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Version: 2.11.8.1ML 450 HYBRID Supplemental Operating Instructions
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Version: 2.11.8.1Symbols Trademarks®: RESP® is a registered trademark of Daimler. The following symbols are found in this Supplemental Operating Instructions: G Warning! Warning notices draw your attention to hazards that may endanger your health or life, or the health or life of others.
! Highlights hazards that may result in
damage to your vehicle.
i Helpful hints or further information you
may find useful.
Y page YY
This symbol points to instructions for you to follow. A number of these symbols appearing in succession indicates a multiple-step procedure. This symbol tells you where to look for further information on a topic. This continuation symbol marks a warning or procedure which is continued on the next page.
Display Text in displays, such as the control
system, are printed in the type shown here.
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Version: 2.11.8.1Our company and staff congratulate you on the purchase of your new Mercedes-Benz. Your selection of our product is a demonstration of your trust in our company name. Furthermore, it exemplifies your desire to own an automobile that will be as easy as possible to operate and provide years of service. Your Mercedes-Benz represents the efforts of many skilled engineers and craftsmen. To help assure your driving pleasure, and also the safety of you and your passengers, we ask you to make a small investment of time: RPlease read this manual carefully, then return it to your vehicle where it will be handy for your reference.
RPlease follow the recommendations contained in this manual. They are designed to acquaint you with the operation of your Mercedes-Benz.
RPlease pay attention to the warnings and cautions contained in this manual. They are designed to help improve the safety of the vehicle operator and occupants.
We extend our best wishes for many miles of safe, pleasurable driving. Mercedes-Benz USA, LLC A Daimler Company
1645845583 É1645845583BËÍ
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Version: 2.11.8.1164_ZA; 2; 2, en-US d2ureepe,
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Version: 2.11.8.1Contents
Index ....................................................... 4
Introduction ........................................... 7
Safety and security ............................... 8
Controls in detail ................................. 11
Operation ............................................. 20
Practical hints ..................................... 24
Technical data ..................................... 36
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Index
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Version: 2.11.8.1ABS (Antilock Brake System) ............... 9
Warning lamp ............................. 13, 29
Anticorrosion/antifreeze .................... 39
Antilock Brake Systemsee ABS Automatic shift program .................... 18
Automatic transmissionAutomatic shift program .................. 18
Messages in the multifunction display ............................................. 25
Program mode indicator .................................... 13, 19
Program mode selector switch (automatic shift program) ................ 18
Axle oils ................................................ 38BAS (Brake Assist System) ................... 9
BatteryCharging .......................................... 32
Charging condition high-voltage battery (COMAND) ........................... 14
Jump starting ................................... 33
Messages in the multifunction display ............................................. 26
Safety notes ..................................... 32
see High-voltage batteryBrake Assist System
see BAS
Brakes
Warning lamp .......................................... 13, 29
Brake system
see RBS
Capacities and recommended fuel/lubricants .................................... 38
Charging condition high-voltage battery (COMAND) ............................... 14
COMANDCharging condition high-voltage battery ............................................. 14
Fuel consumption ............................ 15Generated electric power ................ 15
Overview .......................................... 13Combustion engine
Malfunction ...................................... 30
Starting ............................................ 16
Consumption statistics (COMAND) ... 15
Control systemOverview .......................................... 13
Coolant
Anticorrosion/antifreeze ................. 39
Capacities ........................................ 38
Cruise control ...................................... 10Displays
Charging condition high-voltage battery (COMAND) ........................... 14
Messages in the multifunction display ............................................. 24Driving and parking
Safety notes ..................................... 16
Driving off ............................................ 17
Driving safety systemsABS .................................................... 9
BAS .................................................... 9
RBS .................................................... 9Driving systems
Cruise control .................................. 10
Driving tips .......................................... 17Engine ............................................. 16, 30
Malfunction indicator lamp ................................................. 13
see Combustion engineEngine oil
Adding ............................................. 22
Checking level ................................. 21
Enviromental protection ....................... 7
ESP® (Electronic Stability Program)Warning lamp ............................. 13, 29
Fluids
Automatic transmission fluid ........... 38
Brake fluid ....................................... 38164_ZA; 2; 2, en-US d2ureepe,
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Version: 2.11.8.1Index
Jump starting ....................................... 33
Lamp
see Lamps, indicator and warning Lamps, indicator and warning ............ 29
ABS/ESP® ................................. 13, 29
Brakes (red) ........................................... 13, 29
Instrument cluster ..................... 13, 29
RBS ............................................ 13, 29Message
see Lamps, indicator and warning
Motor Octane Number
see MON
Multifunction display
Symbol messages ............................ 26
Text messages ................................. 25
Vehicle status messages ................. 24Multifunction display messages
Automatic transmission ................... 25
Battery ....................................... 26, 28
Display malfunction ......................... 24
Gas cap ............................................ 27
Power steering ................................. 27Oil level
see Engine oil, Checking level Operating safety .................................... 7
Parking ................................................. 18
Power gauge .................................. 13, 14
Power steeringMessages in the multifunction display ............................................. 27
Program mode selector switch
Automatic shift program .................. 18
Capacities ........................................ 38
Engine coolant ................................. 38
Engine oil ......................................... 38
Power steering fluid ......................... 38
Washer and headlamp cleaning system ............................................. 39
Front axle oil ........................................ 38
Fuel ....................................................... 20
