Mercedes-Benz 420 SEL 1988, 560 SEL 1988, 560 SEC 1988 Owner's Manual
Owner’s Manual
420 SEL
560 SEL
560 SEC
Vl
f
0
What You Should Know
at the Gas Station
See last page
Drive Sensibly - Save Fuel
Fuel consumption, to a great extent,
depends on driving habits and operat
ing conditions.
To save fuel you should:
• keep tires at the recommended
inflation pressures
• remove unnecessary loads
• remove ski racks or roof-mounted
luggage racks when not in use
• allow engine to warm up under low
load use
• avoid frequent acceleration and
deceleration
• have all maintenance work per
formed at regular intervals by an
authorized MERCEDES-BENZ
dealer.
Fuel consumption is also increased
by driving in cold weather, in stop-
and-go traffic, on short trips and in
hilly country.
Owner’s Manual
\
420 SEL
560 SEL
560 SEC
Model 126
1988
Printed in Germ any
We reserve the right to modify the technical details of the vehicle as given in the data
and illustrations of this Owner’s Manual (s.e.e.o.). Reprinting, translation and copying,
even of excerpts, is not permitted without our prior authorization in writing.
ZKD / 8.87.15 / MD
O u r company and staff congratulate you on the purchase of your
new MERCEDES-BENZ.
Your selection of our product is demonstration of your trust in our
company name. Further, 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 ensure your pleasure of ownership,
we ask you to make a small investment of your time:
• Please read this manual carefully before putting it aside.
• Please considerthe recommendations contained in this
manual. They are designed to acquaint you with the operation
of your MERCEDES-BENZ.
We extend our best wishes for many miles of safe, pleasurable
driving.
Daimler-Benz Aktiengesellschaft
Introduction
This Owner’s Manual contains a great deal of useful
information. We urge you to read it carefully and
familiarize yourself with the vehicle before driving.
For your own safety and longer service life of the vehicle,
we urge you to follow the instructions and warnings.
Ignoring them could result in damage to the vehicle or
personal injury.
Your vehicle may have some or all of the equipment
described. Therefore, you may find explanations of
equipment not installed in your vehicle. If you have any
questions about the operation of any equipment, your
authorized MERCEDES-BENZ dealer will be glad to
demonstrate the proper procedures.
Owner’s Service and Warranty Policy
The Owner’s Service and Warranty Policy Booklet con
tains detailed information about the warranties covering
your MERCEDES-BENZ, including:
• New Car Limited Warranty
• Emission System Warranty
• Emission Performance Warranty
• California Emission Control System
Warranty (California Only)
4
Maintenance
The Maintenance Booklet describes all the necessary
maintenance work which should be performed at regular
intervals.
Always have the Maintenance Booklet with you when
you take the vehicle to your authorized MERCEDES-
BENZ dealer for service. The Service Advisor will record
each service.
Roadside Assistance
Although your Mercedes-Benz is built to be as trouble-
free as possible, a Roadside Assistance Program is avail
able to provide emergency roadside service after normal
dealer hours and on weekends and holidays in the
contiguous United States.
Roadside Assistance is available Monday through Friday
from 5:00 PM to 12:00 Midnight and on Saturday, Sun
day and legal holidays from 8:00 AM to 12:00 Midnight.
In the event of a breakdown during these hours,
telephone this toll-free number: 1-800-222-0100.
For additional information, refer to the Mercedes-Benz
Roadside Assistance Program Booklet in your glove
compartment.
Change of Address or Ownership
If you change your address, be sure to send in the
“Change of Address Notice” found in the Owner’s
Service and Warranty Policy Booklet. It is in your own
interest that we can contact you should the need arise.
If you sell your Mercedes, please leave all owner’s litera
ture with the vehicle to make it available to the next
owner.
If you bought this vehicle used, be sure to send in the
“Notice of Purchase of Used Car” found in the Owner’s
Service and Warranty Policy Booklet.
