Mercedes-Benz 300SD 1981 Owner'S Manual Download Page 94

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Printed In Germany

We reserve the right to m odify the technical details of the vehicle as given in the

data and illustrations of this O w ner’s Manual (s.e.e.o.). Reprinting, translation and

copying, even of excerpts, is not perm itted w ith out our prio r authorization in
w ritting.

ZKD/II.81.10. PVL

Summary of Contents for 300SD 1981

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Page 2: ...luggage racks when not in use not warm up your engine at idle and with the vehicle at standstill avoid frequent acceleration and deceleration avoid frequent braking avoid unnecessarily high speeds hav...

Page 3: ...300SD Type 126 D 1981...

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Page 5: ...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...

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Page 7: ...s Master Lock System Seats Electrical Adjustment of Driver s and Front Passenger s Seats Safety Headrests Orthopaedic Seat Back Arm Rest Front Seats Arm Rest Rear Seat Seat Heater Safety Belts The las...

Page 8: ...ing 52 High Altitude Correction Device 53 Tire Chains 53 Traveling A broad 53 Vehicle Care MERCEDES BENZ Maintenance S ystem 56 Severe Operating Conditions 56 Enginge Oil Change and Filter Change 57 A...

Page 9: ...Sliding R o o f 75 Unlocking the Fuel Filler Flap 75 Jump Starting 76 Tow starting and Towing the Vehicle 76 Technical Data Fuels Coolants Lubricants etc Identification Plates 80 Vehicle Data Cards 8...

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Page 11: ...Vehicle Operation...

Page 12: ...er switch 13 Lever for nonheated fresh air page 26 10 14 Switch for rear passenger compartment lamp page 30 15 Switch for electric sliding roof page 29 16 Switch for hazard warning flasher system 17 S...

Page 13: ...Instruments and Controls 11...

Page 14: ...red 12 Preglow indicator lamp yellow 13 Brake warning lamp red comes on if the parking brake is engaged not enough brake fluid is in the reservoir 14 Brake pad wear indicator lamp yellow Lights up dur...

Page 15: ...Instrument Cluster 13...

Page 16: ...ck glove compartment and trunk with the master key The flat key fits all vehicle locks We recommend that you carry the flat key with you and keep it in a safe place so that it is always handy if neede...

Page 17: ...turn key From the inside actuate plunger 2 Unlocking 3 Locking When the rear door plungers are pushed down the rear doors cannot be opened from the outside or the inside They can be opened after pulli...

Page 18: ...button with the key and open the trunk Turn the key to its initial position and withdraw it To lock the trunk lid close it firmly the trunk lid will then be locked by the master lock system again The...

Page 19: ...w mirror adjustments as well as fasten ing of seat belts should be accom plished before the vehicle is put into motion Safety Headrests Adjust headrest to support the back of the head approximately at...

Page 20: ...ront Seats The arm rest engages in 3 positions Position 1 arm rest folded up Position 2 for normally inclined seat back Position 3 for extremely inclined seat back For downward adjustment of the arm r...

Page 21: ...ated at the forward end of the center tray those for the rear seats are accommodated in the rear doors Push switch to position 1 contin uous operation The indicator lamp in the switch comes on Push sw...

Page 22: ...s latch plate 1 into buckle 2 and allow to engage audibly Adjust front seat safety belts so as to have the upper belt located as near as possible to the middle of the shoulder For this purpose push bu...

Page 23: ...sted but must be tight To shorten the belt pull belt end with the latch plate engaged To lengthen the belt turn the latch plate so that it is at a little more than 90 to the belt and pull before faste...

Page 24: ...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 0 prior to a new starting attempt For starting and turning...

Page 25: ...me as pos 1 plus headlamps 3 Standing lamps right 4 Standing lamps left A Turn to position 2 and pull out to first detent same as position 2 plus fog lamps B Available for an option Note With the stee...

Page 26: ...as changing lanes on a highway move combination switch to the point of resistance only and hold it there 6 Control for windshield washer system When the washer system is switched on the wipers also o...

Page 27: ...When the switch is released the newly set speed remains 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 actua...

Page 28: ...sed with levers 8 and 10 the center swivelling outlets 11 with lever 9 Lever to the left open Fixed outlets 12 are opened and closed by rotating the wheel in the respective outlet Wheel turned up open...

Page 29: ...ating mode most of the heated air is channeled to the footwell Only sufficient air is channeled to the windshield to keep it free from mist under normal weather conditions In the cooling mode air is o...

Page 30: ...t Exterior Mirrors Driver s side Exterior mirror 2 can be adjusted from inside the vehicle by means of adjusting lever 1 Front passenger side Turn key in steering lock to position 1 or 2 The exterior...

Page 31: ...to Emergency Operation of Sliding Roof Sun Visors To protect against glaring sunlight from ahead swing sun visors down ward In the event of strong sunlight through the side windows remove the respecti...

Page 32: ...the instrument panel The reading lamps in the rear passenger compartment are switched on and off by means of a switch in each lamp Heated Rear Window Turn key in steering lock to posi tion 2 When the...