Capacity, fuel tank ........................... 38
Fuel filler flap and cap ...................... 21
Premium unleaded gasoline ............. 38
Fuel filler flap ....................................... 21
Opening manually ............................ 31
Unlocking ......................................... 20
Fuel filler flap switch .......................... 20
Fuels, coolants, lubricants etc.Capacities ........................................ 38
Fuel tank
Capacity ........................................... 38
Fuel filler flap and cap ...................... 21Gasoline
see Fuel
High voltage
see Safety notes High-voltage battery ............................. 8
Charging condition (COMAND) ........ 14
Exhaustive discharge ....................... 32
Messages in the multifunction display ............................................. 26HYBRID system
Automatic switch-off .................... 8, 31
Overview .......................................... 12
READY indicator ......................... 13, 16Indicator and warning lamp
SRS .................................................. 31
Indicator lamp
see Lamps, indicator and warning Instrument cluster .............................. 13
Lamps .............................................. 29
Introduction ......................................... 11164_ZA; 2; 2, en-US d2ureepe,
Index
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Version: 2.11.8.1Vehicle
Vehicle fire
Disuse .............................................. 32
see Safety notes Vehicle modifications ........................... 7
Vehicle specificationML 450 HYBRID ............................... 36
Warning labels ....................................... 8
Wheels, sizes ....................................... 37
Winter tires .......................................... 37RBS (Recuperative Brake System) ............................................ 9, 11
Malfunction ................................ 29, 30
Warning lamp ............................. 13, 29
READY indicator ............................ 13, 16
Rear axle oil ......................................... 38
Recuperation statistics (COMAND) ... 15
Refueling .............................................. 20
Research Octane Numbersee RON Rims ...................................................... 37
Risk of firesee Safety notes
Safety
see Operating safety Safety notes ........................................... 8
Silent-Start mode ................................ 16
SRS (Supplemental Restraint System)Warning lamp ................................... 31
Starting
Submenu
see Combustion engine
Resetting values (COMAND) ............ 16
Technical data
Capacities fuels, coolants, lubricants etc. .................................. 38
Coolant ............................................ 39
Engine oils ....................................... 39
Rims and tires .................................. 37
Vehicle specification ML 450
HYBRID ............................................ 36
Washer and headlamp cleaning system ............................................. 39
Tires ...................................................... 37Unlocking
Fuel filler flap ................................... 20
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Version: 2.11.8.1Enviromental protection
Have the high-voltage battery disposed of in an environment-friendly manner by an authorized Mercedes-Benz Center. G Warning! The HYBRID system is energized by high voltage. The components of the HYBRID system are indicated by yellow warning labels. High-voltage cables are orange- colored. You could be seriously or even fatally injured when you Rtamper with components or high-voltage
cables of the HYBRID system
Rtouch components or high-voltage cables of the HYBRID system after the vehicle has been involved in an accident
Rtouch damaged components of the HYBRID
system
Do not remove the high-voltage battery of the HYBRID system. Have the high-voltage battery disposed of in an environment- friendly manner by an authorized Mercedes- Benz Center.
Operating safety
G Warning! When your vehicle is in electric drive mode the engine produces significantly lower noise levels. Other motorists or pedestriants, especially those who are visually or hearing impaired, may be unable to hear your vehicle while it is in motion. This is particularly true when driving at lower speeds and during parking maneuvers. At all times, it is the responsibility of the driver to be aware of their surroundings, especially in these low speed situtations. Otherwise other road users could be seriously or fatally injured.
Introduction
G Warning! Have all work on the vehicle, especially safety- related work, work on safety-relevant systems, work on the HYBRID system as well as maintenance work, carried out by an authorized Mercedes-Benz Center.
i For more information on operating safety,
refer to the Operator’s Manual.
Vehicle modifications G Warning! Improper work on the HYBRID system or modifications of the vehicle can cause vehicle systems to cease functioning properly. You could lose control over the vehicle and cause an accident. Therefore, have work on the HYBRID system and modifications of the vehicle such as installation or modification of vehicle equipment carried out by an authorized Mercedes-Benz Center
i For more information on operating safety,
refer to the Operator’s Manual.
Proper use of the vehicle Proper use of the vehicle requires that you are familiar with the following information and rules: Rthe safety precautions in this manual Rthe “Technical data” section in this manual Rthe Operator's Manual Rtraffic rules and regulations Rmotor vehicle laws and safety standards
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Version: 2.11.8.1Safety and security
Safety notes Warning labels G Warning! Various warning labels are attached to your vehicle. These warning labels are intended to make you and others aware of various risks. Do not remove any of these warning labels unless explicitly instructed to do so by information on the label itself. Removing warning labels may cause you and others to be unaware of certain risks which may result in an accident and/or personal injury.
Danger of electric shock The components of the HYBRID system are indicated by yellow warning labels to make you aware of high voltage. High-voltage cables are orange-colored.
G Warning! The HYBRID system is energized by high voltage. You could be seriously or even fatally injured when you Rtamper with components or high-voltage
cables of the HYBRID system
Rtouch components or high-voltage cables of the HYBRID system after the vehicle has been involved in an accident
Rtouch damaged components of the HYBRID
system
Do not remove covers of components of the HYBRID system that carry the yellow warning
label. Do not tamper with any components or with the orange high-voltage cables of the HYBRID system.
Engine compartment Before opening the hood do the following: X Engage the parking brake. X Shift the automatic transmission into park
position P.
X Switch off the ignition.
The READY indicator (Y page 16) in the instrument cluster goes out.
X Remove the SmartKey from the starter
switch or remove the SmartKey with KEYLESS-GO from the vehicle.
X Observe the safety notes on the danger of
electric shock in this manual.
X Observe the safety notes regarding the
hood in the Operator’s Manual.
Automatic HYBRID system switch-off The HYBRID system switches off automatically if Rthe Supplemental Restraint System (SRS)
activates the restraint systems in an accident
Ra short circuit in the HYBRID system is
detected
Ra plug connection of the HYBRID system is
disconnected
These measures help to prevent you from coming into contact with high voltage.
