Mercedes R129 1992 User Manual

Mercedes-Benz
SL Operator's Manual
300 SL 500 SL
1
Product information
Kindly observe the following in your own best interest: We recommend using Mercedes-Benz original parts as well as conversion parts and accessories explicitly approved by us for your vehicle model. We have tested these parts to determine their reliability, safety and their special suitability for Mercedes­Benz vehicles. We are unable to make an assessment for other products and therefore cannot be held responsible for them, even if in individual cases an official approval or authorization by governmental or other agencies should exist. Use of such parts and accessories could adversely affect the safety, performance or reliability of your vehicle. Please do not use them. Mercedes-Benz original parts as well as conversion parts and accessories approved by us are available at your authorized Mercedes-Benz Center where you will receive comprehensive information, also on permissible technical modifications, and where proper installation will be performed.
Our 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. 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, and for your safety and that of your passengers, we ask you to make a small investment of your time:
• Please read this manual carefully before putting it aside. Then return it to your vehicle where it will be handy for your reference.
• Please abide by the recommendations contained in this manual. They are designed to acquaint you with the operation of your Mercedes-Benz.
• Please abide by 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.
DaimlerChrysler AG
2

Operator's manual

This Operator'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 contained in this manual. Ignoring them could result in damage to the vehicle or personal injury to you or others. Vehicle damage caused by failure to follow instructions is not covered by the Mercedes-Benz Limited Warranty. Your vehicle may have some or all of the equipment described in this manual. Therefore, you may find explanations for optional equipment not installed in your vehicle. If you have any questions about the operation of any equipment, your authorized Mercedes­Benz Center will be glad to demonstrate the proper procedures. Service and warranty information
The Service and Warranty Information Booklet contains detailed information about the warranties covering your Mercedes-Benz, including:
• New Car Limited Warranty,
• Emission System Warranty,
• Emission Performance Warranty,
• California, Massachusetts, and Vermont Emission Control System Warranty (California, Massachusetts, and Vermont only),
• State Warranty Enforcement Laws (Lemon Laws).
3
Important notice for California retail buyers of Mercedes-Benz automobiles
Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price, if Mercedes-Benz USA,LLC or its authorized Mercedes-Benz Center fails to conform the vehicle to its express warranties after a reasonable number of repair attempts during the period of one year or 12 000 miles from original delivery of the vehicle. A reasonable number of repair attempts is presumed for a retail buyer (1) if the vehicle is out of service by reason of repair of substantial nonconformities for a cumulative total of more than 30 calendar days or (2) the same substantial non-conformity has been subject to repair four or more times and you have at least once
directly notified us in writing of the need to repair the non-conformity and have given us an opportunity to perform the repair ourselves. Notifications should be sent to the nearest Mercedes-Benz Regional Office listed in the Service and Warranty Information Booklet.
Maintenance
The Service Booklet describes all the necessary maintenance work which should be performed at regular intervals. Always have the Service Booklet with you when you take the vehicle to your authorized Mercedes-Benz Center for service. The service advisor will record each service in the booklet for you.
Roadside assistance
The Mercedes-Benz Roadside Assistance Program provides factory trained technical help in the event of a breakdown. Calls to the toll-free Roadside Assistance number:
1-800-FOR-MERCedes (in theUSA) 1-800-387-0100 (in Canada)
will be answered by Mercedes-Benz Client Assistance Representatives 24 hours a day, 365 days a year. For additional information refer to the Mercedes-Benz Roadside Assistance Program brochure in your glove box.
4
Change of address or ownership
If you change your address, be sure to send in the "Change of Address Notice" found in the Service and Warranty Information Booklet, or simply call the Mercedes-Benz Client Assistance Center (in the USA) at 1-800-FOR-MERCedes, or Customer Service (in Canada) at 1-800-387-0100. It is in your own interest that we can contact you should the need arise. If you sell your Mercedes, please leave all literature with the vehicle to make it available to the next operator. If you bought this vehicle used, be sure to send in the "Notice of Purchase of Used Car" found in the Service and Warranty Information Booklet, or call the Mercedes-Benz Client Assistance Center (in the USA) at 1-800-FOR-MERCedes, or Customer Service (in Canada) at 1-800-387-0100.
Operating your vehicle outside the USA or Canada
If you plan to operate your vehicle in foreign countries, please be aware that:
• Service facilities or replacement parts may not be readily available,
• unleaded gasoline for vehicles with catalytic converters may not be available; the use of leaded fuels will damage the catalysts,
• gasoline may have a considerably lower octane rating, and improper fuel can cause engine damage.
