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• have all the maintenance jobs specified by us carried out at regular intervals by an authorized MERCEDES-BENZ dealer. Driving in low tem perature weather, in stop-and-go city traffic and on short hops, and in hilly country as well, increases fuel consum ption.
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M ercedes-B enz Owner's Manual ® 300 SD- HJRBO DIESEL Chassis 126 D 1985...
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O u r com pany and staff wish you many hours of enjoym ent with your new vehicle. You have placed a lot of tru s t in our com pany name by purchasing a MERCEDES, from w hich you may expect that it will give you long service w ith a m inim um of trouble, and is easy to operate.
Contents Special equipment is also described Vehicle Operation C o n tr o ls ......... in this manual, including operating Steering Lock ......Instrum ents and C ontrols ..instructions wherever necessary. Lighting Switch ......Instrum ent Cluster ...... Since there are special-order items, Combination Switch ....
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C on tents P ractical H ints Driving V ehicle Care Safety Head Restraints ....Hood ..........MERCEDES-BENZ Maintenance S y s te m ........... Ash trays ........Regular Inspections ....Spare Parts Service ....Rear Seat Cushion ...... Parking Brake ......
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Contents Checking Fuels, Coolants, Technical Data, Fuels, Coolants, Lubricants, e tc ......Lubricants, etc. Engine Oil Level Check Identification Plates ....Checking Coolant Level .. Vehicle Data Cards ...... Adding Coolant ....Vehicle Operation W arranty C o v e ra g e ...... Autom atic Transmission Technical D a ta ......
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Instrum e nts and C o n tro ls For more detailed descriptions see quoted pages. 14 Switch fo r heated rear w indow (page 38) 15 Switch fo r electric sliding roof (page 37) 1 Speaker grilles 16 Switch fo r hazard warning flasher system 2 Side ventilation outlets (page 31) 17 Switch fo r autom atic antenna (page 45) 3 Swivelling outlets fo r nonheated fresh air (page 31)
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Instruments and Controls !l4ll5|l6W l7ii8...
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In stru m ent C luster Supplemental restraint system indicator lamp (red). 1 Coolant tem perature gauge See page 25 Up to red marking: Maximum perm issible tem perature fo r an anticorrosion/antifreeze- 12 Seat belt warning lamp (red) blended fill protecting down to —30° 0,1 — 22° F. See page 58 ABS indicator lamp (yellow).
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Obtaining Replacement Keys locked w ith the master key. You are given 4 keys with your vehicle. Replacement keys can be obtained only via an authorized MERCEDES-BENZ dealer. For secur ity reasons, obtaining replacement keys requires considerable time.
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Keys Doors When the rear door buttons are pushed down, the rear doors cannot be opened from the outside or the inside. They can only be opened after pulling buttons up. The d rive r’s door can be locked only if it is closed and the door lock has properly engaged.
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Keys Doors Central Locking System Note: The trunk can remain locked while the central locking system is unlocked The central locking system can be The entire vehicle may be locked or (e.g. while driving or when leaving the engaged from the driver-side door unlocked with the central locking sys...
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Keys Doors The alarm will last approxim ately Anti-Theft Alarm System Special Function 150 seconds in the form of blinking To activate the anti-theft alarm from The anti-theft alarm can be armed or exterior lamps. A t the same tim e an the trunk, turn the m aster key in the disarmed with the master key (identi...
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Seats Two sets of seat/head restraint posi Seat and Head Restraint A djustm ent: tions may be program m ed in memory. Seat cushion adjustm ent. A fte r the seat and head restraints are Seatback adjustm ent. positioned, push mem ory button D, Head restraint adjustm ent.
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Seats insure adequate control, reach, oper The inflation pressure of the air ation, and com fort. The head restraint cushion may be continuously varied should also be adjusted fo r proper between position “ 0 ” = w ithout height so that when the cushion is pressure, and position “...
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Seats Arm Rest (Front Seats) The arm rest engages in 3 positions. Position 1 = arm rest folded up. Position 2 = fo r norm ally inclined seat back. Position 3 = fo r extrem ely inclined seat back. For downward adjustm ent of the arm rest, depress release button 4.
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Seats Heater operation: Push in upper switch portion; posi tion 1 = normal heater operation, one indicator lamp lights up. Push in lower sw itch portion; posi tion 2 = rapid heating, both indicator lamps light up. A fte r approxim ately 5 m inutes in the rapid heating mode, the heater autom atically sw itches to normal operation and only one indicator...
