Mercedes-Benz 300 CD 1978 Owner's Manual
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Mercedes-Benz 300 CD 1978 Owner's Manual

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Summary of Contents for Mercedes-Benz 300 CD 1978

  • Page 1 Mercedes-Benz...
  • Page 3 Owner’s 240 D Mercedes-Benz Manual 300 D 300CD Type 123 D...
  • Page 5 Y o u have c h o s e n to d riv e a M E R C E D E S -B E N Z , a c a r in w h o s e c o n s tru c tio n a n d p ro d u c tio n w e have ta k e n g re a t p a in s b eca use w e b elieve th a t q u a lity is n o t a m a tte r o f ch a n c e .

  • Page 6: Table Of Contents

    C ontents This Ow ner's M anual also A ir C onditioning S y s te m V eh icle O peration describes optio na l extras as fa r as A uto m a tic Climate C ontrol . . . Instrum ents and Controls .
  • Page 7 C o n te n ts W heels, T ir e s ..... Vehicle Care Changing W heels .... MERCEDES-BENZ M ain­ Tire Pressure ..... V e h ic le O p e ra tio n tenance System ......50 Electrical S y s te m ....
  • Page 9 Vehicle Operation...

  • Page 10: Instrum Ents And Controls

    In stru m en ts and Controls For m ore detailed descriptions see q uoted pages. Speaker grilles S w itch fo r autom atic antenna (page 35) A ir conditioner tem perature sw itch (page 28) Sw ivelling side ventilation outlets (page 26) C ontrol o f electrically operated sliding roof Parking brake release knob (page 40) (page 24)
  • Page 11 In stru m en ts and Controls...
  • Page 12 In s tru m e n t C lu s te r Coolant tem perature gauge (° F) Knob fo r clock adjustm ent Red marking: M axim um permissible (press in fo r adjustments) tem perature fo r an antifreeze-blended fill protecting dow n to —22°...
  • Page 13 In s tru m e n t Cluster...
  • Page 14 Keys Doors > 8637 M as te r Key — square-headed O pening th e Doors W hen the rear door plunger's are fits all locks on the car. pushed dow n the rear doors From outside: pull handle o u t­ cannot be opened from the outside w ards (1).

  • Page 15: M Aster Lock System

    Keys D o o rs M as te r Lock System counterclockw ise to the stop. Push reengaged in master lock system; the trun k lock button in w ith it and that is, it w ill autom atically be The master lock system sim ulta­...

  • Page 16: Front Seat A Djustm Ent

    Seats should be moved to one of the for- w ardm ost positions and headrest removed. For driving, return seat rearwards and backrest to upright position. Replace headrest. Note: Prior to operating the vehicle, the driver should adjust the seat height fo r proper vision as well as fo re -aft placem ent and seat back angle to insure adequate control,...

  • Page 17: A Rm Rest (Rear Seat)

    Seats rester by depressing a button to be A rm Rest (Rear Seat) Safety Headrest fe lt under the backrest covering A center arm rest is provided in the Adjust headrest to support the material. rear seat w hich can be pulled out back o f the head at the level o f Front seats: button below L/H the upper end o f ear.

  • Page 18: Safety Belt

    Seats > 8759 Fastening o f rear center belt S a fety Belts Fastening o f fro n t and rear outer (w ith ou t inertia reel): seat belts (with inertia reel): W arning system: • Pull belt w ith tongue (1) across •...
  • Page 19 Seats Operation: Note: quired. The belt anchors in the vehicle should also be checked. The safety belt inertia reel stops No safety belt can be used fo r more the belt from unw inding fu rthe r in than one person. Belts are not in­ Renew damaged belt w ebbing.

  • Page 20: Controls

    Controls Preglowing takes place. Starting: continue turning key clockw ise to the stop. The starter is engaged when the key is pressed against the stop. The starter nonrepeat unit requires the key to be returned to position "1 " or "0 " prior to a new starting attem pt.

  • Page 21: Light W Itch

    C ontrols Note: Standing lights, right Light S w itch W ith the steering lock key removed Standing lights, left O ff-position and the driver's door open a signal Parking lights (includes side sounds if the vehicle's exterior Turn to position 2 and pull out marker lights, tail lights, license lighting is not sw itched o ff (stand­...