High-voltage battery G Warning! The high-voltage battery of the HYBRID system is located under the cargo compartment. When the pressure inside the high-voltage battery exceeds a certain value,
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Version: 2.11.8.1Safety and security
for example in case of a vehicle fire, inflammable gas will escape via a duct. The inflammable gas escapes to an area underneath the vehicles cargo compartment. This prevents the high-voltage battery from exploding. Stay away from this area of the vehicle.
Driving safety systems ABS (Antilock Brake System) Braking When the ABS engages during braking, the ABS/ESP® warning lamp d in the instrument cluster (Y page 13) flashes. The brake pedal will pulsate only in certain situations, for example on a slippery road. i For more information on the ABS, refer to
the Operator's Manual.
RBS (Recuperative Brake System) The RBS controls braking by blending the vehicles friction brakes with the hybrid transmissions recuperative energy function. The RBS system must perform a self-test when the ignition is switched on. X Make sure the automatic transmission is in
park position P.
X Switch on the ignition. X Apply the brake pedal fully and release it.
The self-test of the RBS is completed.
During the self-test of the RBS, less brake pedal pressure than usual is required and the brake pedal travel is longer. When you release the brake pedal, the brake pedal travel is as usual again. For more information on the RBS, see (Y page 11). G Warning! If the RBS malfunctions, the yellow RBS warning lamp é and/or the red brake
warning lamp $ (USA only) or J (Canada only) in the instrument cluster comes on. Read and observe the messages in the multifunction display that may appear. Find the subentry “Malfunction” of the entry “RBS (Recuperative Brake System)” in the index of this manual and follow the steps described in that section. G Warning! If the RBS malfunctions, less brake pedal pressure than usual may be required and the brake pedal travel may be longer. The brake system still functions with full effectiveness. If required, you have to depress the brake pedal further. Adapt your speed and driving accordingly. G Warning! Have work on the RBS, e.g. brake pad replacement, carried out by qualified technicians only. When working on the RBS, certain precautions must be taken, e.g. when putting the brake system back into service. Contact an authorized Mercedes-Benz Center. Service conducted by qualified technicians is required particularly for safety- relevant work and work on safety-relevant systems such as the RBS.
i For more information on the braking
system and for driving instructions, refer to the Operator’s Manual.
BAS (Brake Assist System) If you apply the brakes very quickly, the RBS provides full brake boost as fast as possible. In doing so, less brake pedal pressure than usual is required and the brake pedal travel is longer. X Apply continuous full braking pressure until
the emergency braking situation is over. The ABS will prevent the wheels from locking.
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Safety and security
i For more information on the BAS, refer to
the Operator’s Manual.
Driving systems Cruise control When the cruise control brakes the vehicle, the brake pedal is not depressed. i For more information on the cruise
control, refer to the Operator’s Manual.
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Driving off and accelerating consumes the most energy. Thus, the hybrid transmission supports the combustion engine with the energy stored in the high-voltage battery. The energy is also used for electrical driving, for operation of the electric compressor of the cooling system and to support the 12-volt on- board power supply. The hybrid drive thereby contributes significantly to the fuel economy of your vehicle. For information on driving with HYBRID, see (Y page 16). The current operating mode of the HYBRID system can be displayed in the instrument cluster (Y page 13) and in the COMAND display (Y page 13). The COMAND can also display a chart of the fuel consumption and the electric power that has been generated (Y page 15).
RBS (Recuperative Brake System) With the RBS activated (Y page 9), the hybrid transmission functions as a generator when coasting and braking. HYBRID converts the energy of movement into electric power and stores it in the high-voltage battery. The high- voltage battery does not require additional charging by other means.
Introduction
The HYBRID technology combines an economical combustion engine with a powerful hybrid transmission. The HYBRID system selects the most efficient operating mode for each driving situation automatically. You can drive the vehicle in the usual manner. The HYBRID system turns the combustion engine off as often as possible in order to save fuel. Depending on various conditions such as the charging level of the high-voltage battery or the operating temperature, the vehicle can run on electrical energy alone. These conditions as well as the degree to which the driver accelerates determine the vehicle speed and range that can be achieved for all- electrical driving. G Warning! When the READY indicator in the instrument cluster is on while the combustion engine is off, the combustion engine has been turned off automatically. All vehicle systems continue to be active as long as the ignition is switched on. When you open the driver’s door and unbuckle the seat belt with the READY indicator on, while the automatic transmission is in position N or P, the combustion engine starts automatically. Therefore, always do the following before leaving the vehicle: REngage the parking brake. RShift the automatic transmission into park
position P.
RSwitch off the ignition. The READY indicator
goes out.
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Overview HYBRID system
Component
Component
: High-voltage battery ; 12-volt battery = Hybrid transmission ? Voltage transformer
(transforms the voltage of the 12-volt battery and the high-voltage battery in both directions for best possible power management)
A Power electronics
(control the high-voltage system) B Electric refrigerant compressor for
the climate control system
C Combustion engine
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Instrument cluster
Function
Page
Function
: $ Brake warning lamp,
USA only
; d ABS/ESP® warning
lamp
= J Brake warning lamp,
Canada only
? Multifunction display
with: Charging level high-voltage battery
A é Recuperative Brake
System (RBS) warning lamp
B + Supplemental
Restraint System (SRS) indicator lamp
C ; Engine malfunction
indicator lamp, Canada only
D ! Engine malfunction indicator lamp, USA only
29
9, 29
29
14
29
31
21
21
E Power gauge F Multifunction display
with: Automatic transmission program mode indicator READY indicator for the HYBRID system
Page 14
18
16
Control system and COMAND
i For information on the instrument cluster
control system and COMAND operation, refer to the Operator’s Manual.