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Supplemental Restraint System A djust fro nt seat belts so as to W arning system: Seat Belts and Emergency Tension have the upper belt located as ing Retractor The indicator is illuminated for near as possible to the middle of 4 —...
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Supplemental Restraint System Unfastening: To shorten the belt, pull belt end with the latch plate engaged. To lengthen • Push in the red button (3) in the the belt, turn the latch plate so that it belt buckle. is at a little more than 90° to the belt •...
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Any authorized MERCEDES-BENZ dealer will gladly Warning! advise you on this subject. Rear seat passengers should always For cleaning and care of the seat wear seat belts —...
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S u pplem ental R estra in t System “ SRS" (3) in the instrum ent cluster. W ith the key in steering lock position “ 1” or “ 2 ” , the indicator lamp comes on fo r about 10 seconds then goes out.
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“ SRS" by alerting him to the MERCEDES-BENZ dealer at that the “ SRS” . This includes the applicable section in the O w ner’s time.
C ontrols Note: Wiper, windshield washer, headlamp flasher, lighter, glove com partm ent Do not remove key from steering lamp, radio, seat heater for front lock while the vehicle is in m otion seats. as this will cause the engagem ent of the steering lock thus rendering A warning buzzer sounds when the the vehicle inoperable.
Controls N otes: Lighting Switch W ith the steering lock key removed O ff-position and the driver’s door open, a warning 1 Parking lamps (includes side mar buzzer sounds if the vehicle’s exterior ker lamps, tail lamps, license plate lamps are not switched off (standing lamps, instrum ent panel lamps) lamps excepted).
C o ntrols C ontrol fo r w indshield washer system When the washer system is sw itched on, the w ipers also operate. W indshield w iper control 0 W indshield w iper sw itched off 1 Interm ittent wiping Normal w iper speed III High w iper speed Hints:...
Controls accelerator can then be released. The key in the steering lock is turned speed can be increased (e.g. fo r to position “ 1” or “ 0 ” . passing) by using the accelerator. As soon as the accelerator is released, Note: the previously set speed will be resum ed automatically.
A u to m a tic C lim ate C ontrol Levers tow ards left = open. O ut lets (6) can be variably opened and closed by turning of control wheel. Wheel turned up = open. To ensure efficient operation of the autom atic climate control system, the air outlets (4), (5) and (6) m ust be kept open.
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Automatic Climate Control Fan Setting Temperature Selection (° C) The interior tem perature can be adjusted by turning Selection fo r fan settings can be made as § the tem perature selector wheel. The selected follow s: tem perature is reached as quickly as possible and maintained.
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Automatic Climate Control EC (ECONOMY) = Econom ical setting; the air cond ition in g com pressor stays off. In any o ther settings, the air conditioning com pressor com e s on with ambient tem peratures above + 2 ° C/ -™TTT|pm' 36°...
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Automatic Climate Control Multi-Level This setting is necessary fo r clearing a fogged w indshield. As soon as possible, reset to ^ or ^ 6 - * 7 In the heating mode, air is supplied to the windshield, fo o t area, air outlets (5) and (6), and the front doors — in the cooling mode, additionally to air outlet (4).
Various Equipment mil,..... Inside Rear View Mirror Passenger side: Exterior Mirrors Turn key in steering lock to position The m irror can be tilted to the D river’s side: “ 2 ” . The exterior m irror can be anti-glare night position by means of The exterior m irror (2) can be adjusted by means of the switch.
Various Equipment Sun Visors Vanity m irror: Sliding Roof Swing down sun visor. The lamps are Swing sun visors down to protect Turn key in steering lock to posi sw itched on when the cover is against sun glare. tion “ 2” . opened.
V arious E quipm ent » 9234 9 3 4 5 9166 Heated Rear Window Interior Lamps The rear courtesy lamp is sw itched on and o ff by the rear d oo r contact With the engine running, press The switch fo r the fro n t lamp has sw itches or by the ro cke r sw itch on sym bol side of rocker sw itch to turn...
Various Equipment Lighter Power Windows then be operated using the switches in the center console. The rear door Turn key in steering lock to position Switch group fo r power w in d o w s: w indow s can also be operated using “...
Radio Fast tape forward locking b u t ton I I I M l Cassette eject button Cassette door lllllllllllllllllllllllllllllll To turn the radio on or off, the steering lock key m ust be in position Miff M M flM ff^fcfflll “...