Certain Mercedes-Benz models are available for delivery in Europe under our European Delivery Program. For details, consult your authorized Mercedes-Benz Center or write to:
In the USA: In Canada: Mercedes-Benz USA, Mercedes-Benz Canada, Inc. LLCEuropean Delivery Department European Delivery Department One Mercedes Drive 849 Eglinton Avenue East Montvale, NI 07645-0350 Toronto, Ontario M4G 2L5
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We continuously strive to improve our product, and ask for your understanding that we reserve the right to make changes in design and equipment. Therefore, information, illustrations and descriptions in this Operator's Manual might differ from your vehicle.
Optional equipment is also described in this manual, including 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 Operator's Manual, your authorized Mercedes­Benz Center will be glad to inform you of correct care and operating procedures.
The Operator's Manual and Service Booklet are important documents and should be kept with the vehicle.
6
Check Regularly and Before a Long Trip
See page 152
The First 1000 Miles (1500 km)
The more cautiously you treat your vehicle during the break-in period, the more satisfied you will be with its performance 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 2/3 of maximum permissible speed in each gear as indicated on the speedometer).
Downshift at proper engine speed!
On vehicles with automatic transmission avoid accelerating by kickdown. It is not recommended to brake the vehicle by manually shifting to a lower gear. We recommend to select positions "4" (for model 300 SL), "3" or "2" only at moderate speeds (for hill driving).
After 1500 km (1000 miles) speeds may be gradually increased to the permissible maximum.
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Introduction
Product information Operator's manual Consumer Information Problems with your vehicle
Anti-Theft Alarm System
Orthopedic Seat Backrest
2 Heated Seats 38 Antenna 73 4 Arm Rest 39 Cellular Telephone 73 143 Adjusting steering column 39 144 Seat belts and Supplemental restraint
33 37 Wind Screen 71
system (SRS) 40
Reporting Safety Defects Index
Instruments and controls
Instruments and controls
145 Seat belts 40 148 Emergency tensioning retractor (ETR) 44 Drinking and Driving 76
Airbags
Steering Lock
Combination Switch
45 50 Driving off 76 52
10 Exterior Lamp Switch 54
Instrument Cluster 12 Exterior rear view mirrors 55 Indicator Lamp Symbols
Catalytic Converter Starting and Turning Off the Engine Driving Instructions
13 Inside rear view mirror 56
14 Sun Visors 57 15 Setting Clock 57 16 Storage Compartment (Eyeglasses
Compartment) in the Dashboard 58
Operation
Automatic Climate Control Car Keys Infrared Remote Control Central locking system Interior Central Locking System Locking and unlocking Power seats
Door Pockets
Rear Storage Compartments
22 Lighter 59 26 Interior Lighting 60
Rear Window Defroster
27 29
Roll Bar
32
Power Windows
32
Hard top
34
Soft top
59 59
61 62 62 64 68
Driving
Parking Brake
Manual Transmission
Automatic Transmission
Cruise Control Charge Indicator Lamp Oil Pressure Gauge with Oil Pressure Warning Lamp Low Engine Oil Level Warning Lamp
Engine Oil Consumption
Fuel Consumption Gauge Fuel Reserve Warning Lamp Outside Temperature Indicator Coolant Temperature Gauge Low Engine Coolant Level
Warning Lamp
76
77 78 83 85
85 86 86
87 87 87 87
88
Low windshield and headlamp washer system fluid level warning lamp 88
8
Roll Bar Warning Lamp
300 SL
lly
Seat Belt and Backrest Lock Warning Lamp
Exterior Lamp Failure Indicator Lamp Brake Pad Wear Indicator Lamp 90 Vehicle Tools 103 Identification Plates 130 Brake Warning Lamp 90 Wheels 103 Theft Prevention 131
ABS (Antilock Brake System)
Warning Lamp Acceleration Slip Control (ASR) 92 Tire Pressure 108 Warranty Coverage 132 Driving with Snow Chains 92 Battery 109 Technical Data Automatic Locking Differential (ASD)
Adaptive Damping System (ADS) Emission Control 95 Adjusting Headlamps 111 Fuels, Coolants, Lubricants etc. 137
On-Board Diagnostic System (California models only) 95
Traveling Abroad Winter Driving Snow Chains
Practical Hints