The current operating mode of the HYBRID system can be displayed in the multifunction display and in the COMAND. The COMAND can also display a chart of the fuel consumption and the electric power that has been generated (Y page 15).
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Selecting submenu in the multifunction display Use the buttons on the multifunction steering wheel. X Press button V or U repeatedly until
the standard display appears. X Press button & or * to select the HYBRID menu.
Selecting submenu in the COMAND display X Select System Q Hybrid Q Energy Flow.
COMAND display examples
Example illustration: Operating mode display 1 Combustion engine 2 Hybrid transmission 3 High-voltage battery 4 Charging condition of high-voltage
battery in percent
5 Flow of energy The HYBRID components that are currently active are highlighted in the COMAND display.
Multifunction display
Power gauge
COMAND display
Recuperation – the hybrid transmission functions as a generator, for example when coasting or braking. The kinetic energy of the vehicle is converted into electric power and stored in the high-voltage battery. The multifunction display indicates charging of the high-voltage battery by an arrow pointing upwards. The pointer of the power gauge moves into the charge section. The COMAND display indicates the flow of energy by green arrows.
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Multifunction display
Power gauge
COMAND display
Boost effect – the hybrid transmission supports the combustion engine when driving off and when accelerating. The multifunction display indicates discharging of the high-voltage battery by an arrow pointing downwards. The pointer of the power gauge moves into the boost section. The COMAND display indicates the flow of energy by white or red arrows (depending on the acceleration).
Multifunction display
Power gauge
COMAND display
Electric driving – the hybrid transmission powers the vehicle, up to a maximum speed of 30 mph (50 km/h). The multifunction display indicates discharging of the high-voltage battery by an arrow pointing downwards. The pointer of the power gauge moves within the range of its economy section. The COMAND display indicates the flow of energy by green arrows.
i Maximum Hybrid battery life is ensured by the electronic charge control maintaining a charge level between 25 % and 80 %. This is the ideal range for the Hybrid battery and therefore the charge level displayed in the instrument cluster or COMAND may not approach 100 %. This is intentional and does not indicate a malfunction of the Hybrid battery or the charging components.
Displaying fuel consumption and generated electric power The COMAND display indicates the fuel consumption and the generated electric power for the last 15 minutes of driving. X Select System Q Hybrid Q Consumption.
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Keep the driver’s footwell clear of all obstacles. If there are any floormats or carpets in the footwell, make sure the pedals still have sufficient clearance. During sudden driving or braking maneuvers the objects could get caught between or under the pedals. You could then no longer brake or accelerate. This could lead to accidents and injury.
Starting the engine
: READY indicator X Switch on the ignition. X Apply the brake pedal fully and release it. The self-test of the RBS is completed. For more information on the RBS, see (Y page 9).
X Observe the notes on “Starting the engine”
in the Operator’s Manual and start the combustion engine.
Silent-Start mode The combustion engine may not start each time you start the vehicle with the SmartKey or with KEYLESS-GO. Depending on various conditions such as the charging level of the high-voltage battery, you may drive off with electrical energy alone. The vehicle is then in Silent-Start mode. The READY indicator : will then indicate that the HYBRID systems are operational.
1 Fuel consumption ; Average fuel consumption From Start as shown in the multifunction display of the instrument cluster in the Trip computer menu.
= Generated electric power Each bar in the chart represents the average value for 1 minute.
Resetting values The values are reset together when resetting the trip computer in the From Start submenu. Refer to the Operator’s Manual.
Driving and parking Safety notes G Warning! When your vehicle is in electric drive mode the engine produces significantly lower noise levels. Other motorists or pedestriants, especially those who are visually or hearing impaired, may be unable to hear your vehicle while it is in motion. This is particularly true when driving at lower speeds and during parking maneuvers. At all times, it is the responsibility of the driver to be aware of their surroundings, especially in these low speed situtations. Otherwise other road users could be seriously or fatally injured. G Warning! Make sure absolutely no objects are obstructing the pedals’ range of movement.
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G Warning! When the READY indicator in the instrument cluster is on while the combustion engine is off, the combustion engine has been turned off automatically. All vehicle systems continue to be active as long as the ignition is switched on. When you open the driver’s door and unbuckle the seat belt with the READY indicator on, while the automatic transmission is in position N or P, the combustion engine starts automatically. Therefore, always do the following before leaving the vehicle: REngage the parking brake. RShift the automatic transmission into park
position P.
RSwitch off the ignition. The READY indicator
goes out.
The combustion engine turns off automatically when the system determines that it is not needed. The combustion engine does not turn off automatically when Rthe operation strategy requires that the
combustion engine is running
Rthe self-diagnosis of the combustion engine management is still running
Rthe combustion engine is running below or
above the operating temperature
Rthe catalytic converter is running below the
operating temperature
Rthe vehicle is being driven up an extremely
steep incline
Rthe hybrid components are below or above
their operating temperature
Rthe accelerator pedal is being depressed to
hard
Rthe vehicle speed is above 34 mph
(55 km/h)
Rthe automatic transmission is
malfunctioning
Rthe hood is open Rthe high-voltage battery is not charged
sufficiently
Driving off G Warning! When your vehicle is in electric drive mode the engine produces significantly lower noise levels. Other motorists or pedestriants, especially those who are visually or hearing impaired, may be unable to hear your vehicle while it is in motion. This is particularly true when driving at lower speeds and during parking maneuvers. At all times, it is the responsibility of the driver to be aware of their surroundings, especially in these low speed situtations. Otherwise other road users could be seriously or fatally injured. Depress the brake pedal and shift the automatic transmission into drive position D or reverse gear R. If the message Depress brake to shift out of P. appears in the multifunction display: X Depress the brake pedal with somewhat
greater force and select the desired transmission position.
i Read and observe messages that may
appear in the multifunction display (Y page 24). For more information on driving off, refer to the Operator’s Manual.