  • Page 22: C Om Bination Sw Itch

    Controls Control fo r windshield washer system W hen the washer system is sw itched on, the wipers also operate W indshield w iper speeds W indshield w iper sw itched o ff In te rm itte nt wiping Normal w iper speed III High w iper speed Hints: If one o f the turn signals fails, the...

  • Page 23: Cruise Control

    Controls by briefly pushing the sw itch 4 = Resume to position "1 " or “ 2", and the If the lever is briefly pushed to accelerator can be released. position "4 " when driving at The speed can be increased a speed exceeding 25 mph (e.

  • Page 24: Various Equipment

    Various Equipm ent > 1 1 1 S ts "NNIIIIIHI rear door contact sw itches or by Inside rear view mirror: Interior Lights the rocker sw itch on the instrum ent M irror housing can be randomly Three sw itching positions are pro­ panel.
  • Page 25 Various E quipm ent quirem ent. For this reason, sw itch o ff the heated rear w in d o w as soon as it is demisted or defrosted. It is cut o ut autom atically after 30 m in­ utes at the latest.

  • Page 26: Electric Lighter

    Various Equipm ent Electrical control Sliding R oof Electric Lighter Turn key in steering lock Manual operation Key in steering lock position to position "2". "1" or "2". To release, swing dow n locking Press upper end (symbol) o f rocker lever and turn by half a revolution Press in electric lighter;...
  • Page 27 Various E quipm ent Key in steering lock in position "2". 2. By actuation o f the individual Electric W in d o w Lifters sw itches (5) under each rear The side w ind ow s can be operated Sw itch group fo r w in d o w lifters: side w ind ow .
  • Page 28 H eating and V e n tilatio n A ir distribution lever Lever to the left = air to w in d ­ > shield Lever in center position = air to w indshield and to fro n t and rear fo otw e lls Lever to the rig ht = air to fro n t and rear fo otw e lls and a...
  • Page 29 H eating and V e n tilatio n Exam ples fo r heating and v en tila tio n settings M axim um heating M axim um heating WINDSHIELD FLOOR pow er and m axim um air pow er and m axim um air / ^ D E F ^ T jS lD E F ^ 0 3 DEF...
  • Page 30 A ir C ond itio n in g System The tem perature inside the vehicle can be lowered by means of the air conditioning system. W hen tem per­ ature sw itch 8 is sw itched on, the air is passed over an evaporator and is thus cooled and dehydrated at the same tim e.
  • Page 31 A ir C o nditioning System Im p o rtan t! Mist on inside o f w indow s: Rapid cooling: In damp weather the air c o n d itio n ­ • Turn temperature sw itch 8 In order to keep the air c o nd itio n ­ ing system can be sw itched on in (depressed) and air volume ing system in good w orking condi­...
  • Page 32 A u to m a tic C lim ate C ontrol Sw ivelling outlets fo r side Tem perature selector wheel "D EF" button ventilation "O FF" button Refrigerant compressor sw itch Turn right = open Swivelling outlets fo r cooled air "A U TO -LO "...
  • Page 33 A u to m a tic C lim ate C ontrol the o ff position until the N orm ally only one adjustm ent The autom atic climate control con­ engine cooling w ater is slightly is necessary fo r the entire year. trols the desired tem perature in the If required to be altered, only warm ed up.
  • Page 34 A u to m a tic C lim ate C ontrol "A U T O -H I" button: We recommend this position Fresh air enters the vehicle through at lo w am bient temperatures. the openings in fro n t o f the w in d ­ Fast heating or cooling o f shield (keep free o f snow) and is vehicle interior.

  • Page 35: Vehicle Care

    Vehicle Care...

  • Page 36: Mercedes-Benz M Ain­ Tenance System

    • the tires every 6,000 miles (10,000 km), at shorter intervals. A n y MERCEDES-BENZ service station w ill be pleased to give you expert and individual advice.
  • Page 37 For regular oil level checks, refer to optim um retention o f the vehicle "Checking Fuels, Coolants, Lubri­ value w hen MERCEDES-BENZ o rig­ cants, etc.". inal spare parts are installed, as they are subjected to m ost severe quality inspections.