Operating Your Vehicle Outside the U.S.A. or Canada
If you plan to operate your vehicle in foreign countries,
please be aware that:
• unleaded fuels for vehicles with catalytic converters
may not be available; the use of leaded fuels will
damage the catalysts,
• fuel may have a considerably lower octane rating, and
improper fuel can cause engine damage,
• service facilities or replacement parts may not be
readily available.
Certain Mercedes-Benz models are available for delivery
in Europe under our European Delivery Program. For
details, consult your authorized MERCEDES-BENZ
dealer or write to:
Mercedes-Benz of North America, Inc.
European Delivery Department
One Mercedes Drive
Montvale, NJ 07645
In Canada write to:
Mercedes-Benz Canada, Inc.
European Delivery Department
849 Eglinton Avenue East
Toronto, Ontario M4G 2L5
5
Optional equipment is also described in this manual, includ
ing operating instructions wherever necessary. Since they
are special-order items, the descriptions and illustrations
herein may vary slightly from the actual equipment of your
vehicle.
If there are any equipment details that are not shown or
described in this Owner’s Manual, your authorized
MERCEDES-BENZ dealer will be glad to inform you of
correct care and operating procedures.
The Owner’s Manual and Maintenance Booklet are important
documents and should be kept with the vehicle.
6
Instruments and Controls, Starting the Engine
Driving Instructions, Service and Maintenance
Operation
Driving
Practical Hints
Technical Data
Fuels, Coolants, Lubricants, etc.
Consumer Information
Index
Check Regularly and
Before a Long Trip
See page 116
The First 1500 km (1000 Miles)
The more cautiously you treat your
vehicle during the break-in period, the
more satisfied you will be with its per
formance later on. Therefore, drive
your vehicle during the first 1500 km
(1000 miles) at moderate vehicle and
engine speeds.
During this period, avoid heavy loads
(full throttle driving) and high RPM
(no more than 2A of maximum per
missible speed in each gear).
Avoid accelerating by kickdown. It is
not recommended to brake the
vehicle by manually shifting to a
lower gear. We recommend to select
positions “3” or “2” only at moderate
speeds (for hill driving).
After 1500 km (1000 miles) speeds
may gradually be increased to the
permissible maximum.
8
Instruments and Controls, Starting the Engine
Driving Instructions, Service and Maintenance
Instruments and Controls 10
Instrument Cluster 12
Indicator Lamp Symbols 13
Catalytic Converter Cautions 14
Starting and Turning off
the Engine 15
Driving Instructions 16
MERCEDES-BENZ
Maintenance System 19
Instruments and Controls
For more detailed descriptions see specified pages.
1 Volume control for side air outlets (page 22)
2 Side air outlets (page 22)
3 Adjustable air outlets (page 22)
4 Parking brake release (page 62)
5 Hood lock release (pages 74, 75)
6 Parking brake pedal (page 62)
7 Combination switch (page 46)
8 Exterior lamp switch (page 45)
9 Cruise control (page 65)
10 Instrument cluster (page 12)
11 Horn control, air bag (page 41)
12 Steering lock with ignition/starter switch (page 44)
13 Air volume control lever for center air outlets
(page 22)
14 Rear window defroster switch (page 49)
10
15 Air recirculation switch (page 22)
16 Hazard warning flasher system switch
17
Automatic antenna switch (page 59)
18
Rear passenger compartment lamp switch (page 50)
19
Automatic climate control (page 22)
20
Radio (page 52)
21
Ashtray with lighter (pages 48, 96)
22 Left front seat heater switch (page 34)
23
Fanfare horn control switch
24
Switch for rear window sun shade
25 Right front seat heater switch (page 34)
26
Left power window switch group (page 51)
27
Adjusting switch for exterior mirror on front
passenger side (page 47)
28
Loudspeaker front to rear fader control
29 Right power window switch group (page 51)
30 Glove compartment, illuminated (only with key in
steering lock positions 1 or 2)