Hood 98 Ashtray 125 Check regularly and before long trip Checking Coolant Level 99 Manual Release of Fuel Filler Flap 125 At the Gas Station Adding Coolant 99 Ski Rack 125 Checking Automatic Transmission Fluid Level 101 Trunk Lamp 102 Layout of Poly-V-Belt Drive 127
88 Spare Wheel 102
First Aid Kit
89 89 Vehicle Jack 103
91 Changing Wheels 104 Vehicle Data Card 132
92 Spark Plugs 110 94 Fuses 110 500 SL 135
Replacing Bulbs
96 Jump Starting 113 Engine Oils 140 96 Towing the Vehicle 115 Brake Fluid 140 96 Cleaning and Care of the Vehicle 116 Premium Unleaded Gasoline 140
Testing Infrared Remote Control 120 Fuel Requirements 141
Locking Soft Top Manually 121 Gasoline Additives 141
Locking Hard Top Manua
Replacing Wiper Blades 126
MERCEDES-BENZ
Spare Parts Service
Technical Data. Fuels, Coolants,
102
Lubricants etc. Consumer Information
133
111 Capacities 137
124 Coolants 140
152 153
127
9

Instruments and Controls

For more detailed descriptions see specified pages
1 Adjustable air outlet 16 Air volume control for center air outlet
2 Exterior lamp switch 17 Air volume control for right air outlet
3 Parking brake release 18 Automatic climate control
4 Hood lock release 19 Radio
5 Parking brake pedal 20 Rear window defroster switch
6 Combination switch 21 Hazard warning flasher switch
7 Cruise control 22 Adaptive damping system adjustment switch
8 Horn, airbag 23 Snow chain switch
9 Instrument cluster 24 Roll bar operation switch
10 Steering lock with ignition/starter switch 25 Compartment (to open press bottom of cover)
11 Adjustable air outlet 26 Mirror adjustment switch
12 Heated air supply button - center air outlet 27 Soft/hardtop operation switch
13 Non heated/cooled air supply button - center air outlet 28 Power window switch
14 Storage/eyeglasses compartment 29 Seat heater switch
15 Air volume control for left air outlet 30 Ashtray with lighter
10
11
Instrument Cluster
1 Fuel gauge with reserve warning lamp (yellow). See Index. 9 Trip odometer
2 Coolant temperature gauge. See Index. 10 Main odometer
3 Fuel consumption gauge. See Index. 11 Outside temperature indicator. See Index..
4 Oil pressure gauge (bar) with warning lamp (red). See Index.
5 Left turn signal indicator lamp (green) 13 Knob for setting clock (to adjust pull knob out
6 Knob for instrument lamps and trip odometer.
Rotate knob: To vary intensity of instrument lamps. Depress knob: To reset trip odometer.
7 Speedometer 15 Red marking on tachometer: Excessive engine speed.
8 ASR function indicator lamp (yellow). See Index.
ASD function indicator lamp (yellow). See Index.
12 Right turn signal indicator lamp (green)
and rotate). See Index.
14 Tachometer
16 Electric clock
12
Indicator Lamp Symbols Function Indicator Lamp
High beam
Warning Lamp
(should go out with the engine running unless)
Battery not being charged properly. See Index. Brake pads worn down. See Index.
Fluid level for windshield and headlamp washer system low. See Index.
Coolant level low. See Index. Brake fluid low (Canada only). Parking brake
Engine oil level low. See Index. SRS malfunction. See Index.
Exterior lamp failure. See Index. Fasten seat belts. Backrest not locked.
Roll bar malfunction. See Index.
ADS malfunction. See Index.
ASR malfunction. See Index.
ADS malfunction. See Index.
ABS malfunction. See Index.
Brake fluid low (except Canada). Parking brake engaged. See Index.
engaged. See Index.
See Index.
Engine malfunction. (California only). If the lamp comes on when the engine is running, it indicates a malfunction of the fuel injection system or emission control system. In either case, we recommend that you have the malfunction checked as soon as possible. See Index.
13
Catalytic Converter
Caution!
Warning!
Your MERCEDES-BENZ is equipped with monolithic type catalytic converters, an important element in conjunction with the O2sensor to achieve substantial control of the pollutants in the exhaust emissions. Keep your vehicle in proper operating condition by following our re­commended maintenance instructions as outlined in your Maintenance Booklet.
To prevent damage to the catalytic converters, use only premium unleaded gasoline in this vehicle.
Any noticeable irregularities in engine operation should be repaired promptly. Otherwise, excessive unburned fuel may reach the catalytic converter causing it to overheat.
