Mercedes-Benz 300 SD 1978 Owner'S Manual Download Page 25 | Manualshive

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Automatic Clim ate Control

►

Fresh air enters the vehicle through an

opening  in  fro n t of the w indshield
(keep  free of snow)  and  is em itted
through  ventilation  ports  below  the

rear w indow if the w indow s are

closed. Do not cover up the ventilation

ports with clothes.

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Summary of Contents for 300 SD 1978

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Page 4: ...EDES maybe this is your first car from the DAIMLER BENZ company In both cases for your own benefit please read this owner s manual before putting it away Even though you have been driving a car for ye...

Page 5: ...Speed A d ju s te r 17 Light S w itc h 18 Combination S w itc h 19 Cruise C o n tro l 20 Automatic Climate Control 21 Various E qu ip m en t 25 Interior Lights 25 Rear View M irro rs 25 Sun Visor 25 E...

Page 6: ...57 Checking Fuels Coolants Lubricants etc 57 Engine Oil Lvel Check 57 Checking Coolant Level 58 Replenishing C oolant 58 Fluid Level Automatic T ra nsm ission 59 Electrical S yste m 60 Replacing Bulbs...

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Page 8: ...Vehicle Operation...

Page 9: ...with preglow starter switch 14 Adjustable louvers for cooled air page 21 15 Switch for rear passenger compartment light 16 Switch for automatic antenna page 30 17 Switch for heated rear window page 2...

Page 10: ...Instruments and Controls 9...

Page 11: ...right green 10 Preglowing indicator light amber 11 Seat belt warning light red 12 Brake pad wear indicator light red Light comes on while braking and driving if the front wheel brake pads are worn do...

Page 12: ...Instrument Cluster FASTEN BELTS 9 0 3 9 11...

Page 13: ...From outside pull handle out wards 1 From inside pull handle in door trim panel Locking and Unlocking of Doors From the outside turn key From the inside actuate plunger 2 Unlocking 3 Locking When the...

Page 14: ...system A provision has been made to facilitate permanent locking of the trunk lid for positive prevention of access to trunk by unauthorized persons Before leaving vehicle with an attendant lock trun...

Page 15: ...height so that when the cushion is tipped completely forward it should form a cradle behind the seat occupant s head Both the inside and outside rear view mirrors should then be adjusted for adequate...

Page 16: ...after turning the steering lock key to position 2 If the safety belt of the driver s seat is not fastened a warning buzzer sounds simultaneously Fastening of front and rear outer seat belts with iner...

Page 17: ...e into buckle and allow to engage audibly Adjustment of rear center seat belt To lengthen turn belt buckle on LH side of belt to be at right angles to the belt and pull the tongue To shorten pull loos...

Page 18: ...stop The starter nonrepeat unit requires the key to be returned to position 0 prior to a new starting at tempt For starting and turning off the engine refer to page 36 Notes The following items can b...

Page 19: ...as pos 1 plus headlights 3 Standing lights right 4 Standing lights left A Turn to position 2 and pull out to first detent same as position 2 plus fog lights B Available for an option Note With the ste...

Page 20: ...speed Tooperate the turn signals move the combination switch past the point of resistance up or down The switch is automatically cancelled when the steering wheel is turned by a large enough angle To...

Page 21: ...remains constant 3 Cancelling To cancel the cruise control briefly push lever to position 3 The cruise control will also be cancelled if the brake pedal is actuated or if the vehicle speed drops on s...

Page 22: ...tton 5 BI LEVEL button Automatic Climate Control 6 DEF button 7 Refrigerant compressor switch 8 Adjustable louvers for cooled air 9 Adjustable louvers for side ventilation 10 Lever for side ventilatio...

Page 23: ...or when passing through an automatic car wash 3 AUTO LO button Normal vehicle operation This setting will provide heating or cooling of the vehicle s interior depending on the selector wheel setting a...

Page 24: ...rature is channelled to the windshield For the side windows open outlets 9 7 Refrigerant compressor switch Switching the air conditioning compressor on and off The compressor can be switched off compl...

Page 25: ...air enters the vehicle through an opening in front of the windshield keep free of snow and is emitted through ventilation ports below the rear window if the windows are closed Do not cover up the ven...

Page 26: ...n each light Rear View Mirrors Outside rear view mirror Outside rear view m irror 2 can be randomly adjusted from inside by means of lever 1 If the m irror housing has been forcibly removed from its s...

Page 27: ...ated using the switches in the center console The rear door windows can also be operated using the switches in each rear door panel as long as the safety switch S in the center console is depressed If...

Page 28: ...ock to posi tion 2 When the rear window heater is turned on the white indicator light in the switch 1 comes on A heavy load is imposed on the battery due to the high power requirement For this reason...