11
Instruments and Controls
Instrument Cluster
1 Knob for instrument lamps and trip odometer
Rotate knob: To vary intensity of instrument lamps
Depress knob: To reset trip odometer
2 Economical driving indicator. See page 66
3 Coolant temperature gauge. See page 67
4 Fuel gauge with reserve warning lamp (yellow).
See page 67
5 Oil pressure gauge (bar). See page 66
6 Turn signal indicator lamp, left (green)
7 Speedometer
8 Main odometer
9 Trip odometer
10 Outside temperature indicator. See page 68
11 Turn signal indicator lamp, right (green)
12 Electric clock
13 Tachometer
14 Red marking on tachometer:
Excessive engine speed
15 Knob for clock adjustment
(press in for adjustments)
12
Indicator Lamp Symbols
Function Indicator Lamp
High beam
ID
Warning Lamps
(must go out with the engine running)
a
Battery not being charged.
See page 66
BRAKE
Brake fluid low (except Canada).
Parking brake engaged.
See pages 62, 68
((D)
Brake fluid low (Canada only).
Parking brake engaged.
See pages 62, 68.
Brake pad wear.
See page 68
Engine oil level low.
See page 66
O
Coolant level low.
See page 67
■ ' ■
Fluid level for windshield and headlamp
washer system low.
See page 67
Exterior light failure.
See page 67
ABS malfunction.
See page 69
SRS
CHECK
ENGINE
SRS malfunction.
See page 41
CHECK ENGINE malfunction.
If the lamp comes on when the engine is
running, it indicates a malfunction in the
0 2-sensor on Federal version vehicles, and
injection system or emission control system
on the California version vehicles. In either
case we recommend that you have the mal
function checked as soon as possible.
See page 70
IS
13
Instrument Cluster
Catalytic Converter Cautions
Your MERCEDES-BENZ is equipped
with monolithic catalytic converters,
an important element in conjunction
with the 0 2-sensor to achieve sub
stantial control of the pollutants in the
exhaust emissions. Keep your vehicle
in proper operating condition by
following our recommended mainte
nance instructions as outlined in your
maintenance booklet.
Caution!
To prevent damage to the catalytic
converters, use only premium un
leaded gasoline in this vehicle.
Should any noticeable irregularities in
the engine operation occur, excessive
unburned fuel may reach the convert
er causing it to overheat.
Warning!
As with any vehicle, do not idle,
park or operate this vehicle in areas
where combustible materials such
as grass, hay or leaves can come
into contact with the hot exhaust
system, as these materials could be
ignited.
14
Starting and Turning off the Engine
Engage parking brake and move the
gear selector lever in either “P” or “N”
position before starting the engine.
Turn key to steering lock position 2.
The charge indicator lamp should
come on.
Cold Engine
Turn key in steering lock clockwise to
the stop. Do not depress accelerator.
Release key only when the engine is
firing regularly.
At ambient temperatures below
-18° C (0° F), depress accelerator
three times prior to starting.
Hot Engine
Turn key in steering lock clockwise to
the stop. Do not depress accelerator.
If the engine has not fired after ap
prox. 4 seconds, depress accelerator
and continue cranking until the engine
is firing regularly. Release key and
back off accelerator.
At very high coolant temperatures the
engine starting time can be shortened
if the accelerator is depressed slowly
at the beginning of the starting pro
cess.
Turning off
Turn the key in steering lock to posi
tion 0 and only remove the key when
the vehicle has stopped.
If the coolant temperature is very high
(e.g. after hard driving on mountain
roads), do not shut off the engine
immediately, allow it to run for
1-2 minutes at increased idle speed.
Important!
Due to the installed starter non-repeat
unit, the key must be returned to
steering lock position 0 before a new
starting attempt is made.