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
Before Starting
Engage parking brake and move gearshift lever to neutral (selector lever position "P" on automatic transmissions).
Turn key in steering lock to 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.
Hot Engine
Turn key in steering lock clockwise to the stop. Do not depress accelerator. If the engine has not fired after approx. 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 process.
Turning Off
Turn the key in the steering lock to position 0 only when the vehicle has stopped moving.
Note: Vehicles with automatic transmission: the key can only be removed with the selector lever in position "P".
If the coolant temperature is very high (e.g. after hard driving on mountain roads), do not shut off the engine immediately, but allow
it to run for 1 - 2 minutes at increased idle speed with selector lever in neutral or position "P".
Important
Due to the installed starter non-repeat feature, the key must be turned completely to the left before attempting to start the engine again.
Observe the oil pressure gauge immediately after starting the engine. In a very cold engine the oil pressure will rise slowly 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 frequently drop below -25°C (-13°F) we recommend that an engine block heater be installed. Your authorized MERCEDES-BENZ dealer will advise you on this subject.
15
Driving Instructions
Warning!
Warning!
Power Assistance
When the engine is not running, the brake and steering systems are without 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 load on the brakes by shifting into a lower gear (selector lever position "4" [for model 300 SL], "3", "2" or "B" [for model 500 SL] in the case of automatic transmission). This helps prevent overheating of the brakes and reduces brake pad wear. Do not exceed engine speed limits (see pages 78 or 80).
After hard braking, it is advisable to drive on for some time, rather than immediately parking, so the air stream will cool down the brakes faster.
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 the required 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 parking brake lightly until a slight drag on the wheels is felt. Keep applying the brake for about 10 seconds while pulling the re­lease handle out before releasing the parking brake completely. This practice will keep the parking brake at maximum efficiency.
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.
Resting your foot on the brake pedal will cause excessive and premature wear of the brake pads.
It can also result in the brakes overheating thereby significantly reducing their effectiveness. It may not be possible to stop the car in sufficient time to avoid an accident.
All checks and maintenance work on the brake system should be carried out by an authorized MERCEDES-BENZ dealer.
16
If the parking brake is released and the brake warning lamp in the instrument 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 immediately.
Install only brake pads and brake fluid recommended by MERCEDES-BENZ.
Warning!
Tires
Warning!
Do not allow your tires to wear down too far. With less than 3 mm (1/8 in) of tread, the adhesion properties on a wet road are sharply reduced. Depending upon the weather and/or road surface (conditions), the tire 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).
Warning!
If other than recommended brake pads are installed, the braking properties of the vehicle can be affected to an extent that the safety is substantially impaired.
Tread wear indicators (TWI) are required by law. These indicators are located in six places on the tread circumference and become visible at a depth of approx. 2 mm (1/16 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.
Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the car. Continued driving with a flat tire or driving at high speed with a flat tire will cause excessive heat build-up and possibly a fire, or tire blowout.
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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 arid apply brakes cautiously in the rain.
Tire Traction
The safe speed on a wet, snow covered 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 reduced. Under such weather conditions, 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. Parking
Warning!
To reduce the risk of personal injury as a result of vehicle movement, before turning off the engine and leaving the vehicle always:
1. Keep foot on brake pedal.
2. Firmly depress parking brake pedal.
3. Engage first or reverse gear (selector lever position "P" in the case of automatic transmissions).
4. Slowly release brake pedal.
5. Turn front wheels towards the road curb.
6. Turn the key to steering lock position 0 and remove.
Important!
It is advisable to set the parking brake whenever parking or leaving the vehicle. In addition, engage first or reverse gear (selector lever position "P"). When parking on hills, always set the parking brake.
Clutch
Caution!
Resting your foot on the clutch pedal will cause excessive and premature wear of the clutch
components.
18
Winter D riving 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 skidding, declutch, or in case of automatic transmission move selector lever to position "N". Try to keep the vehicle under control by corrective steering action.
Road salts and chemicals can adversely affect braking efficiency. Increased pedal force may become necessary to
produce the normal brake effect. We therefore recommend 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 prerequisite is, however, that this is possible without endangering other drivers on the road.
If the vehicle is parked after being driven on salt treated roads, the braking efficiency should be tested as soon as possible after driving is resumed while observing the safety rules in the previous paragraph.
Warning!
If the vehicle becomes stuck in snow, make sure that snow is kept clear of the exhaust pipe and from around the vehicle with engine running. Otherwise, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.
To assure sufficient fresh air ventilation, open a window slightly on the side of the car that is out of the wind.
