Display messagesPossible causes/consequences and 0050 Solutions0059Retractabl
e Roof
Operation
Only At
StandstillYou have attempted to open the retractable hardtop while
driving.XStop the vehicle in a safe location and try to open the
hardtop again.0059Retractabl
e Roof
Not
Opened/
Closed
CompletelyYou are driving with the retractable hardtop not properly
locked.XStop the vehicle in a safe location. Observe the traffic
situation around you.XPull or push on the retractable hardtop switch until the
retractable hardtop is completely open or closed
( Y page 155).XIf the retractable hardtop still does lock properly, have the
hardtop system checked at an authorized Mercedes-Benz
Center.0058Trunk
Partition
OpenYou are trying to open or close the retractable hardtop even
though the luggage cover in the trunk is not closed and/or
properly engaged.XClose the luggage cover and engage it into the side holders
( Y page 158).0039Key
Detected
In VehicleA SmartKey with KEYLESS-GO left in the vehicle was
recognized while trying to lock the vehicle from the outside.XTake the SmartKey out of the vehicle.0039Remove KeyYou have forgotten to remove the SmartKey.XRemove the SmartKey from the starter switch.0039Replace
KeyThe SmartKey is malfunctioning.XContact an authorized Mercedes-Benz Center.0039Change
Key
BatteriesThe batteries in the SmartKey with KEYLESS-GO are
discharged.XReplace the batteries ( Y page 269).0039Key Not
Detected
(message
appears in
red)The SmartKey with KEYLESS-GO is not detected while the
engine is running because the SmartKey is not in the vehicle.XStop the vehicle as soon as it is safe to do so.XEngage the parking brake.XSearch for the SmartKey.
The vehicle cannot be locked centrally nor can the engine
be started again after the engine is stopped.242Vehicle status messages in the multifunction displayPractical hints
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Risk of explosion.Fire, open flames and
smoking are prohibited
when handling batteries.
Avoid creating sparks.
Battery acid is caustic. Do
not allow it to come into
contact with skin, eyes or
clothing.
Wear suitable protective
clothing, especially gloves,
apron and faceguard.
Wear eye protection.
Rinse any acid spills
immediately with clear
water. Contact a physician
if necessary.
Keep children away.Follow the instructions in
this Operator’s Manual.
A battery contains materials that can harm
the environment if disposed of improperly. A
large 12 V storage battery contains lead.
Recycling of the battery is the preferred
method of disposal. Many states (USA only)
or provinces (Canada only) require sellers of
batteries to accept the old battery for
recycling.
GWarning!
Failure to follow these instructions can result
in severe injury or death.
Never lean over batteries while connecting.
You might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking etc.
GWarning!
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof batteries only to avoid the risk
of acid burns in the event of an accident.
Take care that you do not become statically
charged, e.g. by wearing synthetic clothing or
rubbing against textiles. For this reason, you
also should not pull or push the battery over
carpets or other synthetic materials.
Never touch the battery first. First touch the
outside body of the vehicle in order to release
any possible electrostatic charges.
Do not rub the battery with rags or cloths. The
battery could explode if touched due to
electrostatic charge or due to spark
formation.
! The battery is a Valve-Regulated Lead
Acid (VRLA) battery, also referred to as
“fleece” battery.
Such batteries do not require topping-up of
the electrolyte level. VRLA batteries
therefore do not have cell caps and the
battery cover is non-removable. Do not
attempt to open the battery as otherwise
the battery will be damaged.
VRLA batteries do not require topping-up of
the electrolyte level. They cannot be
opened to check the electrolyte level.
However, the battery condition must be
checked periodically by performing a
battery conductance test. Refer to
Maintenance Booklet for battery condition
testing intervals.
284BatteryPractical hints
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