Page 33: ...ctric Window Lifters Switch group for window lifters 1 front left 2 rear left 3 front right 4 rear right 5 Safety switch The electric window lifters can only be operated with the steering lock in posi...

Page 34: ...e Control 3 Push buttons for band selection and tuning of preset stations 4 Manual tuning control 5 Wave band indicator 6 Cassette eject 7 Fast forward 8 Fast rewind 9 Track indicator 10 Track change...

Page 35: ...s and restore clarity However fringe area reception requires the antenna fully extended to receive weak incoming signals The antenna can be operated by depress ing the respective side of the rocker sw...

Page 36: ...he radio switched on and the key in steering lock positions 1 or 2 If the antenna switch is in center position the antenna extends automatically to a specific height if the antenna switch is engaged i...

Page 37: ...nual search station seeker bar PUM IUM 15 Cassette track switch and track indicator l u i t d 16 Fast tape rewind locking button literati 17 Fast tape forward locking but ton I 1 I M I I 18 Cassette e...

Page 38: ...nel Automatic station search Switch to the wave band desired by pressing any of the following buttons for FM buttons EE through EE for AM buttons through EQ By pressing the right side of the station s...

Page 39: ...e function control button Depress and hold the left or right side button The frequency will increase or decrease respectively in increments of 0 1 MHz for FM or 1 0 KHz for AM Release the button when...

Page 40: ...its playing position When the end of one playing side is reached the unit switches automatic ally to reverse for playing the second track Manual reverse can be activated by depressing the cassette tra...

Page 41: ...rn an accessory e g seat heating system on at a preset time To set either timer the ignition key must be in position 1 or 2 Timer m can only turn the radio on with the ignition key in position 1 or 2...

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Page 43: ...Driving 41...

Page 44: ...instrument panel The hood opens up to the safety catch stop Push in safety catches on LH and RH sides of the radiator grille simulta neously and lift up hood To close push hood down firmly Notes There...

Page 45: ...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 Lubricants etc a...

Page 46: ...the instrument cluster must go out Engage parking brake before starting the engine Place the gear selector lever in either N or P position Cold Engine Turn key in steering lock to position 2 Charge in...

Page 47: ...ngine continue to oper ate with the key in steering lock position 0 refer to page 63 With very high coolant temperatures e g after driving on mountain passes do not shut down the engine immediately bu...

Page 48: ...d driving position only when the engine is idling and the service brake is applied Do not release the brake before moving off The vehicle may otherwise start creeping when the selector lever is in a d...

Page 49: ...e N when driving except when the vehicle is in danger of skidding e g on icy roads See page 52 D Drive All gears are available Position D affords optimum driving characteristics under ail normal opera...

Page 50: ...he service brake For longer stops with the engine idling shift selector lever to position N When stopping the car on a slope do not hold it by means of the accelera tor but use the brake This avoids u...

Page 51: ...Stopping distance however is nevertheless considerably greater than when the road is wet or dry Brakes When driving down long and steep declines relieve the brakes by engag ing selector lever positio...

Page 52: ...sture content can lead to the formation of vapor in the system thus reducing the system s efficiency The brake fluid must therefore be re placed annually preferably in the spring It is recommended to...

Page 53: ...ne oil consumption can only be determined after a certain mileage has been covered During the break in period higher oil consumption may be noticed and is normal Frequent high engine speed opera tion...

Page 54: ...s is to drive sensibily 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 move selector...

Page 55: ...dvise you Retighten newly mounted tire chains after a few miles of driving Do not exceed permissible maximum speed of 50 km h 30 mph On clear roads remove the chains as soon as practicable Adhere to t...

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Page 57: ...Vehicle Care 55...

Page 58: ...preferably in spring Use only brake fluids recommended by MERCEDES BENZ The vehicle must receive the pres cribed maintenance and or lubrica tion work at the specified intervals as listed in the mainte...

Page 59: ...ery 48 000 km 30 000 miles according to the mainte nance booklet Under severe operating conditions have the automatic transmission fluid changed every 24 000 km 15 000 miles without filter change All...

Page 60: ...do not neglect the underside of the car A prerequisite for a thorough check is a washing of the underbody followed by a rust proofing treatment Your vehicle has been treated at the factory with a wax...

Page 61: ...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 wiper blades with a...

Page 62: ...apply wax if your car is parked in the sun or if the hood is still hot For maximum protection the paint work should be waxed approximately once every three months Use the appropriate MERCEDES BENZ Tou...

Page 63: ...Practical Hints 4 61...

Page 64: ...ay Position ash tray squarely and push in Rear Seat Cushion Removal Press unlocking buttons 1 left and right outwards while slightly lifting the front corner of the rear seat cushion Then pull the rea...

Page 65: ...y after the fuel tank has been driven completely empty First fill fuel tank with fuel Then operate primer pump until the by pass valve on the injection pump opens hissing noise Disengage primer pump h...