  • Page 38: Cleaning And Care O F The Vehicle

    The fo llo w in g is a review of the Particularly unfavorable conditions, A n y MERCEDES-BENZ service m ost im portant car care instruc­ as fo r example in the vicinity of station has the inform ation avail­...
  • Page 39 C leaning and Care o f th e Vehicle T ar Stains soap. Do not dry the webbing at Car W ash tem peratures above 176° F (80° C) Q uickly remove tar stains before Before washing your vehicle, re­ or in direct sunlight.
  • Page 40 Do not sit on damp up­ m onths. Use the appropriate holstery. Quick drying is achieved MERCEDES-BENZ Touch-U p Stick by applying hot air — fo r example, fo r quick and provisional repairs of by using a hair dryer. If in doubt, m inor paint damage.

  • Page 41: Practical Hints

    Practical Hints...

  • Page 42: Ash Trays

    Practical H ints First Aid Kit Ash trays To remove rear ash tray: Push the ash tray dow n while The first aid kit is stowed in a To remove fro n t ash tray: opening and remove. cavity in the hat shelf at the rear. Pull ash tray o ut as far as possible.

  • Page 43: Rear Seat Cushion

    The jack is designed exclusively rack. Your MERCEDES-BENZ the stop, press dow n fro n t edge fo r jacking up the vehicle. dealer can give fu rthe r advice.

  • Page 44: Bleeding The Fuel System

    C hecking Fuels C oolants Lubricants etc. Fuel System A fte r refueling, start the engine, engaging the starter fo r about 20 seconds until all the trapped air has been evacuated. W ith a poorly charged battery the system m ust be bled manually. Operate the prim er pum p until the injection pum p o verflow valve opens (rattling noise audible).

  • Page 45: Replenishing C Oolant

    C hecking Fuels C oolants Lubricants etc. Replenishing C oolant Pour cold w ater into a hot engine The drain plugs are on the RH side only if it is running. Both hot and of the engine and LH bottom Open the radiator cap only if the m ount o f the radiator.

  • Page 46: Fluid Level - A U To M A Tic Transm Ission

    C hecking Fuels Coolants Lubricants etc. Check transmission fluid level w ith oil level marks on the dipstick are the engine idling, parking brake en­ applicable references only if the gaged and selector lever in posi­ transm ission fluid has reached its normal operating tem perature of tion "P ".
  • Page 47 Rotating, however, should See any MERCEDES-BENZ service be carried o ut before the charac­ Caution: Use longer wheel bolts station for inform ation on tested teristic tire wear pattern (shoulder fo r light alloy rims than those re­...
  • Page 48 W heels Tires Changing W heels Observe wheel bolts! For light alloy rims only For steel rims only Changing W heels 4. Insert the com bination w rench vertical as seen from the side, in one o f the trim ring slots and even on inclines.
  • Page 49 W heels Tires C hanging W heels against the wheel flange at this 11. Lower car and remove jack. sures specified fo r summ er and Tighten the five bolts evenly point. Then push the tw o w inte r tires as well as fo r the vary­ by going around the wheel and opposite clips against the rim ing operating conditions.
  • Page 50 Electrical System :8880 Replacing Bulbs Headlight Aim ing Fog light Correct headlight aiming is o f par­ Turn signal, clearance (stand­ To remove, push the bulb in and am ount im portance to the road­ ing) and side marker light turn to the left, then lift the bulb w orthiness of the car.
  • Page 51 Vehicle Care...
  • Page 52 • the tires every 6,000 miles (10,000 km). at shorter intervals. A n y MERCEDES-BENZ service station w ill be pleased to give you expert and individual advice.

  • Page 53: Autom Atic Transmission

    For regular oil level checks, refer to o ptim um retention o f the vehicle "Checking Fuels, Coolants, Lubri­ value when MERCEDES-BENZ o rig­ cants, etc.". inal spare parts are installed, as they are subjected to m ost severe quality inspections.