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Radio A fader control, installed in the center console, allows fo r balancing the sound To select AM or FM level between the fro n t and rear speakers. Press any of the buttons marked I D through S 3 to tune the radio to To adjust the tone characteristic the FM band.
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Radio Note: The radio is programmed to automatically search the entire band at three sensitivity levels. During its first sweep, only the m ost pow erful stations All AM stations have allocated fre received will be selected and locked in. During the next sweep, the less power- quencies ending with a “...
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Radio Safety Note Any AM station can be stored Tape Cassette playback similarly on any button marked EZ1 To avoid distraction from the vehicle’s It is recom m ended to use only good through EEJ . operation and the road, it is recom quality cassettes with a playback time mended that the driver NOT perform o f not more than 60 to 90 minutes...
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Radio to m idnight, that is 24 hours. A time of Accordingly, fo r fast forward of the time. In order to set the tim er D , the 4:28 PM is indicated by this clock as tape, press the fast forward steering lock key must be in position 16:28 hours (12 plus 4:28 hours).
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Radio Automatic Antenna The height of the antenna can be adjusted to any interm ediate position The antenna switch can be actuated by actuating the antenna sw itch: w ith the radio sw itched on and the • If the antenna switch is in the key in steering lock p ositions “...
Hood 'C-xkki&ii* > Push in safety catches on LH and RH To open, pull hood release handle located on the LH side below the sides of the radiator grille sim ulta instrum ent panel. The hood opens up neously and lift up hood. to the safety catch stop.
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Have the following items checked regularly and prior to any long trip For w inter and sum m er operation diesel Fuel Supply fuels refer to “ Fuels, Coolants, Lubricants, e tc .” and last page. Tire Pressure For tire pressure table refer to fuel filler flap or last page.
Starting and Turning off the Engine Parking Brake A m bient Temperature exceeding 0° C / + 32° F: Turn key in steering lock clockwise to the stop. Do not depress accelerator. Release key only when the engine is firing regularly. A m bient Temperature below 0°...
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Notes Turning off and should be repaired at an authorized MERCEDES-BENZ dealer Due to the installed starte r non-re Turn key in steering lock to position at the earliest possible date. peat unit, the key in the steering lock “...
Starting and Shifting Gears Hints Warm up the engine sm oothly. Do not place full load on the engine until the When parking the vehicle or if w orking operating tem perature has been on the vehicle with the engine reached.
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Starting and Shifting Gears Selector lever positions engage “ N” when driving except Important! when the vehicle is in danger of The automatic gear shifting process Do not exceed the speed limits for skidding (e.g. on icy roads, see can be adapted to specific operating individual gear selections, w hich are page 59).
Safe Driving Starting and Shifting Gears Power assistance: Maneuvering Stopping When the engine is not running, both To maneuver in tig h t areas, e.g. when For brief stops, e.g. at traffic lights, the service brake and the steering are pulling into a parking space, control leave the transm ission engaged and w ithout power assistance.
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A fte r hard braking it is advisable to Tire friction: out by a MERCEDES-BENZ dealer. drive on fo r some time so the air A given speed at which a vehicle stream will cool down the brakes...
8 km /h /5 mph has been exceeded at ized MERCEDES-BENZ dealer as follow ing a vehicle too closely. least once after start-up. soon as possible to have the system The ABS indicator lamp in the instru...
Avoid accelerating by kickdown. It is should, therefore, be carried out only not recom m ended to brake the by qualified MERCEDES-BENZ tech n Engine Oil Consumption vehicle by manually shifting to a lower icians. The adjustm ents of the engine gear.
Have your car winterized at an author w heels are locked fo r no m ore than tem perature. A well charged bat ized MERCEDES-BENZ dealer before tery ensures that the engine can fractions of a second as otherwise the the onset of winter.
Use only tire chains that are tested Abroad, there is a widely-spread and recom m ended by us. Any author MERCEDES-BENZ service netw ork at autom atic high altitude correction ized MERCEDES-BENZ dealer will be your disposal. If you travel into areas device.
It is recom m ended to use only brake should be changed every 4000 km / fluid approved by MERCEDES-BENZ. 2500 miles. Routine Maintenance The coolant should be checked for...
(smoke, exhaust lubricated with hydraulic oil (check em issions), or during w inter opera w ith your local MERCEDES-BENZ tion. dealership fo r recom m ended brands). You should check your vehicle from...
MB car-care products at autom atic car wash — in particular lated road film on the windshield and every MERCEDES-BENZ dealer. improve wiping ability, a cap of MB one of the older installations — auto sham poo can be added to the rewipe the recessed sections prov...