Observe the oil pressure gauge
immediately after starting the engine.
In a very cold engine the oil pressure
will only rise slowly, some time after
the engine has started. Do not speed
up the engine before pressure is
registered on the pressure gauge.
The charge indicator lamp should go
out as soon as the engine has started.
In areas where temperatures fre
quently drop below -25° C (-13° F),
we recommend that a block heater
be installed. Your authorized
MERCEDES-BENZ dealer will advise
you on this subject.
Driving Instructions
Power assistance
When the engine is not running, the
brake and steering systems are with
out power assistance. Under these
circumstances, a much greater effort
is necessary to stop or steer the
vehicle.
Brakes
Caution!
When driving down long and steep
grades, relieve the brakes by shifting
into “3”, “2” or “B”. This helps prevent
overheating of the brakes and re
duces brake pad wear. Do not exceed
engine speed limits (see page 64).
After hard braking it is advisable to
drive on for some time so the air
stream will cool down the brakes
faster.
Warning!
After driving in heavy rain for some
time without applying the brakes or
through water deep enough to wet
brake components, the first braking
action may be somewhat reduced
and increased pedal pressure may
be necessary. Be sure to maintain a
safe distance from vehicles in front.
The condition of the parking brake
system is checked each time the car
is in the shop for maintenance.
Between maintenance checks it is a
good practice to apply the parking
brake once or twice while driving at
approximately 50 km/h (30 mph) on a
dry straight road. Apply brake lightly
until a slight drag on the wheels is felt.
Keep applying brake for about
10 seconds while pulling the release
handle out before releasing the park
ing brake completely. This practice
will keep the parking brake at maxi
mum efficiency.
Warning!
The stop lamps will not come on
when applying the parking brake
only. Perform the procedure in the
previous paragraph only when the
road is clear of other traffic.
Caution!
Resting your foot on the brake pedal
will cause excessive and premature
wear of the brake pads.
All checks and maintenance work on
the brake system should be carried
out by an authorized MERCEDES-
BENZ dealer.
If the parking brake is released and
the brake warning lamp in the instru
ment cluster stays on, the brake fluid
level in the reservoir is too low.
Brake pad wear or a leak in the
system may be the reason for low
brake fluid in the reservoir.
Have the brake system inspected at
an authorized MERCEDES-BENZ
dealer without delay.
Install only brake pads and brake fluid
recommended by MERCEDES-BENZ.
If other than recommended brake
pads are installed, the braking proper
ties of the vehicle can be affected to
an extent that the safety is substan
tially impaired.
16
Tires
Tread wear indicators (TWI) are
required by law. These indicators are
located in six places on the tread cir
cumference and become visible at a
depth of approx. 2 mm ('/e in), at
which point the tire is considered
worn and should be replaced.
The tread wear indicator appears as a
solid band across the tread.
Warning!
Do not allow your tires to wear
down too far. With less than 3mm
('/b in) of tread, the adhesion prop
erties on a wet road are sharply re
duced.
Depending upon the weather and/
or road surface (conditions), the
traction varies widely.
Specified tire pressures must be
maintained. This applies particularly if
the tires are subjected to high loads
(e. g. high speeds, heavy loads, high
ambient temperatures).
Aquaplaning
Depending on the depth of the water
layer on the road, aquaplaning may
occur, even at low speeds and with
new tires. Avoid track grooves in the
road and apply brakes cautiously in
the rain.
Tire traction
The safe speed on a wet, snow co
vered or icy road is always lower than
on a dry road.
You should pay particular attention to
the condition of the road as soon as
the prevailing temperatures fall close
to the freezing point.
Warning!
If ice has formed on the road, tire
traction will be substantially re
duced. Under such weather condi
tions, drive, steer and brake with
extreme caution.
We recommend M + S radial-ply tires
for the winter season for all four
wheels to insure normal balanced
handling characteristics. On packed
snow, they can reduce your stopping
distance as compared with summer
tires. Stopping distance, however, is
still considerably greater than when
the road is wet or dry.