19
20
Operation
21
7 Air volume control for center
air outlet, turn left to open 8 Center air outlet, adjustable 9 Heated air supply button
(center air outlet)
10 Non-heated/cooled air supply
button (center air outlet)
11 Air volume control for left air
outlet, turn left to open
12 Left air outlet, adjustable 13 Air volume control for right air
outlet, turn left to open
14 Rightair outlet, adjustable
1 Temperature selector
2 Temperature indicator 3 Conversion switch 4 Function selection buttons
Normal setting
Defrost
Economy Residual engine heat
utilization Air recirculation
Off
5 Fan speed buttons, 4 stages 6 Air distribution buttons
Air is directed to windshield Air is directed to windshield, foot area and doors Air is directed to foot area and doors Air is directed only to air outlets 8, 12 and 14 (open outlets)
22
Notes: The temperature selected with the temperature selector is reached as quickly as possible.
The temperature selector should be left at the desired temperature setting. With the center air outlet (8) open and the system in heating mode, switch outlet to warm air by pressing button 9 (red indicator lamp lights up), or to non-heated/cooled air by pressing button 10 (blue indicator lamp lights up).
The system will not heat or cool any quicker by setting a higher or lower temperature.
The automatic climate control only operates with the engine running.
Higher engine rpm results in higher coolant compressor rpm, thereby increasing cooling capacity.
The automatic climate control removes considerable moisture from the air during operation in the cooling mode. It is normal for water to drip on the ground through ducts in the underbody. Outside air is drawn in through a filter. Dust particles (up to a certain size) and pollen are filtered out.
Important!
Inappropriate repair work may cause refrigerant (CFC) to escape into the atmosphere and contribute to the depletion of the earth's ozone layer.
Selected vehicles may be equipped with an air conditioner system that uses HFC-134a (ozone-friendly hydrofluorocarbon) as a refrigerant. Repairs should always be performed by a qualified technician, and refrigerant should be collected in a recovery system for recycling.
1 Temperature Selector
Select the desired temperature with the temperature selector.
A basic setting in the white field of the selector is recommended.
The selected temperature is shown in the indicator window 2. With conversion switch 3, the selected temperature can be displayed in either °C or °F.
23
4 Function Selection Buttons
Defrost
Economy
Normal Setting
Air volume and distribution are controlled automatically.
To select:
Press button (indicator lamp lights up)
To change selection:
• Press , or button (indicator lamp of selected button lights up). The indicator lamp for button goes out.
• Press either button 6 (indicator lamp of selected button lights up). The indicator lamp for button goes out.
Maximum heated and automatically controlled amount of air is directed to the windshield and side windows.
As the engine coolant temperature increases, a higher blower stage is automatically engaged, thereby defrosting as quickly as possible.
Direct air outlets 12 and 14 towards the side windows. The outlets open automatically.
The center air outlets and the foot area ducts are closed.
To select: Press butt on (indicator lamp lights up).
The function of this setting cor­responds to the normal setting. However, because the air conditioning compressor will not engage (fuel savings), it is not possible to air condition in this setting.
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Residual Engine Heat Utilization
With the engine switched off, it is possible to continue heating the interior for a short while.
Air volume and distribution are controlled automatically.
To select: Turn key in steering lock to position 1 or 0 or remove key. Press button (indicator lamp lights up). This function selection will not activate if the engine coolant temperature is below 40°C (105°F) or if the battery charge is insufficient.
To cancel:
Press button (indicator lamp goes out).
Turn key in steering lock to position 2.
The system will automatically shut off:
after approx. 30 minutes,
if the engine coolant temperature drops below 40°C (105°F).
• if the battery voltage drops.
Air Recirculation
Outside air is not supplied to the car's interior. This mode can be selected to prevent annoying odors or dust from entering the car's interior.
To select: Press button (indicator lamp lights up).
To cancel: Press button (indicator lamp goes out).
The system will automatically switch from recirculated air to fresh air if button is pressed:
• after approx. 5 minutes at outside temperatures below approx. 5°C (40°F),
• after approx. 30 minutes, at outside temperatures above approx. 5°C (40°F).
If button is pressed:
• after approx. 5 minutes.
Notes: If the windows should fog up from the inside, switch from recirculated air back to fresh air.
At high outside temperatures, the system automatically engages the recirculated air mode thereby increasing the cooling capacity performance.
Off
The fresh air supply to the car interior is shut off. While driving, use this setting only temporarily, otherwise the windows could fog up.