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— fo r example, by using a hair dryer. If in doubt, please consult your Ornamental Moldings Upholstery authorized MERCEDES-BENZ dealer. (Chrome-Plated, Aluminium) Leather: Wipe leather upholstery with For regular cleaning and care of very a damp cloth and dry thoroughly.
Practical Hints Removing rear seat head restraints: Safety Head Restraints Pull head restraint up until detent is Removing head restraints of front felt. Then pull it out sharply using both seats: hands. Bring the electrically adjustable head Installing head restraints: restraint to its highest position.
Practical Hints Ash trays To remove rear ash tray: Rear Seat Cushion Push the ash tray down while opening Removal, front: Removal: Press unlocking buttons 1 and remove. Pull ash tray out to the stop, lift up (left and right) outw ards while slightly To install ash tray: insert and remove.
Practical Hints Bleeding the Fuel System Note: Turning off Engine Manually If the engine continues operating in A com pletely bled fuel system is Disengage prim er pump handle prior steering lock position “ 0 ” , open hood imperative fo r perfect engine opera to operating it (turn co u n te rclo ck ...
Wheels Tires Changing Wheels Wheels, Tires 1st inspection. Retightening is also Slowly leaking air (e.g. due to a nail in necessary when new wheels are fitted the tire) may cause damage to the tire Replace w heels or tires w ith the same such as tread separation.
Wheels Tires Changing Wheels 4. Using the com bination wrench, 8. Remove wheel. loosen but do not yet remove the 9. A djust the jack to allow the wheel wheel bolts. to be slipped on w ithout being 5. Clean jack supporting tube, if lifted.
Wheels Tires Changing Wheels Tire Inflation Pressure Example: Tire tem perature and pressure in crease with the vehicle speed. Tire Room tem perature = approx. A table (see fuel filler flap or last pressure should therefore only be + 20° C /+ 6 8 ° F page) lists the tire inflation pressures corrected on cold tires.
Checking Fuels Coolants Lubricants etc. The vehicle should be Wipe d ipstick before any oil level parked on level ground and measurement. To determ ine the oil the oil level m ust be som e level, check both sides of the where betw een the lower dipstick.
Checking Fuels Coolants Lubricants etc. Warning! Do not remove pressure cap on coolant reservoir if engine tem pera ture is above 90° C/194° F. Allow engine to cool down before removing cap. The coolant reservoir contains hot water and is under pressure. Using a rag, turn cap to firs t notch to relieve excess pressure.
Checking Fuels Coolants Lubricants etc. The fluid level in the transm ission is dependent upon its tem perature. The maximum and minimum fluid level marks on the dipstick are applicable references only if the transm ission fluid has reached its normal operating tem perature of 80°...
Electrical System Headlamp Unit 6 Securing screw fo r cover of Headlamp Adjustment sealed-beam unit and fog lamp C orrect headlamp adjustm ent is Headlamp vertical adjusting screw 7 Sealed-beam unit fo r high and extrem ely important. Check and read Headlamp horizontal adjusting low beam ju st headlamps at regular intervals...
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Electrical System Replacing Bulbs: Bulbs fo r turn signal, standing, side marker and parking lamps (21 /5 W / 32/3 cp): Turn lamp holder with bulb to the left and remove. Depress bulb, turn to the 9 4 52 left and take out. Sealed-beam unit fo r high and low beam (Sealed-beam/Halogen): Loosen securing screw (5) and pull...
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Electrical System 9187 9679 Glove Compartment Lamp Interior Lamps (10 W festoon lamp) Sun Visor Lamp (5 W festoon lamp) (5 W festoon lamp) To replace the bulb, lift o ff fro n t lamp To replace a bulb, pry off the cover by To replace the bulb, pull out lamp.
Electrical System Fuse arrangem ent in the box — starting at the engine side and proceeding outwards — RH row: odd num bers 1 ,3 ,5 , etc. up to 13; LH row: even num bers 2 ,4 ,6 , etc.
Electrical System Warning! Battery Coat battery terminal clamps with acidproof grease. Keep battery clean Battery fluid contains sulfuric acid. Check fluid level in each cell approxi and dry. Dot not allow this fluid to com e in mately every fo u r weeks, and more The service life of the battery is also contact with eyes, skin, or clothing.