Page 29: ...election only on radios with built in cassette player 4 Manual tuning control 5 Search sensitivity switch 6 Automatic turning bar Mexico models only 7 Cassette release 8 Fast forward 9 Fast rewind 10...

Page 30: ...station buttons 3 carefully tune in the desired station push button slowly and firm ly all the way in then release Automatic station tuning on signal seeking radios only is accomplished by momentaril...

Page 31: ...spots may cause cancellations or loss of the signal as well as strong signal overloading or capture Lowering the antenna height in strong signal areas may eliminate many of the resulting problems and...

Page 32: ...her side re move the cassette from the radio turn it upside down and reinsert through the slot To manually eject the cassette push the release bar 7 When the cassette is ejected the unit will automati...

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Page 34: ...Driving 33...

Page 35: ...d lift hood Windshield wiper arms must not be folded forward Closing Firmly depress hood Depress parking brake pedal 1 When the steering lock key is in position 2 the brake warning light in the instru...

Page 36: ...id Level Engine Automatic Transmission See Checking Fuels Coolants Lubricants etc Fuels Coolants Lubricants etc and last page 4 Coolant Level See Checking Fuels Coolants Lubricants etc Fuels Coolants...

Page 37: ...as soon as the preglowing indicator light has gone out Since the glow plugs continue glowing for up to 1 5 minutes the engine can be restarted during this period without preglowing again When the eng...

Page 38: ...o stop Starting Procedure with hot Engine Turn key in the steering lock clock wise to the stop Do not actuate acce lerator and idle speed adjuster knob turned clockwise to the stop Re lease key after...

Page 39: ...sition Hint If repairs are carried out on the vehicle with the engine running depress the parking brake pedal and shift selector lever to position P Starting Shift selector lever to the desired drivin...

Page 40: ...der all normal operating conditions S Slope Upshifting to 3rd gear only Suitable for moderate ascents and descents As the transm is sion shifts up to 3rd gear only this position permits the utili zati...

Page 41: ...lever to posi tion N When stopping the car on a slope do not hold it by means of the accelerator but use the brake This avoids unnecessary heat up of the transmission Always drive according to the rul...

Page 42: ...ss consider ably greater than when the road is wet or dry On extended and steep declines relieve brakes by shifting the selector lever to position S or L After hard braking it is advisable not to swit...

Page 43: ...isture content can lead to the formation of vapor in the system thus reducing the system s efficiency The brake fluid must therefore be replaced annually preferably in the spring It is recommended to...

Page 44: ...on avoid frequent slowdowns avoid high speeds Driving in low tem perature weather in stop and go city traffic and on short hops and in hilly country as well increases fuel consumption Engine Oil Consu...

Page 45: ...is to drive sensibly and to avoid abrupt acceleration braking and steering action When the vehicle is in danger of skidding move selector lever to posi tion N Try to keep the vehicle under control by...

Page 46: ...Vehicle Care 45...

Page 47: ...ommended brake fluids The vehicle must receive the prescribed maintenance and or lubrication work at the specified intervals as listed in the maintenance booklet Verification of performance of such ma...

Page 48: ...ic transmission fluid changed every 12 500 miles 20 000 km without filter change All MERCEDES BENZ service stations store the MERCEDES BENZ original spare parts required for maintenance and repair wor...

Page 49: ...used by thrown up gravel or other defects Any damage should be repaired as soon as possible particularly before the onset of the winter Your vehicle has received a rust proofing treatment in productio...

Page 50: ...wheels Tar Stains Quickly remove tar stains before they dry and become more difficult to remove Window Cleaning Use a window cleaning solution on very dirty or oil stained windows Clean windshield wip...

Page 51: ...example by using a hair dryer If in doubt please consult your MERCEDES BENZ service station Paintwork Do not apply wax if your car is parked in the sun or if the hood is still hot For maximum protect...

Page 52: ...Practical Hints 51...

Page 53: ...ing and remove Installation front and rear Position ash tray squarely and push in 52 Rear Seat Cushion Removal Push in left and right spring clamps 1 slightly raise rear seat cushion at the front side...

Page 54: ...ng up the vehicle at the jack tubes provided on either side of the vehicle Jack stands must be used when working under the vehicle Luggage or Ski Racks The only type of rack to be mounted on the roof...

Page 55: ...km as otherwise the driving properties deteriorate Slowly leaking air e g due to a nail in the tire may cause damage to the tire such as tread separation Regular tire pressure checks at intervals of n...

Page 56: ...heel bolts 5 Clean jack supporting tube if necessary Jack tubes are behind the front wheel housings and in front of the rear wheel housing 6 Insert jack arm into the tube hole upto the stop Position t...