Driving Driving tips RThink ahead and keep sufficient distance. RAvoid frequent and rapid acceleration as
well as abrupt braking.
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RThe hybrid transmission supports the
combustion engine when driving off and when accelerating.
RThe hybrid transmission functions as a
generator when coasting the vehicle with the automatic transmission in drive position D and during braking. i For additional general driving
instructions, refer to the Operator’s Manual.
Parking G Warning! When your vehicle is in electric drive mode the engine produces significantly lower noise levels. Other motorists or pedestriants, especially those who are visually or hearing impaired, may be unable to hear your vehicle while it is in motion. This is particularly true when driving at lower speeds and during parking maneuvers. At all times, it is the responsibility of the driver to be aware of their surroundings, especially in these low speed situtations. Otherwise other road users could be seriously or fatally injured. G Warning! When the READY indicator in the instrument cluster is on while the combustion engine is off, the combustion engine has been turned off automatically. All vehicle systems continue to be active as long as the ignition is switched on. When you open the driver’s door and unbuckle the seat belt with the READY indicator on, while the automatic transmission is in position N or P, the combustion engine starts automatically. Therefore, always do the following before leaving the vehicle:
REngage the parking brake. RShift the automatic transmission into park
position P.
RSwitch off the ignition. The READY indicator
goes out.
X Engage the parking brake.
The parking brake indicator lamp $ (USA only) or ! (Canada only) in the instrument cluster comes on.
X Shift the automatic transmission into park
position P.
X Switch off the ignition.
The READY indicator goes out.
i For more information on parking and on turning off the combustion engine, refer to the Operator’s Manual.
Automatic transmission Automatic shift program
Program mode selector switch E Economy
For fuel-efficient operation For sporty driving
S Sport
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19
The current program mode appears in the multifunction display.
: Program mode indicator
i The automatic program mode E, for fuel-
efficient driving, is active each time you start the vehicle with the SmartKey or with KEYLESS-GO.
X Press the program mode selector switch repeatedly until the letter of the desired program mode appears in the multifunction display.
Selecting program mode E means: Renabling electric driving with the hybrid
transmission whenever possible Rconsumption-optimized driving
characteristics considering the individual driving style
Rmaximum driving comfort by smooth gear
changes
Rcontinuous power transmission Selecting program mode S means: Renabling more electric driving as it is
possible with selected program mode E Rsporty engine and transmission setting Rgear changes according to the driving style
and road conditions
Rdriving characteristics of a conventional
eight-speed transmission
i For more information on the automatic
transmission, refer to the Operator’s Manual.
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20 Operation
Refueling
G Warning! Gasoline is highly flammable and poisonous. It burns violently and can cause serious personal injury. Never allow sparks, flames or smoking materials near gasoline! Turn off the engine before refueling. Whenever you are around gasoline, avoid inhaling fumes and any skin or clothing contact. Extinguish all smoking materials. Direct skin contact with fuels and the inhalation of fuel vapors are damaging your health. G Warning! Overfilling of the fuel tank may create pressure in the system which could cause a gas discharge. This could cause the gas to spray back out when removing the fuel pump nozzle, which could cause personal injury.
! Never refuel vehicles with gasoline engine
with diesel fuel. Even small amounts of diesel fuel will damage the fuel system and engine. Damage resulting from the use of non-approved fuels or fuel additives or resulting from mixing gasoline with diesel fuel is not covered by the Mercedes-Benz Limited Warranty.
! If you have accidentally filled the tank
with incorrect or non-approved fuel, do not switch on the ignition. Otherwise the incorrect or non-approved fuel will get into the fuel lines. The fuel system must be drained completely. Contact an authorized Mercedes-Benz Center to have the fuel system drained completely.
! To prevent damage to the catalytic
converters, only use premium unleaded gasoline in this vehicle. Any noticeable irregularities in engine operation should be repaired promptly.
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Version: 2.11.8.1Otherwise, excessive unburned fuel may reach the catalytic converter, causing it to overheat and potentially start a fire.
i Only use premium unleaded gasoline with
a minimum Posted Octane Rating of 91
(average of 96 RON/86 MON). Information on gasoline quality can normally be found on the fuel pump. Please contact gas station personnel in case labels on the pump cannot be found. For more information on gasoline, see Operator's Manual, contact an authorized Mercedes-Benz Center, or visit www.mbusa.com (USA only).X Bring the vehicle to a standstill. X Engage the parking brake. X Shift the automatic transmission into park
position P.
X Switch off the ignition.
The READY indicator (Y page 16) in the instrument cluster goes out.
X Remove the SmartKey from the starter
switch or remove the SmartKey with KEYLESS-GO from the vehicle.
i Before refueling your vehicle its fuel tank
system needs to be depressurized.
X Press fuel filler flap switch :.
Indicator lamp ; comes on as the fuel filler flap is unlocked.