Page 66: ...y lead to marring of the paint or even denting of the roof if excessive weight is placed on the rack Your MERCEDES BENZ dealer can give further advice Spare Wheel Jack Vehicle Tool Kit Spare wheel 1 j...

Page 67: ...ning the same sense of rotation Rotating however should be carried out before the characteristic tire wear pattern shoulder wear on front wheels and tread center wear on rear wheels becomes visible at...

Page 68: ...usings and in front of the rear wheel housing 6 Insert jack arm into the tube hole up to the stop Position the jack so that it will always be vertical as seen from the side even on inclines Jack up th...

Page 69: ...ying operating conditions Tire pressures listed for light loads are minimum values offering high driving comfort Increased inflation pressures for heavy loads produce favorable handling characteristic...

Page 70: ...evel ground and the oil level must be some where between the lower and the upper mark on dipstick 1 do not replen ish in excess of the upper mark Wipe dipstick before any oil level measurement To dete...

Page 71: ...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 coolant r...

Page 72: ...mesh filter into the dipstick opening Even the slight est impurity may cause operational troubles The oil level in the transmission is dependent upon the oil temperature The maximum and minimum oil le...

Page 73: ...i mately every 4 weeks and more often during the summer and in hot areas Do not use metal funnels and do not perforate the diaphragm of the bat tery overfill protection The battery is filled to the ma...

Page 74: ...readjust headlamps at regular intervals and invariably when a lamp has been replaced j 9426 Headlamp Unit 1 Headlamp vertical aiming screw 2 Headlamp horizontal aiming screw 3 Fog lamp vertical aimin...

Page 75: ...Bulb for Fog Lamp 9 Loosen securing screw 5 and pull housing out of bracket Then loosen securing screws 6 and remove front cover Remove securing screws 10 and take out lamp holder Pull off plug connec...

Page 76: ...it out and open reflector The same applies to the removal of the rear lamp Reading Lamps in the Rear Passenger Compartment To change the bulbs pull out lamps Trunk Lamp Trunk lamp 1 is easily accessi...

Page 77: ...result of snow accumulation The windshield wiper arm will then no longer return completely to its initial position although the windshield wiper motor continues to run a full cycle If the electric dr...

Page 78: ...ve terminals Start engine as normal After the engine has started first remove jumper cables from the negative battery terminals and then from the positive terminals Instructions A discharged battery c...

Page 79: ...arting off because the preglowing process starts when the key is in steering lock position 2 and is not immediately disrupted after the engine has been tow started During this time the preglowing proc...

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Page 81: ...Technical Data Fuels Coolants Lubricants etc...

Page 82: ...rs 1 Certification Tag left door pillar 2 Identification Tag left window post 3 Chassis No 4 Engine No 5 Body No and Paintwork No 6 Emission Control Tag 7 Information Tag California version Vacuum lin...

Page 83: ...ng of the order Your car is covered under the terms of the warranties printed in the owner s service and warranty policy booklet and your dealer will exchange or repair any defective parts in accordan...

Page 84: ...Water pump fan alter nator 2 V belts 9 5 x 1035mm Power steering 12 5x 1150 mm Air conditioning 12 5x 925 mm 82 Transmission Design Automaticfour speed torque converter transmission Steering System D...

Page 85: ...ove compartment lamp 12V Sealed beam Halogen 21 5 W 32 3 cp H 3 21 W 32 cp 21 W 32 cp 10 W 6 cp 10 W 6 cp 21 W 32 cp 5 W festoon lamp 10 W festoon lamp 4 W 2 cp 10 W festoon lamp 5 W festoon lamp Weig...

Page 86: ...ssion Therefore use only brands tested and Enquire at your MERCEDES BENZ recommended by us service station Capacity Fuels coolants lubricants etc Recommended engine oil 7 5 1 7 9 US qt SAE 40 may be u...

Page 87: ...Multipurpose grease Grease nipples Multipurpose or lubrication grease Door locks Special grease Battery terminals Bosch special grease Brake reservoir approx 0 5 1 1 1 US pt Brake fluid Windshield wa...

Page 88: ...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 1300 1600 km 800 1000 miles A recommended eng...

Page 89: ...iesel fuel only If not available a certain quantity of kerosene may be added Mixing only to be done within the cars fuel tank Kerosene has to be filled in before the diesel fuel Engine power may drop...

Page 90: ...mended corro sion inhibitor Without antifreeze in the cooling system the water already starts boiling at approx 118 C 224 F which means that the pointer of the temperature gauge in the instrument clus...

Page 91: ...Mercedes Benz of N A Inc One Mercedes Drive P O Box 350 Montvale New Jersey 07645 Att Technical Publications Tel 201 573 0600 for Canada Mercedes Benz of Canada 849 Eglinton Ave East Toronto 17 Ont Ca...

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Page 94: ...dify 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 a...

Page 95: ...or further information refer to page 84 Automatic transmission fluid ATF For level checks and replenishment refer to page 70 For normal replenishment use water potable water quality For further inform...

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