17
Driving Instructions
Parking
Warning!
To reduce the risk of personal in
jury as a result of vehicle move
ment, before leaving the vehicle
always:
1. Keep foot on brake pedal.
2. Firmly depress parking
brake pedal.
3. Slowly release brake pedal.
4. Move the selector lever
to position “P”.
5. Turn front wheels towards
the road curb.
6. Turn the key to steering
lock position 0 and remove.
Note:
It is advisable to set the parking brake
whenever leaving the vehicle. Also,
when parking on hills, always apply
the parking brake. In addition, move
selector lever to position “P”.
Winter Driving Instructions
The most important rule for slippery
or icy roads is to drive sensibly and to
avoid abrupt acceleration, braking
and steering action. Do not use the
cruise control system under such
conditions.
When the vehicle is in danger of skid
ding, move selector lever to position
“N”. Try to keep the vehicle under
control by corrective steering action.
Road salts and chemicals can ad
versely affect braking efficiency.
Increased pedal force may become
necessary to produce the normal
brake effect. We therefore recom
mend depressing the brake pedal
repeatedly when traveling on salt-
strewn roads at length. This can
bring road salt impaired braking
efficiency back to normal. A prere
quisite is, however, that this is pos
sible without endangering other
drivers on the road.
If the vehicle is parked after being
driven on salt treated roads, the brak
ing efficiency should be tested as
soon as possible after driving is
resumed while observing the safety
rules in the previous paragraph.
18
MERCEDES-BENZ Maintenance
System
A maintenance booklet is included
with your car, listing all the mainte
nance jobs that must be carried out
after the following mileages:
Routine Maintenance
Inspection at
1300-1600 km (800-1000 miles)
Lubrication Service every
12 000 km (7500 miles)
Maintenance Service every
24000 km (15 000 miles)
Additional Work every
48000 km (30000 miles)
For additional details refer to the
Maintenance Booklet.
In the case of low mileage operation,
the Maintenance Service must be
carried out at least once every
2 years.
Engine Oil and Filter Change
Required every 12 000 km
(7500 miles), or at least once a year
(fall) when using year-round multi
grade oil; otherwise at least twice
a year (spring and fall).
For engine oil recommendations, see
page 105.
Severe Operating Conditions
Under severe operating conditions or
heavy use, it may be necessary to
carry out prescribed maintenance
jobs at shorter intervals, for example:
Engine: Oil change with filter change
every 6000 km (3750 miles)
Automatic transmission: Fluid
change without filter change every
24 000 km (15 000 miles)
Tires: Inspect every 12 000 km (7500
miles)
Air filter: Clean or replace element
every 24 000 km (15 000 miles)
Note:
Severe operating conditions or heavy
use include: predominant city or short
distance driving, frequent mountain
driving, poor roads, dusty or muddy
conditions, etc..
Special Maintenance Measures
Brake fluid should be replaced annu
ally, preferably in the spring.
It is recommended to use only brake
fluid approved by MERCEDES-BENZ.
Do not mix different types of brake
fluids.
Have the engine coolant (water/anti
corrosion/antifreeze mixture) replaced
every three years (see “Fuels, Cool
ants, Lubricants, etc.”).
Maintenance Vouchers
Your authorized MERCEDES-BENZ
dealer will certify in the maintenance
booklet that all lubrication and
maintenance services have been
carried out at the correct intervals.