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In case of a blinking indicator lamp ;, pressure on the fuel tank system needs to be released first. A malfunction in the system has been detected if Rthe indicator lamp ; fails to stop blinking after approximately 10 seconds after the fuel filler flap switch : has been pressed Rthe indicator lamp ; does not come on at
all
Rthe malfunction indicator lamp ! (USA
only) or ; (Canada only) comes on
The fuel filler flap is located on the right-hand side of the vehicle towards the rear. i In case the fuel filler flap switch does not release the fuel filler flap, see “Opening the fuel filler flap manually” (Y page 31). G Warning! Remove fuel filler cap slowly. Fuel spray may cause injury. Complete refueling within 20 minutes after opening the fuel filler flap. Otherwise fuel may spray out and cause injury. If the refueling process cannot be completed within 20 minutes, press the fuel filler flap switch again.
i Leaving the combustion engine running and the fuel filler cap open can cause the yellow fuel tank reserve warning lamp to flash and the malfunction indicator lamp ! (USA only) or ; (Canada only) to illuminate. For more information on refueling, see Operator's Manual.
X Opening: Pull fuel filler flap = out in
direction of arrow.
X Turn fuel filler cap ? counterclockwise. X Take off fuel filler cap ?. ! The fuel filler cap is tethered to the fuel filler neck. Do not drop the cap. It could damage the vehicle paint finish.
X Set fuel filler cap ? on fuel filler flap =. X Fully insert filler nozzle unit and refuel. X Only fill your tank until the filler nozzle unit
cuts out – do not top off or overfill.
X Closing: Turn fuel filler cap ? until it
audibly engages.
X Close fuel filler flap =.
The fuel filler flap is locked. The indicator lamp on the fuel filler flap switch goes out (Y page 20).
Engine oil
The amount of oil your combustion engine consumes will depend on a number of factors, including driving style. Increased oil consumption can occur when the vehicle is new or the vehicle is driven frequently at higher engine speeds. Engine oil consumption checks should only be made after the vehicle break-in period. ! Do not use any special lubricant additives, as these may damage the drive assemblies.
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Version: 2.11.8.1Using special additives not approved by Mercedes-Benz may cause damage not covered by the Mercedes-Benz Limited Warranty. For further information contact an authorized Mercedes-Benz Center.
Notes on checking engine oil level When checking the oil level the vehicle must be parked on level ground and the vehicle must have been stationary for at least 5 minutes with the combustion engine turned off.
Checking engine oil level Before opening the hood do the following: X Engage the parking brake. X Shift the automatic transmission into park
position P.
X Switch off the ignition.
The READY indicator (Y page 16) in the instrument cluster goes out.
X Remove the SmartKey from the starter
switch or remove the SmartKey with KEYLESS-GO from the vehicle.
X Observe the safety notes on the danger of
electric shock in this manual.
X Open the hood, see Operator's Manual.
X Remove cover : by pulling it in direction
of arrow.
X Pull out oil dipstick ;. X Wipe oil dipstick ; clean. X Fully insert oil dipstick ; into the dipstick
guide tube.
X Pull out oil dipstick ; again after approximately 3 seconds to obtain accurate reading. The oil level is correct when it is between lower (min) mark ? and upper (max) mark = of oil dipstick ;.
i The filling quantity between the upper and
lower marks on the oil dipstick is approximately 2.1 US qt. (2.0 l).
X If necessary, add engine oil (Y page 22). X Install cover :. For more information on engine oil, see Operator's Manual.
Adding engine oil
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X Remove the cover (Y page 22). X Unscrew filler cap : from filler neck. X Add engine oil as required. Be careful not
to overfill with oil.
Be careful not to spill any oil when adding. Avoid environmental damage caused by oil entering the ground or water. ! Excess oil must be siphoned or drained off. It could cause damage to the engine and emission control system not covered by the Mercedes-Benz Limited Warranty.
X Screw filler cap : back on filler neck. X Install the cover (Y page 22).
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Version: 2.11.8.1Vehicle status messages in the multifunction display Notes Warning and malfunction messages appear in the multifunction display located in the instrument cluster. Certain warning and malfunction messages are accompanied by an audible signal. Address these messages accordingly and follow the additional instructions given in this Supplemental Operating Instructions Booklet. Selecting the Vehicle status message memory menu in the control system displays both cleared and uncleared messages. High-priority messages appear in the multifunction display in red color. Certain messages of high priority cannot be cleared from the multifunction display using the reset button or button &, *, U or V on the multifunction steering wheel. Other messages of high priority and messages of less immediate priority can be cleared from the multifunction display using the reset button or button &, *, U or V on the multifunction steering wheel. They are then stored in the Vehicle status message memory menu. Remember that clearing a message will only make the message disappear. Clearing a message will not correct the condition that caused the message to appear.
G Warning! All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Benz Center. Failure to repair the condition noted may cause damage not covered by the Mercedes- Benz Limited Warranty, or result in property damage or personal injury. G Warning! No messages will be displayed if either the instrument cluster or the multifunction display is inoperative. As a result, you will not be able to see information about your driving conditions, such as Rspeed Routside temperature Rwarning/indicator lamps Rmalfunction/warning messages Rfailure of any systems Driving characteristics may be impaired. If you must continue to drive, do so with added caution. Contact an authorized Mercedes- Benz Center as soon as possible. On the pages that follow, you will find a compilation of the warning and malfunction messages specific to the HYBRID system. For all other warning and malfunction messages, refer to the Operator’s Manual.
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Text messages Display messages Wait Driving briefly in Reverse currently not possible Driving in Reverse now possible again Depress brake
to shift out of P.
Engine Can Now Be Started
Fuel Filler Flap Open
Possible causes/consequences and X Solutions Driving in reverse is currently not possible. The hybrid transmission is overheated. X Wait briefly. X Depress the brake pedal. X Release the accelerator pedal. X The message in the multifunction disappears. The hybrid transmission has cooled down. X Driving in reverse is now possible again.
