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Do not use abrasive cleaners or a steam jet hot‐
ter than 140 ℉/60 ℃; otherwise, damage may
result. Adhere to the manufacturer instructions.
Aggressive, acidic, or alkaline cleaners may de‐
stroy the protective coating of neighboring
components such as the brake disc.
Exterior sensors The sensors on the outside of the vehicle, such
as for Park Distance Control, must be kept clean
and free of ice to ensure that they remain fully
functional.
Decorative trim
Clean decorative trims and fine wood compo‐
nents with a moist cloth only. Then dry with a
soft cloth.
Safety belts Dirty belt straps impede the reeling action and
thus have a negative impact on safety.
WARNING
Chemical cleansers can destroy the safety
belt webbing. Missing protective effect of the
safety belts. There is risk of injuries or danger to
life. Use only a mild soapy solution for cleaning
the safety belts. ◀
Carpets/floor mats WARNING
Objects in the driver's floor area can limit
the pedal distance or block a depressed pedal.
There is risk of an accident. Stow objects in the
vehicle such that they are secured and cannot
enter into the driver's floor area. Use floor mats
that are suitable for the vehicle and can be
safely attached to the floor. Do not use loose
floor mats and do not layer several floor mats.
Make sure that there is sufficient clearance for
the pedals. Ensure that the floor mats are se‐
curely fastened again after they were removed,
e.g. for cleaning. ◀
Floor mats can be removed for cleaning.If they are very dirty, clean with a microfiber
cloth and water or an interior cleaner. To pre‐
vent matting of the carpet, rub back and forth
in the direction of travel only.
Displays
To clean the displays, such as the radio or dis‐
play elements, use an antistatic microfiber
cloth.
CAUTION
Chemical cleansers, moisture or fluids of
any kind can damage the surface of displays
and screens. There is risk of property damage.
Clean with a clean, antistatic microfiber cloth. ◀
CD/DVD drives CAUTION
The use of cleaning CDs may damage
parts of the drive. There is risk of property dam‐
age. Do not use cleaning CDs. ◀
Long-term vehicle storage
A dealer's service center or another qualified
service center or repair shop can advise you on
what to consider when storing the vehicle for
longer than three months.Seite 193CareMOBILITY193
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Indicator/warning lampsVehicle features and op‐
tions
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are notnecessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and sys‐
tems.
When using the features and systems described
here, adhere to local regulations.
Overview
The indicator and warning lights can light up in
a variety of combinations and colors in display
area 1 or 2. The table contains information on
causes and how to respond. Note whether a
lamp lights up alone or in combination with an‐
other. Some lights can light up in different col‐
ors. Corresponding distinctions are made in the
text. 12CauseHow to respondTurn signalThe high-beams/headlight flasher are
switched on.The front fog lamps are switched on.The rear fog lights are switched on.Fasten safety belts.Fasten safety belt, refer to page 41.External temperature warningDrive conservatively, refer to
page 61.Seite 194MOBILITYIndicator/warning lamps194
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12CauseHow to respondLights up briefly:
Approx. 2.1 US gal/8 liters of fuel remain in
the tank.
Remains on:
The remaining range is no more than
30 miles/50 km, refer to page 62.The engine refuses to start.Depress the brake or clutch to start
the engine, refer to page 51.The ignition is switched on and driver's door
is open.Switch off the ignition, refer to
page 50, or close the driver's door.The lights are still switched on.Switch off the lights, refer to
page 69.The roadside parking lamps are still on.Switch off the roadside parking
lights, refer to page 70.A door is open.The hood is open.The tailgate is open.The fuel cap is missing or loose.Make sure that the fuel cap is cor‐
rectly positioned and close it until it
clicks audibly. Do not jam the strap
between the fuel cap and the vehi‐
cle.The windshield washer fluid level is too low.Add washer fluid, refer to page 56,
as soon as possible.Lights up in red:Service is due.Arrange a service appointment.
Check the service requirements, re‐
fer to page 172.Seite 195Indicator/warning lampsMOBILITY195
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12CauseHow to respondLights up in yellow:The engine will start the next time the Start/
Stop button is touched, possibly without the
brake or clutch being depressed.The remote control is malfunctioning or, in
cars with Comfort Access, was not detected.The engine cannot be started. Have
the remote control checked, if nec‐
essary.The battery in the remote control is dis‐
charged.Use the remote control for a longer
journey or, in cars with Comfort Ac‐
cess, replace the battery.The belt tensioners and/or airbag system
has failed.Have the system checked immedi‐
ately.