Note: Turning the key in steering lock to position 2, the Automatic Climate Control will return to model that was selected prior to switching off manually ( indicator lamp lit up).
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Car Keys
Included with your vehicle are
• 2 Master keys with infrared remote control
• 1 Master key
• 1 Valet key
• 1 Flat key
Master Key with Infrared Remote Control
Master Key
The master key fits all locks on the car.
Valet Key
We recommend that you carry the flat key with you and keep it. in a safe place (e.g. your wallet) so that it is always handy. Never leave the flat key in the vehicle.
Warning!
When leaving the vehicle always remove the key from the steering lock. Do not leave children unattended in the vehicle. Unsupervised use of vehicle equipment may cause serious personal injury.
The master key fits all locks on the car. The transmitter for the infrared remote control is located in the key holder, the receivers are located next to the door locks and below the trunk lock.
The valet key fits only the door locks and the steering lock. The valet key will not fit the trunk lock or storage compartment eyeglasses compartment lock in the dashboard.
Flat Key
The flat key fits all locks on the car.
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.
26
1 Transmit button 2 Transmitter eye and battery check
Infrared Remote Control
The vehicle can be centrally locked and unlocked with infrared remote control.
The transmitter is located in the key holder, the receivers are located next to the door locks and below the trunk lock.
3 Receiver in door handle
Unlocking:
Aim transmitter eye (2) at a receiver (3) and press transmit button (1). Distance to receiver max. 6 m (20 ft).
The green indicator lamps on the receivers should blink. They stop blinking when the vehicle is unlocked.
3 Receiver under trunk lock
Note: If the trunk was previously locked separately, it will remain locked (see index).
27
Locking:
Aim transmitter eye (2) at a receiver (3) and press transmit button (1). Distance to receiver max. 6 m (20 ft).
The red indicator lamps on the receivers should blink. They stop blinking when the vehicle is locked.
Note: If a door or the trunk is not properly closed, the red indicator lamps will continue to blink (max. 10 seconds).
Open the door or trunk lid, close it properly, and lock the car again.
4 Release button for master key
Master Key in Key Holder
Releasing: press release button (4). The
key unfolds from the holder by itself. Storing: press release button (4) and fold key back into holder.
Closing Windows from Outside
Continue to press transmit button (1) after locking car. The windows begin to close after approx. 1 second.
Warning!
Never close the windows if there is danger of anyone being harmed by the raising window. In case of obstruction, the closing procedure can be immediately interrupted by releasing the transmit button. However, the windows can only be lowered using the power window buttons inside the car.
Note: If the vehicle cannot be locked or unlocked by pressing the transmit button (1), then it may be necessary to change the batteries in the transmitter (If ok, battery indicator lamp in transmitter will light when transmitting) or to synchronize the system, see Testing Infrared Remote Control in Index
28
Central Locking System
The entire vehicle may be locked or unlocked by using the master key in either door or in the trunk lock. The central locking system also locks or unlocks the fuel filler flap.
Locking and Unlocking of Doors
1 Opening - pull handle 2 Unlocking 3 Locking 4 Opening - pull handle 5 Locking 6 Unlocking
Locking - from outside
• With driver's door closed - turn key to the right (3).
• With passenger's door closed – turn key to the left.
Locking - from inside
• With the door closed – push the lock lever down (5).
Unlocking - from outside
At the driver's door - turn key to the left (2).
At the passenger's door - turn key to the right.
Unlocking - from inside
• Push the lock lever up (6). The doors and the trunk are unlocked if previously locked from inside. If previously locked from outside, only that door will be unlocked (theft deterrence).
29
Note: The central locking system can only be engaged at the passenger door if the key is removed from the steering lock or is inserted in the steering lock without having been turned. If a door is not properly closed, unlock the car, open and reclose the door, and lock the car again.
Locking and Unlocking at Trunk Lock
1 Neutral position 2 Unlocking 3 Locking (detent) 4 Separate locking of trunk
Locking
Turn master key to position 3, turn back to position 1 and remove.
Unlocking
Turn master key to position 2, turn back to position 1 and remove.
Separate Locking and Unlocking
of Trunk
If the trunk is to remain locked (e.g. when leaving the car at a parking garage or workshop), lock the trunk separately. Turn master key to position 4 and remove in this position. Leave only the valet key with the vehicle.
The trunk (and fuel filler flap) remain locked - even if the central locking system is engaged at a door from outside or inside the car (theft deterrence). To unlock turn master key to position 2, then back to position 1 and remove.
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