Windshield Wipers Emergency Operation of Sliding Roof Unlocking the Fuel Filler Flap In order to renew or release frozen w indshield wiper blades, the w in d shield wiper arms can be pulled out of their recess by hand. Sufficient force must be applied to overcom e spring resistance.
Tow-starting and Towing the Vehicle Jump Starting If the battery is discharged, the Instructions: engine can be started with jum per A discharged battery can freeze at cables (minimum cable cross section approx. - 10° C /+ 14° F. In all cases is 25 mm2) and the (12 V) battery of it m ust be thawed out before jum per another vehicle.
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Tow-starting and Towing the Vehicle Warning! It is im portant to allow the engine to Towing a Vehicle idle fo r at least 1 minute before When the engine is not running, both The vehicle may be tow ed with all of starting o ff because the preglowing the service brake and the steering are the wheels on the ground and the...
Identification Plates When ordering spare parts, please quote chassis and engine numbers. Emission C ontrol Tag Information Tag California version Vacuum line routing 1 Certification Tag Chassis No. fo r emission con trol system (left door pillar) Engine No. Identification Tag Emission C ontrol Tag Body No.
Data card No. 1 bears the key num ber and should never be left in the vehicle. Subm it this card to your authorized MERCEDES-BENZ dealer to request a replacement key in case o f loss. Data card No. 2 bears no key data and is kept in the Maintenance Booklet.
Power s te e rin g ......12.5 x 1145 mm 12.5 x 925 mm A ir conditioning ...... The quoted data apply only to the standard vehicle. See an authorized MERCEDES-BENZ dealer fo r the corresponding data of all special bodies and special equipment.
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Technical Data Main Dimensions Electrical System Overall vehicle length 5145 mm/202.6 in 1 4 V /6 5 A A lte r n a to r ... Overall vehicle w idth 1820 m m / 71.7 in Starter m otor . . . 12 V/2.3 kW Overall height ..
A utom atic transm ission fluid for Autom atic transm ission autom atic transm ission2 California Initial fill: 7.1 I/7.5 US qt version Fluid change: 6.0 I/6.3 US qt Any authorized MERCEDES-BENZ dealer will advise you on recom m ended brands.
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12.51/3.3 US gal including a reserve of W -F -8 0 0 a grades 1 and 2 C oolant1 Cooling system 12.5 1/13.2 US qt 1 Any authorized MERCEDES-BENZ dealer will advise you on recom m ended brands.
’s efficiency. The brake fluid m ust therefore be replaced annually, preferably in the spring. It is recom m ended to use only brake fluid approved by MERCEDES- BENZ. Y our MERCEDES-BENZ dealer will provide you with additional inform a tion. >...
Fuels Coolants Lubricants etc. Diesel Fuels To avoid m alfunctions, No. 2-D diesel Adding of kerosene to No. 1-D diesel fuel of a lowered cloud point is fuel is not recom m ended even at low Use only comm ercially available vehi marketed during the cold season.
(by increasing mended fo r use in your car: MB anticorrosion/antifreeze should the boiling point). MERCEDES-BENZ A n tico rro sio n/ be used to bring it up to the proper Antifreeze Agent. The cooling system was filled at the...
Service Literature C ustom ers who are interested in ordering service literature for their vehicles are advised to contact our subsidiaries in the U.S. or Canada at the follow ing addresses, respectively fo r U .S.A.: M ercedes-B enz o f N.A. Inc. One M ercedes Drive P.O.
Consumer Information This has been prepared as required of Uniform Tire Quality Grading Temperature “ A ” . “ B ” , “ C ” all manufacturers of passenger cars The tem perature grades of “ A ” (the Relevant tire grade inform ation on tire under Title 49, Code of U.S.
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Consumer Information Vehicle Stopping Distance This figure indicates braking perform ance that can be met or exceeded by the vehicles to which it applies, under different conditions of loading and with partial failures of the braking system. The inform ation presented represents results obtainable by skilled drivers under controlled road and vehicle conditions, and the inform ation may not be correct under other conditions.
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P rin te d in G erm an y 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 copy ing, even of excerpts, is not perm itted without our prior authorization in writing. ZKD/9.84.10/PVL...
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What You Should Know at the Gas Station • Coolant: For normal replenishm ent, use water • Fuel: Diesel fuels acc. to ASTM D 975, grades 1 and 2 as well as W -F -800a grades 1 and 2. See page 95. (potable w ater quality).
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D a im le r-B e n z AG S tu ttg a rt-U n te rtu e rk h e im Z e n tra lk u n d e n d ie n s t...
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