You have attempted to shift the automatic transmission into drive position D, reverse gear R or neutral position N without depressing the brake pedal or without depressing it fully. X Depress the brake pedal fully. The high-voltage battery has been charged via the voltage transformer automatically. X Start the combustion engine. X Disconnect the charge unit or jumper cables. X Drive the vehicle for some time in order to charge the 12-
volt battery and the high-voltage battery.
The fuel filler flap is open. X Check the fuel filler flap. X If it is not closed properly: Close the fuel filler flap. X If it is closed properly: Have the fuel system checked by
an authorized Mercedes-Benz Center.
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Symbol messages Display messages c Charging Hybrid Battery Please Wait
d Malfunctio
d Stop car,
switch engine off.
c Malfunctio
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Version: 2.11.8.1Possible causes/consequences and X Solutions The high-voltage battery is discharged. You have switched on the ignition while the 12-volt battery was being charged with an approved charge unit or while jump starting the vehicle. The high-voltage battery is being charged via the voltage transformer automatically. Depending on the state of the high-voltage battery's discharge, the charging procedure may take up to 60 minutes. The message Engine Can Now Be Started appears in the multifunction display, after the system became adequately charged to start the combustion engine (Y page 25). If the display message Engine Can Now Be Started does not appear after about an hour: X Try to start the combustion engine. X If the combustion engine cannot be started: Contact an
authorized Mercedes-Benz Center.
The HYBRID system is malfunctioning. X Have the system checked at an authorized Mercedes-Benz
Center.
The HYBRID system is malfunctioning. In addition an acoustic warning sounds. X Stop the vehicle in a safe location as soon as possible. X Engage the parking brake. X Switch off the ignition. X Wait at least 60 seconds for the system to complete the necessary check cycles before you start the combustion engine again.
X If the combustion engine cannot be started again contact
an authorized Mercedes-Benz Center.
The high-voltage system is malfunctioning. In addition an acoustic warning sounds. X Contact an authorized Mercedes-Benz Center immediately.
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Display messages c Malfunctio n Service Required
8 Gas Cap
Open
D Power Steering Malfunctio See Operator's Manual
Possible causes/consequences and X Solutions The high-voltage system is malfunctioning. In addition an acoustic warning sounds. X Drive with added caution to the nearest authorized
Mercedes-Benz Center.
The combustion engine cannot be started again, if Rthe automatic transmission is set to position neutral
position N or park position P
Rthe hood is opened Rthe bolted cover in the trunk is removed
A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaking. X Check the fuel cap. X If it is not closed properly: Close the fuel cap. X If it is closed properly: Have the fuel system checked by
an authorized Mercedes-Benz Center.
Power assistance for the steering system is not available. A considerably higher degree of effort is necessary to steer the vehicle. X Check whether you are capable to apply the higher degree
of effort necessary to safely steer the vehicle.
If you are able to steer the vehicle safely: X Continue driving with added caution. X Have the system checked at an authorized Mercedes-Benz
Center.
If, in any way, you feel that you are not able to steer the vehicle safely: X Stop the vehicle in a safe location as soon as it is safe to
do so.
X Apply the parking brake. X Do not continue to drive. X Contact an authorized Mercedes-Benz Center.
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Display messages
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Version: 2.11.8.1Possible causes/consequences and X Solutions The 12-volt battery is no longer charging. Possible causes: Rvoltage transformer malfunctioning Rthe 12-volt battery is malfunctioning X Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the parking brake. X Do not continue to drive. X Contact an authorized Mercedes-Benz Center.
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What to do if ... Lamps in instrument cluster Problem
é The yellow RBS (Recuperative Brake System) warning lamp is on while the combustion engine is running. In addition, an acoustic warning may sound.
(USA only) (Canada only) The red brake warning lamp is on while the combustion engine is running. An additional acoustic warning sounds.
The yellow ABS/ESP® warning lamp flashes while driving.
Possible causes/consequences and X Solutions The RBS is malfunctioning. Risk of accident! The combustion engine may not turn off automatically. X Read and observe messages that may appear in the
multifunction display (Y page 24).
X Continue driving with added caution. X Contact an authorized Mercedes-Benz Center.
The RBS is malfunctioning. Risk of accident! Brake pedal travel may be longer than usual and the braking behavior of the vehicle may change. X Stop the vehicle in a safe location or as soon as it is safe to do
so. Do not continue to drive.
X Contact an authorized Mercedes-Benz Center immediately. X Read and observe messages that may appear in the
multifunction display (Y page 24), see Operator’s Manual.
The brake fluid level in the brake fluid reservoir is too low. Risk of accident! X Stop the vehicle in a safe location or as soon as it is safe to do
so. Do not continue to drive.
X Contact an authorized Mercedes-Benz Center immediately. X Read and observe messages that may appear in the
multifunction display (Y page 24), see Operator’s Manual.
Do not add brake fluid. This will not solve the problem. The ESP®, the 4-ETS, or the ABS has come into operation because of detected traction loss for at least one wheel. Risk of accident! The cruise control is deactivated. X When driving off, apply as little throttle as possible. X While driving, ease up on the accelerator pedal. X Adapt your speed and driving to the prevailing road and weather
conditions.
X Do not switch off the ESP®.
Exceptions, see Operator’s Manual.
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Version: 2.11.8.1Problem The warning and indicator lamps in the instrument cluster fail to come on when switching on the ignition.
Possible causes/consequences and X Solutions The 12-volt battery and/or the high-voltage battery are discharged. X Charge the 12-volt battery (Y page 32). or X Get a jump start (Y page 33). or X Contact an authorized Mercedes-Benz Center.
Combustion engine Problem The combustion engine cannot be started. The warning and indicator lamps in the instrument cluster come on when switching the ignition.
The combustion engine cannot be started. The multifunction display does not display any messages.
