2015 MERCEDES-BENZ GLE SUV brake

Safety systems
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions J
N
The red brake system warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G WARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X Safeguard the vehicle against rolling away (Y page 191).
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction display. J
N
The red brake system warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G WARNING
There is insufficient brake fluid in the brake fluid reservoir.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X Safeguard the vehicle against rolling away (Y page 191).
X Do not top up the brake fluid. Topping up will not rectify the fault.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction display. J
N
The yellow brake system warning lamp lights up while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G WARNING
The brake system is malfunctioning and the braking characteristics may be affec- ted.
There is a risk of an accident.
X If the multifunction display shows a display message, please observe this.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. Warning and indicator lamps in the instrument cluster
339On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
M Solutions J
N
The red brake system warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G WARNING
RBS is malfunctioning. Pedal travel may be longer than usual and braking per-
formance may be affected.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X Safeguard the vehicle against rolling away (Y page 191).
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction display. J
N
The yellow brake system warning lamp lights up while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G WARNING
RBS is malfunctioning. Pedal travel may be longer than usual and braking per-
formance may be affected.
There is a risk of an accident.
X If the multifunction display shows a display message, please observe this.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. 340
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow ABS warning lamp is shown in the READY driving status.
ABS (Anti-lock Braking System) has been deactivated due to a fault. BAS (Brake
Assist), BAS PLUS with Cross-Traffic Assist, COLLISION PREVENTION ASSIST
PLUS, ESP ®
(Electronic Stability Program), ESP ®
trailer stabilisation, EBD (Elec-
tronic Brake-force Distribution), PRE ‑SAFE®
, PRE‑ SAFE®
PLUS, PRE ‑SAFE®
Brake,
HOLD function, hill start assist, Crosswind Assist, adaptive brake lights, STEER
CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist, for example,
are therefore also deactivated.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately.
If the ABS control unit is faulty, there is also a possibility that other systems, such as the navigation system or the automatic transmission, will be unavailable. Warning and indicator lamps in the instrument cluster
341On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
M Solutions !
N
The yellow ABS warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow ABS warning lamp is shown in the READY driving status.
ABS is temporarily unavailable. BAS, BAS PLUS with Cross-Traffic Assist, COLLI-
SION PREVENTION ASSIST PLUS, ESP ®
(Electronic Stability Program), ESP ®
trailer
stabilisation, EBD, PRE‑SAFE ®
, PRE‑ SAFE®
PLUS, PRE‑ SAFE®
Brake, HOLD func-
tion, hill start assist, Crosswind Assist, adaptive brake lights, STEER CONTROL,
Active Lane Keeping Assist and Active Blind Spot Assist, for example, are therefore
also deactivated.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
Possible causes:
R self-diagnosis is not yet complete
R the on-board voltage may be insufficient
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock, for example, if you brake
hard.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is a risk of an accident.
X Carefully drive on a suitable stretch of road, making slight steering movements
at a speed above 20 km/h.
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on: X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. 342
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow ABS warning lamp is shown in the READY driving status.
EBD is unavailable due to a malfunction. ABS, BAS, BAS PLUS with Cross-Traffic
Assist, COLLISION PREVENTION ASSIST PLUS, ESP ®
, ESP ®
trailer stabilisation,
PRE‑ SAFE ®
, PRE ‑SAFE ®
PLUS, PRE ‑SAFE®
Brake, HOLD function, hill start assist,
Crosswind Assist, adaptive brake lights, STEER CONTROL, Active Lane Keeping
Assist and Active Blind Spot Assist, for example, are therefore also deactivated.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock, for example, if you brake
hard.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. J÷
å!
N
The red brake system warning lamp and the yellow ESP ®
, ESP ®
OFF and ABS
warning lamps are lit while the engine is running.
PLUG-IN HYBRID vehicles:
ABS and ESP ®
are malfunctioning. BAS, BAS PLUS with Cross-Traffic Assist, COL-
LISION PREVENTION ASSIST PLUS, ESP ®
trailer stabilisation, PRE ‑SAFE®
,
PRE‑ SAFE ®
PLUS, PRE‑SAFE ®
Brake, HOLD function, hill start assist, Crosswind
Assist, adaptive brake lights, STEER CONTROL, Active Lane Keeping Assist and
Active Blind Spot Assist, for example, are therefore also deactivated.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock, for example, if you brake
hard.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. Warning and indicator lamps in the instrument cluster
343On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow ESP ®
and ESP ®
OFF warning lamps are lit in the READY driving status.
ESP ®
, BAS, BAS PLUS with Cross-Traffic Assist, COLLISION PREVENTION ASSIST
PLUS, ESP ®
trailer stabilisation, PRE‑SAFE ®
, PRE‑SAFE ®
PLUS, PRE‑SAFE ®
Brake,
HOLD function, hill start assist, Crosswind Assist, adaptive brake lights, STEER
CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist, for example,
are unavailable due to a malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. Warning and indicator lamps in the instrument cluster
345On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
M Solutions ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
PLUG-IN HYBRID vehicles:
The yellow ESP ®
and ESP ®
OFF warning lamps are lit in the READY driving status.
ESP ®
, BAS, BAS PLUS with Cross-Traffic Assist, COLLISION PREVENTION ASSIST
PLUS, ESP ®
trailer stabilisation, PRE‑SAFE ®
, PRE‑SAFE ®
PLUS, PRE‑SAFE ®
Brake,
HOLD function, hill start assist, Crosswind Assist, adaptive brake lights, STEER
CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist, for example,
are unavailable due to a malfunction.
ATTENTION ASSIST is deactivated.
self-diagnosis is not yet complete
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Carefully drive on a suitable stretch of road, making slight steering movements
at a speed above 20 km/h.
The functions mentioned above are available again when the warning lamp goes out.
If the warning lamp is still on: X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. !
N
The red indicator lamp for the electric parking brake flashes or is lit and/or the
yellow warning lamp for the electric parking brake is lit.
X Observe the additional display messages in the multifunction display. 6
N
The red restraint system warning lamp is lit while the engine is running.
The restraint system is faulty.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the
event of an accident, may not be triggered.
This poses an increased risk of injury.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Contact a qualified specialist workshop immediately and have the restraint sys-
tem checked.
For further information about the restraint system, see (Y page 43).346
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions X
Make sure that the air supply to the engine radiator is not blocked, e.g. by frozen
slush.
X If the coolant temperature is below 120 †, you can continue driving to the
nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-start traffic. Driving systems
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ·
N
The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
X Increase the distance. ·
N
The red distance warning lamp lights up while the vehicle is in motion. A warning
tone also sounds.
You are approaching a vehicle, a pedestrian or a stationary obstacle in your line of travel at too high 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.
Further information on DISTRONIC PLUS (Y page 207).
Further information on PRE ‑SAFE®
Brake (Y page 78).
For further information on the distance warning function of COLLISION PREVEN-
TION ASSIST PLUS, see (Y page 73). Warning and indicator lamps in the instrument cluster
349On-board computer and displays Z