Automatic Climate Control 22
Car Keys 27
Opening the Doors 28
Locking and Unlocking of Doors 28
Central Locking System 29
Anti-Theft Alarm System 30
Adjusting Power Seats, Front 31
Arm Rest (Front Seats) 33
Orthopedic Seat Backrest 33
Heated Seats 34
Arm Rest (Rear Bench Seat) 35
Head Restraints, Rear 35
Adjusting Power Seats, Rear 35
Adjusting Individual Rear Seats 36
Adjusting Telescoping Steering
Column 36
Operation
Supplemental Restraint System
(SRS) - Seat Belts, Emergency
Tensioning Retractors,
Driver Air Bag 37
Steering Lock 44
Exterior Lamp Switch 45
Combination Switch 46
Exterior Rear View Mirrors 47
Inside Rear View Mirror 47
Lighter 48
Sun Visors 48
Rear Window Defroster 49
Interior Lamps 50
Sliding Roof with Rear Pop-Up
Feature 50
Power Windows 51
Shelf below Rear Window 51
Electronic Radio 52
Automatic Climate Control
The engine must be running for the
climate control system to operate.
1 Temperature selector
2 Pushbuttons for function selection
Defrost
R Multi-Level
R Normal setting
IP^ EC (Economy)
|Q Off (air supply off)
3 Fan control buttons
a Maximum fan speed
Automatic fan speed
control
Minimum fan speed
4 Air recirculation switch
5 Volume control for
adjustable air outlets (8)
right and left
6 Volume control for
adjustable air outlets (7)
7, 8 Adjustable air outlets
9 Side air outlets
10 Volume control for side air
outlets (9) right and left
For maximum operating efficiency,
keep all windows and the sliding roof
closed.
Heating, cooling, and air distribution
within the vehicle’s interior will be
automatically controlled. This is
accomplished with the temperature
selector (1), the pushbuttons (2) and
the fan control buttons (3).
The adjustable air outlets (7) and (8)
can be variably opened and closed, or
moved to direct the flow of air as de
sired. The outlets (7) are opened and
closed with slide lever (6), and outlets
(8) with slide levers (5).
Move slide levers (5) and (6) towards
the left to open, towards the right to
close.
The air flow from the outlets (9) may
be increased by rotating the control
(10) up, and reduced by rotating
down.
An air outlet in the rear passenger
compartment console provides a vari
able flow of fresh outside air or cooled
air. The air flow is increased by sliding
the lever to the left and decreased by
sliding the lever to the right.
To ensure efficient operation of the
climate control system, the air outlets
(7), (8) and (9) should not all be closed
at the same time.
22
With the exterior lamps turned on (except standing
lamps), the symbols on all buttons light up. Each button
shines brighter when depressed.
Note:
The air conditioner removes considerable moisture from
the air during operation. It is normal, for water to drip on
the ground through openings in the underbody.
a
Temperature Selection (° C)
The desired interior temperature can be selected by
rotating the temperature selector. The selected
temperature is reached as quickly as possible and
maintained. A basic setting of 22° C (72° F) is recom
mended. To avoid undesirable temperature fluctuations,
a set temperature should only be readjusted in small
increments.
If desired, the temperature selector can be rotated to the
end positions “MIN” and “MAX”. This overrides the auto
matic mode.
“MIN” (detent) = peak cooling.
The system operates with recirculated air at outside tem
peratures above 20° C (68° F).
“MAX” (detent) = maximum heating.
If button S is depressed with the temperature selector
in the “MIN” or “MAX” end positions, the fan will run at
near maximum speed.
I
Air Recirculation
Pressing the symbol-side of the air recirculation
switch causes air to be recirculated without addi
tional fresh air and the red indicator lamp to light
up. After a while the air recirculation mode will switch off
automatically, including the indicator lamp.
By pressing the symbol-side of the air recirculation
switch when cooling:
The system will automatically switch from recirculated air
back to fresh air after approx. 30 minutes at outside
temperatures above approx. 7° C (45° F).
By pressing the symbol-side of the air recirculation
switch when heating:
The system will automatically switch from recirculated air
back to fresh air after approx. 5 minutes at outside tem
peratures below approx. 7° C (45° F).
This mode can be selected to prevent annoying odors or
dust from entering the car’s interior.
