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Ac tive Brake Assi st .448
Displaymessa ges and warning/indicator lamps

Ve
hicle Wa
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j Tr ailer hit chwarning lamp The
red trailer hitch warning lamp is on.
The trailer hitch is not operational or swivels. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Obser vethe messages in the multifunction displa y.
If th e trailer hitch swivels: #
Wait until the ball neck has reached the operational position. Display messages and
warning/indicator lamps 449

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Ð Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po werst eering assis tance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Obser vethe messages in the multifunction displa y.450
Display messages and warning/indicator lamps

Engine
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; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagno stics warning lamp goes out, emer gency operation mode is cancelled. The vehicle need
not be checked.
#
Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages in the multifunction displa y.
8
Fu elreser vewarning lamp The
yellow fuel reser ve wa rning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. Displ
aymessa ges and warning/indicator lamps 451

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? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R Coolant le velto o low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. 452
Display messages and warning/indicator lamps

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Otherwise: #
Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down. #
Check the coolant le vel . #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 453