  • Page 54: Brake Fluid

    The fo llo w in g is a review o f the Particularly unfavorable conditions, m ost im portant car care instruc­ A n y MERCEDES-BENZ service as fo r example in the vicinity o f tions. station has the inform ation avail­...
  • Page 55 C leaning and Care o f th e Vehicle Car Wash T ar Stains soap. Do not dry the webbing at tem peratures above 176° F (80° C) Before washing your vehicle, re­ Q uickly remove tar stains before or in direct sunlight. Never bleach move insect residues.
  • Page 56 Do not sit on damp up­ m onths. Use the appropriate holstery. Quick drying is achieved MERCEDES-BENZ Touch-U p Stick by applying hot air — fo r example, fo r quick and provisional repairs of by using a hair dryer. If in doubt, m inor paint damage.
  • Page 57 Practical Hints...
  • Page 58 Practical Hints First Aid Kit To remove rear ash tray: Ash trays Push the ash tray dow n while The first aid kit is stowed in a To remove fro n t ash tray: opening and remove. cavity in the hat shelf at the rear. Pull ash tray out as far as possible.
  • Page 59 The jack is designed exclusively rack. Your MERCEDES-BENZ the stop, press down fro n t edge fo r jacking up the vehicle. dealer can give fu rthe r advice.
  • Page 60 C hecking Fuels Coolants Lubricants etc. Fuel System A fte r refueling, start the engine, engaging the starter fo r about 20 seconds until all the trapped air has been evacuated. W ith a poorly charged battery the system m ust be bled manually. Operate the prim er pum p until the injection pum p overflow valve opens (rattling noise audible).
  • Page 61 C hecking Fuels C oolants Lubricants etc. Replenishing C oolant Pour cold w ater into a hot engine The drain plugs are on the RH side only if it is running. Both hot and o f the engine and LH bottom Open the radiator cap only if the m ount o f the radiator.
  • Page 62 C hecking Fuels Coolants Lubricants etc. Check transmission fluid level w ith oil level marks on the dipstick are the engine idling, parking brake en­ applicable references only if the gaged and selector lever in posi­ transm ission fluid has reached its tion "P ".

  • Page 63: Wheels, Tires, Changing Wheels

    R otating, however, should See any MERCEDES-BENZ service be carried o ut before the charac­ Caution: Use longer wheel bolts station fo r inform ation on tested teristic tire wear pattern (shoulder fo r light alloy rims than those re­...

  • Page 64: Wheels, Tires, Changing Wheels

    W heels Tires Changing W heels Observe wheel bolts! For light alloy rims only For steel rims only Changing W heels 4. Insert the com bination w rench vertical as seen from the side, in one o f the trim ring slots and even on inclines.

  • Page 65: W Heels Tires

    W heels Tires Changing W heels 11. Lower car and remove jack. against the wheel flange at this sures specified fo r summer and point. Then push the tw o Tighten the five bolts evenly w inte r tires as well as fo r the vary­ by going around the wheel and opposite clips against the rim ing operating conditions.

  • Page 66: Electrical System

    Electrical System ;88 8 0 Fog light Replacing Bulbs Headlight Aim ing Correct headlight aiming is o f par­ Turn signal, clearance (stand­ To remove, push the bulb in and am ount im portance to th e road­ ing) and side marker light turn to the left, then lift the bulb w orthiness of the car.
  • Page 67 Electrical System & M «\ Securing screws fo r sealed- Bulb fo r turn signal, clearance Tail Light A ssem bly beam unit retaining ring. (standing) and side marker Remove both knurled nuts in the Loosen securing screws, re­ light. Loosen fastener (6). trun k and pull o ff lens assembly.
  • Page 68 Electrical System License Plate Lights C ourtesy Lights Open trunk lid. Loosen both the To replace the bulb, press courtesy securing screws (1) and take out light slightly tow ards the left (1), light. lift o ff at right-hand side (2) and pull o ut to the right.
  • Page 69 Electrical System Trunk Light Glove C o m p a rtm e n t Light The bulb (1) is easily accessible To replace the bulb, pull o ut light. when the trunk lid (2) is opened.

  • Page 70: Fuses

    Electrical System B attery A pproxim ately every fo u r weeks, and more frequently in summer and in tropical zones, check the electrolyte level in the battery cells from outside. The electrolyte level m ust be som e­ w here between the low er and the upper marking.

  • Page 71: Emergency Operation Of Sliding Roof

    Em ergency O peration of Sliding Roof U n lo ckin g of th e Filler Flap If the electric drive fails, the sliding ual drive can be rotated by means If the filler flap cannot be opened roof can also be moved by hand. o f adapter (2) and spark plug w hen the master lock system is w rench (3) to m ove the sliding...

  • Page 72: Em Ergency-Starting And T O W In G Th E Vehicle

    Em ergency-starting and T o w in g th e Vehicle because the preglowing process Tow ing eyes are situated un­ selector lever to "N " and turn key starts w hen the key is in steering derneath the fro n t and rear in steering lock to position "2".