If the windows should fog up from the inside, switch from
recirculated air back to fresh air by pressing the lower
half of the air recirculation switch (the indicator lamp in
the switch goes out).
At high outside temperatures, the system automatically
engages the recirculated air mode and thereby increases
the cooling capacity performance.
Note:
It is not possible to switch to recirculated air if
button 0 or Q is depressed.
Normal setting - Cooling
Economy setting - Ventilation
Normal setting - Heating
Economy setting - Heating
Function Setting
£ 3 Normal setting
The system automatically cools or heats depending on
the outside temperature and the selected interior temper
ature. The air conditioning compressor engages when
outside temperatures are above 5° C (41° F).
• In the cooling mode, air is directed only to the adjust
able air outlets (7), (8) and (9).
• In the heating mode, warm air is primarily directed to
the footwells and to the adjustable air outlets (8) and
(9). Enough air is supplied to the windshield to keep
the glass defogged in normal weather conditions. In
the heating mode, air will also be periodically emitted
from the adjustable air outlets (7).
At low outside temperatures, fan operation does not
start until the engine coolant has warmed up.
O EC (ECONOMY) = Economical setting
The function of this setting corresponds to the ’’Normal"
setting, however, it is not possible to air condition in this
setting because the air conditioning compressor will not
engage (fuel savings).
*
___
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7 _ ^ 7
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0B 0 0 0
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1483
^ Multi-Level ventilation - Heating
^ Multi-Level
This setting is used if the inside of the windshield fogs
up. As soon as the windshield is defogged, reset
to g or @ .
In the heating mode, warm air is supplied to the wind
shield, foot area, air outlets (8) and (9), and to the ducts
in the front doors. Additionally, air may be emitted
periodically from outlets (7), depending on the interior
temperature.
In the cooling mode, cool air is supplied to the wind
shield, foot area, front door ducts, and air outlets (7), (8)
and (9).
Note:
In warm, humid climates, prolonged use of this setting
may create condensation on the outside of the wind
shield, directly above the defroster ducts.
Defrost
26
^ Defrost
The maximum amount of heated air is directed to the
windshield and adjustable air outlets (9) independent of
the positions of the temperature selector and fan control
buttons.
Q off
The fresh air supply to the car interior is shut off. While
driving, use this setting only temporarily.
Car Keys
Included with your vehicle are two
master keys, one valet key and one
flat (master) key.
Master Key - square head with a red
dot - fits all locks on the car. Arms/
disarms the anti-theft alarm system.
Valet Key - round head with a red
dot - fits only the door locks and the
steering lock. Arms/disarms the anti
theft alarm system. The valet key will
not fit the trunk or glove compartment
locks. This key should be used when
ever the car is left with an attendant.
Be sure to lock glove compartment
and trunk with the master key.
Flat Key
The flat key with a red dot
fits all vehicle locks.
Arms/disarms the anti
theft alarm system. We
recommend that you carry
the flat key with you and
keep it in a safe place so
that it is always handy.
Never leave the flat key in
the vehicle.
Obtaining Replacement Keys
Your vehicle is equipped with a theft
deterrent locking system requiring a
special key manufacturing process.
For security reasons, replacement
keys can only be obtained via your
authorized MERCEDES-BENZ dealer.
Warning!
When leaving the vehicle always re
move the key from the steering
lock. Do not leave children un
attended in the vehicle. Unsuper
vised use of vehicle equipment may
cause serious personal injury.
When the rear door lock buttons are
down, the rear doors cannot be
opened from the outside or the inside,
unless the door lock buttons are first
pulled up.
The driver’s door can be locked only
if it is closed and the door lock has
properly engaged.
Opening the Doors
From outside: pull handle (1)
outwards.
From inside: pull handle (4) in door
trim panel.
Locking and Unlocking of Doors
From the outside: turn key.
From the inside: actuate door lock
button.
2 Unlocking
3 Locking
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