Fasten the safety belts anyway.Steering assistance has failed.You can continue your journey, but
moderate your speed and exercise
due caution. Markedly different
steering response. Have the system
checked as soon as possible.Lights up in red:Engine malfunctionStop the car and switch off the en‐
gine. You cannot continue your
journey. Contact a dealer’s service
center or another qualified service
center or repair shop.Lights up in yellow:Full engine power is no longer available.Further driving at a moderate pace
is possible. Have the engine
checked as soon as possible.Indicator lamp 1 flashes:Engine malfunction under high load. High
engine load will result in damage to the cat‐
alytic converter.Further driving at a moderate pace
is possible. Have the vehicle
checked immediately.Indicator lamp 1 lights up:Seite 196MOBILITYIndicator/warning lamps196
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12CauseHow to respondEngine malfunction with adverse effect on
emissions.Further driving at a moderate pace
is possible. Have the vehicle
checked as soon as possible.Lights up in red:The engine is overheating.Carefully bring the car to a stop,
switch off the engine and allow it to
cool down. Do not open the hood;
otherwise, there would be a risk of
injury due to scalding. Contact a
dealer’s service center or another
qualified service center or repair
shop.Lights up in yellow:The engine is too hot.Continue driving at more moderate
speed so that the engine can cool
down. Have the engine checked
without delay if the situation reoc‐
curs.Lights up in red:Battery is no longer being charged. Alterna‐
tor malfunction.Switch off all unnecessary electrical
consumers. Have the power supply
system checked without delay.Lights up in yellow:The battery charge level is very low, the bat‐
tery is old or is not securely connected.Charge the battery by taking a long
drive or using an external charger.
If necessary, switch off automatic
power consumers. Have the battery
checked as soon as possible.Indication in US models
The parking brake is set.Indication in Canadian models
The parking brake is set.Seite 197Indicator/warning lampsMOBILITY197
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12CauseHow to respondIndication in US models
The parking brake is set while driving.Release the parking brake.Indication in Canadian models
The parking brake is set while driving.Release the parking brake.Indication in US modelsLights up in red:
The brake fluid level is too low.Reduced braking effect, stop the
car carefully. Contact a dealer’s
service center or another qualified
service center or repair shop.Indication in Canadian modelsLights up in red:
The brake fluid level is too low.Reduced braking effect, stop the
car carefully. Contact a dealer’s
service center or another qualified
service center or repair shop.Indication in US models.Brake pads worn.Have the condition of the brake
pads checked without delay.Indication in Canadian modelsBrake pads worn.Have the condition of the brake
pads checked without delay.Indication in US modelsSeite 198MOBILITYIndicator/warning lamps198
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12CauseHow to respondThe vehicle electronics have failed.You cannot continue your journey.
Contact a dealer’s service center or
another qualified service center or
repair shop.Indication in Canadian modelsThe vehicle electronics have failed.You cannot continue your journey.
Contact a dealer’s service center or
another qualified service center or
repair shop.Lights up in red:Have the system in question
checked immediately.The starter has failed orThe engine cannot be restarted.Ignition malfunctioning. The engine can
only be restarted when the brake is de‐
pressed or
Lighting system failed. Low beams/tail lights
and brake lights still operational. All other
lights failed.Depress the brake to restart the en‐
gine.Lights up in yellow:Brake light control failed or
The fuel supply is malfunctioning.Further driving at a moderate pace
is possible. Have the system in
question checked immediately.Drive malfunctioning.Further driving at a moderate pace
is possible. Transmission limp-
home program with reduced accel‐
eration is active. Have the system
checked immediately.Flashing:
Dynamic Stability Control DSC or Dynamic
Traction Control DTC is controlling drive and
braking forces, refer to page 84.Dynamic Traction Control DTC is activated,
refer to page 85.Seite 199Indicator/warning lampsMOBILITY199
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12CauseHow to respondDynamic Stability Control DSC and Dynamic
Traction Control DTC are deactivated, refer
to page 84.Driving stability limited during ac‐
celeration and cornering.
Driving style must be readjusted.Dynamic Stability Control DSC and Dynamic
Traction Control DTC failed.Driving stability limited during ac‐
celeration and cornering.
Further driving at a moderate pace
is possible. Have the system
checked as soon as possible.ALL4 all-wheel drive failed.It is possible to continue driving.
Drive cautiously and defensively.
Avoid operating on poor roads and
using the full throttle and kickdown
positions of the accelerator. Have
the system checked immediately.ALL4 all-wheel drive and DSC failed.It is possible to continue driving.
Drive cautiously and defensively.
Avoid operating on poor roads and
using the full throttle and kickdown
positions of the accelerator. Have
the system checked immediately.Indication in US modelsThe driving stability control systems includ‐
ing ABS and the Tire Pressure Monitor dis‐
play have failed, refer to page 84.Reduced braking and driving stabil‐
ity. Drive cautiously and defen‐
sively. Avoid full brake application,
operation on poor roads, and use of
full throttle and kickdown positions
of the accelerator. Have the system
checked immediately.Indication in US modelsSeite 200MOBILITYIndicator/warning lamps200
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