  • Page 73: T Urning O Ff Engine M Anually

    E m ergency-starting and T o w in g th e V eh icle Turning o ff Engine M an u ally S tarting the Engine w ith T o w in g a V eh icle J u m p e r Cable (35 m m 2 M in i­ w ith A u to m a tic Transm ission m um Cable Cross Section) and The vehicle may be tow ed w ith the...

  • Page 75: Technical Data Fuels Coolants Lubricants Etc

    Technical Data Fuels Coolants Lubricants etc.
  • Page 76 Id e n tific atio n Plates V eh icle D ata Cards W hen ordering spare parts, please W ith your MERCEDES-BENZ you Card No. 1 lists the key num ber quote chassis and engine numbers. receive tw o vehicle data cards list­...
  • Page 77 T echnical D ata 240 D Type 240 D (123 123)1 Transm ission D e s ig n M anual four-speed Engine transmission Optional e xtra ......A uto m a tic four-speed Engine t y p e ......torque-converter W ork cycle ......
  • Page 78 Technical D ata 240 D Speeds B u lb s ........12 V Top speed: High and low beam s....Sealed beam Fog lig h ts ......... Mechanical transm ission Turn signal, clearance and 86 mph (138 km /h) approxim ately ....... side marker lights, fro n t 21/5 W (32/3 cp) A u to m a tic transmission...
  • Page 79 T echnical D ata 300 D, 300 CD Transm ission T y p e .......... 300 D (123 130)' 300 CD (123 150)1 D e s ig n ....A utom atic four-speed Engine torque-converter transmission Engine t y p e ......S teering System W ork c y c le ......
  • Page 80 Technical D ata 300 D, 300 CD M a in D im ensions 300 D B u lb s ........12 V 190.9 ins. (4,848 mm) Overall vehicle le n g th ..High and low beams .... Sealed beam 70.3 ins.

  • Page 81: Fuels C Oolants Lubricants Etc

    Fuels C oolants Lubricants etc. Capacities Vehicle com ponents and their Therefore use only brands tested Enquire at your MERCEDES-BENZ respective lubricants m ust match. and recomm ended by us. service station. Type Capacity Fuels, coolants, lubricants, etc. Total oil capacity in...
  • Page 82 Fuels C oolants Lubricants etc. C apacities Type Capacity Fuels, coolants, lubricants, etc. 3.4/2.8 U S /Im p. pts. Engine oil SAE 10 W /2 0 W-20 Mechanical transm ission 240 D (1.61) Initial fill: 6.4/5.4 U S/Im p. qts. (6.1 I) A u to m a tic transm ission fluid (ATF) A uto m a tic transmission Fluid change:...
  • Page 83 Fuels C oolants Lubricants etc. C apacities Type Capacity Fuels, coolants, lubricants, etc. Door locks Special grease Battery terminals Bosch special grease Brake and (w ith m echan­ 1.1/0.9 U S /Im p. pts. ical transmission) Brake fluid (0.5 I) clutch reservoir 240 D 300 D...

  • Page 84: Engine Oils

    "Save D riving". A recomm ended engine oil may be able at any MERCEDES-BENZ used fo r topping up if the oil level service station. drops o f the dipstick m inim um...

  • Page 85: Diesel Fuels

    Fuels C oolants Lubricants etc. Diesel Fuels less cold resistant w inte r diesel atures o f less than —8° F ( —22° C) fuels are available or if tem pera­ the proportion o f supplem entary Use only com m ercially available tures drop below + 3 °...

  • Page 86: Coolants

    The coolant remains in the cooling ing w ater, do n ot use more than system all year round and m ust be A n y MERCEDES-BENZ service 1 % (10 cu.cm /l) o f a recom ­ renewed after 2 years at the latest.

  • Page 87: Service Literature

    S ervice Literature Customers w ho are interested in ordering service literature fo r their vehicles are advised to contact our subsidiaries in the U.S. or Canada at the fo llo w in g adresses, respectively fo r U .S.A.: M ercedes-Benz o f N.A.
  • Page 89 The last page W h a t you should k n o w at the gas station • Fuel: Diesel fuels acc. to A S TM D 975, grades 1 and 2 as well as VV-F-800a grades 1 and 2. Fuel tank capacity approx.

This manual is also suitable for:

300 d 1978240 d 1978

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