Page 57: ...and are perfectly I 10 Lower car and remove jack Tighten the five bolts evenly by going around the wheel and tightening every other bolt until all the bolts are tight Observe a tightening torque of 7...

Page 58: ...ed battery the system must be bled manually Operate the prim er pump until the injection pump overflow valve opens rattling noise audible Disengage prim er pump handle prior to operating it turn count...

Page 59: ...e to evaporation of water plain water can be added If a larger quantity of coolant has to be added a 50 50 mixture of water and antifreeze should be used Caution Do not remove pressure cap on cool ant...

Page 60: ...through a fine mesh filter into the dipstick opening Even the slightest im purity may cause operational troubles The oil level in the transmission is dependent upon the oil temperature The maximum and...

Page 61: ...ck and readjust headlights at regular intervals and invariably when a lamp has been replaced Front Lights Sealed Beam Version USA Specifications 1 Cover 2 Securing screws for cover 3 Horizontal aiming...

Page 62: ...ngages behind bracket 13 14 Bulb for fog light Loosen securing screws 15 and remove housing Detach holding spring 16 remove bulb 14 and disconnect Plug 17 Tail Light Assembly Remove both knurled nutsi...

Page 63: ...ed that the lug in the lens is on the LH side Courtesy Lights To replace the bulb press courtesy light slightly toward the left 1 lift off at right hand side 2 and pull out to the right Thesam eapplie...

Page 64: ...er firmly Battery Approximately every fourweeks and more frequently in summer and in tropical zones check the electrolyte level in the battery cells from outside The electrolyte level must be somewher...

Page 65: ...vided on the drive motor LH side of trunk The manual drive can be rotated by means of adapter 3 retained in bracket 2 plus spark plug wrench 4 to move the sliding roof in the desired direction To clos...

Page 66: ...ely 2 minutes to ensure sufficient fluid pressure in the transmission To crank the engine shift selector lever to S Touch the accelerator only when the engine starts firing As soon as the engine has s...

Page 67: ...first disconnect the negative terminal and then the positive terminal If the engine is started with charging equipment the battery must be Towing a Vehicle The vehicle may be towed with the driving wh...

Page 68: ...Technical Data Fuels Coolants Lubricants etc 67...

Page 69: ...lar 5 Engine No 2 Identification Tag 6 Emission Control Tag left window post 7 Emission Control Tag 3 Chassis No Catalyst Information Data card No 1 bears the key number and should on no account be le...

Page 70: ...V belts 9 5 x 1 035 mm Power stee ring 12 5 x 1 150 mm Air co n d itio n in g 12 5 x 925 mm Technical Data Transmission Design Automatic four speed torque converter transmission Steering System Design...

Page 71: ...Glove compartment light I 12 V Sealed beam insert No 1 and 2 21 5 W 32 4 cp H 3 21 W 32 cp 21 W 32 cp 5 W festoon lamp 5 W 4 cp 21 W 32 cp 5 W festoon lamp 10 W festoon lamp 4 W 2 cp 10 W festoon lam...

Page 72: ...s coolants lubricants etc Total oil capacity in case of engine oil and filter change Total oil capacity in case of engine oil change without filter replacement 7 9 6 6 US Imp qts 7 5 I 6 3 5 3 US Imp...

Page 73: ...ction bearing grease Grease nipples M ultipurpose or lubrication grease Door locks Special grease Battery terminals Bosch special grease Brake reservoir 1 1 0 9 US Imp pts 0 5 I Brake fluid Windshield...

Page 74: ...operation oil in the factory or in a MERCEDES BENZ service station This oil is specially developed for the specific operating conditions during the first 300 600 miles 500 1 000 km A recommended engi...

Page 75: ...resistant winter diesel fuels are available or if temperatures drop below 3 F 16 C If regular gasoline does have to be added its proportion should not exceed 30 Premium fuels are not to be used Engin...

Page 76: ...scale forming minerals potable water quality The coolant mixture should always contain enough antifreeze to ensure protection to a minimum of 4 F 20 C If antifreeze is not available add a corrosion i...

Page 77: ...Canada 849 Eglinton Ave East Toronto 17 Ont Canada Att Service Department Tel 416 425 3550 The above companies will be happy to handle any such requests from customers We consider this to be the best...

Page 78: ...b e t w e e nu p p e ra n dl o w e rd i p s t i c km a r k i n gl e v e l 3 2 2 6US I m p p t s 1 5 1 A u t o m a t i c t r a n s m i s s i o nf l u i d A T F F o r l e v e lc h e c k sa n dr e p l e...

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