Possible causes/consequences and X Solutions The high-voltage battery is discharged. The discharged high-voltage battery is being charged with the ignition switched on while the vehicle is being jump started (Y page 33). X Read and observe messages that may appear in the
multifunction display (Y page 24).
The self-diagnosis has not been completed yet or the HYBRID system is malfunctioning. X Switch off the ignition and switch it back on. X Try to start the combustion engine once more. X If the combustion engine cannot be started: Contact an
authorized Mercedes-Benz Center.
RBS (Recuperative Brake System) Problem Less brake pedal pressure is required and the brake pedal travel is longer than usual.
Possible causes/consequences and X Solutions X Apply the brake pedal fully and release it.
The required brake pedal pressure and the brake pedal travel are back to normal.
The RBS is malfunctioning. Risk of accident! X Read and observe the messages in the multifunction display
(Y page 24) and the notes on warning and indicator lamps in the instrument cluster (Y page 29).
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Problem The brake pedal pulsates.
Possible causes/consequences and X Solutions The RBS is providing electronic controlled brake boost. Read and observe the notes on the ABS/ESP® warning lamp (Y page 9).
The HYBRID system switches of automatically Problem The HYBRID system has switched of automatically.
Possible causes/consequences and X Solutions Your vehicle was involved in an accident. The HYBRID system remains switched off, if Rthe combustion engine cannot be started again after a few
seconds
Rthe SRS warning lamp + in the instrument cluster comes on X Contact an authorized Mercedes-Benz Center. A short circuit in the HYBRID system has occurred or a plug connection of the HYBRID system was disconnected. X Read and observe messages that may appear in the
multifunction display (Y page 24).
X Contact an authorized Mercedes-Benz Center.
The HYBRID system has switched of automatically. An additional message appears in the multifunction display.
Opening the fuel filler flap manually
G Warning! Avoid contact with the vehicle walls as they may contain sharp edges. Otherwise, you could injure yourself while opening the fuel filler flap. G Warning! Open the fuel filler flap manually only if the fuel filler flap switch is not operational. With the fuel filler flap opened manually, fuel may spray out during the refueling process. In case the fuel filler flap switch (Y page 20) does not release the fuel filler flap, you can open it manually. The fuel filler flap release is located behind a cover on the passenger side in the cargo compartment.
X Open the tailgate, see Operator's Manual. X Insert a suitable object such as a coin into
the slot of locks :.
X Turn locks : by 90° in direction of the
arrows.
X Remove cover ;.
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X Pull light-blue fuel filler flap release = in
direction of arrow. The fuel filler flap is unlocked.
X Open the fuel filler flap (Y page 21). X Close cover ;. X Close the tailgate.
Battery Notes Your vehicle is equipped with a 12-volt battery and a high-voltage battery. The high- voltage battery stores the power required for the hybrid transmission. The hybrid transmission also starts the combustion engine. Have any work on the batteries performed at an authorized Mercedes-Benz Center. i Read and observe the safety notes
(Y page 8) and the notes on the 12-volt battery in the Operator’s Manual. G Warning! The electrolyte, i.e. the battery fluid, is toxic and caustic. Do not allow this fluid to come in contact with eyes, skin or clothing, for example in case of an accident. In case it does, immediately flush affected area with water and seek medical help immediately. For information on the location of the 12-volt battery and the high-voltage battery, see (Y page 12).
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Version: 2.11.8.1! Deep discharge caused by prolonged
periods of the vehicle not being used, can damage the high-voltage battery. During such periods, operate the vehicle every 4 weeks for several minutes in order to charge the high-voltage battery. During the charging process, switch off electrical consumers that are currently not needed, e.g. climate control system or seat heating. If necessary, get a jump start. G Warning! Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and lead to death. Do not run the engine in confined areas (such as a garage) which are not properly ventilated. If you do not intend to operate your vehicle for an extended period of time, contact an authorized Mercedes-Benz Center about steps you need to observe.
Charging the battery Charging the 12-volt battery G Warning! Never charge a battery while still installed in the vehicle unless the accessory battery charge unit approved by Mercedes-Benz is being used. Gases may escape during charging and could cause an explosion that may result in personal injury, paint damage or corrosion. An accessory battery charge unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for information and availability.
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Charge battery in accordance with the separate instructions for the accessory battery charger.
X Open the hood, see Operators' Manual. X Follow the instructions in the separate
operating instructions of the charge unit.
X Flip up cover 1 of the positive terminal in
direction of arrow.
X Connect the positive terminal clamp of the
charge unit with positive terminal 2.
X Slide cover = from the negative terminal
in direction of arrow.
X Connect the negative terminal clip of the
charge unit with negative terminal ?.
X Charge the 12-volt battery.
Disconnecting the charge unit X After the combustion engine has been
started, disconnect the charge unit. Follow the instructions in the separate operating instructions of the charge unit.
X Close the hood. X Drive the vehicle for some time in order to
charge the 12-volt battery.
Jump starting
When the 12-volt battery or the high-voltage battery is discharged, the combustion engine can be started with jumper cables and the battery of another vehicle.
Observe the following: RJump starting should only be performed
when the combustion engine and the catalytic converter are cold.
RDo not jump start if the battery is frozen.
Let the battery thaw out first.
ROnly jump start from batteries with the
same voltage rating (12 V). Jump starting with a more powerful battery could damage the vehicle’s electrical system, which is not covered by the Mercedes-Benz Limited Warranty.
ROnly use jumper cables with sufficient
cross-section and insulated terminal clamps.
RAlways make sure the jumper cables are not on or near pulleys, fans or other parts that move when an engine is started or running.
RShould the battery be drained completely, let the donating power source charge the vehicle for several minutes before
