Mercedes-Benz 420 SEL 1988 Owner'S Manual Download Page 62

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Summary of Contents for 420 SEL 1988

Page 1: ...Owner s Manual 420 SEL 560 SEL 560 SEC Vl f 0...

Page 2: ...ded inflation pressures remove unnecessary loads remove ski racks or roof mounted luggage racks when not in use allow engine to warm up under low load use avoid frequent acceleration and deceleration...

Page 3: ...Owner s Manual 420 SEL 560 SEL 560 SEC Model 126 1988...

Page 4: ...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 copying even of excerpts is not permitted without our prio...

Page 5: ...ars of service Your MERCEDES BENZ represents the efforts of many skilled engineers and craftsmen To ensure your pleasure of ownership we ask you to make a small investment of your time Please read thi...

Page 6: ...ission System Warranty Emission Performance Warranty California Emission Control System Warranty California Only 4 Maintenance The Maintenance Booklet describes all the necessary maintenance work whic...

Page 7: ...u plan to operate your vehicle in foreign countries please be aware that unleaded fuels for vehicles with catalytic converters may not be available the use of leaded fuels will damage the catalysts fu...

Page 8: ...ons herein may vary slightly from the actual equipment ofyour vehicle If there are any equipment details that are not shown or described in this Owner s Manual your authorized MERCEDES BENZ dealer wil...

Page 9: ...Instruments and Controls Starting the Engine Driving Instructions Service and Maintenance Operation Driving Practical Hints Technical Data Fuels Coolants Lubricants etc Consumer Information Index...

Page 10: ...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 A of maximum per missible speed in each gear Avoid accelerati...

Page 11: ...ving Instructions Service and Maintenance Instruments and Controls 10 Instrument Cluster 12 Indicator Lamp Symbols 13 Catalytic Converter Cautions 14 Starting and Turning off the Engine 15 Driving Ins...

Page 12: ...e 22 14 Rear window defroster switch page 49 10 15 Air recirculation switch page 22 16 Hazard warning flasher system switch 17 Automatic antenna switch page 59 18 Rear passenger compartment lamp switc...

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

Page 14: ...See page 67 4 Fuel gauge with reserve warning lamp yellow See page 67 5 Oil pressure gauge bar See page 66 6 Turn signal indicator lamp left green 7 Speedometer 8 Main odometer 9 Trip odometer 10 Out...

Page 15: ...olant level low See page 67 Fluid level for windshield and headlamp washer system low See page 67 Exterior light failure See page 67 ABS malfunction See page 69 SRS CHECK ENGINE SRS malfunction See pa...

Page 16: ...nstructions as outlined in your maintenance booklet Caution To prevent damage to the catalytic converters use only premium un leaded gasoline in this vehicle Should any noticeable irregularities in th...

Page 17: ...tor is depressed slowly at the beginning of the starting pro cess Turning off Turn the key in steering lock to posi tion 0 and only remove the key when the vehicle has stopped If the coolant temperatu...

Page 18: ...pproximately 50 km h 30 mph on a dry straight road Apply brake lightly until a slight drag on the wheels is felt Keep applying brake for about 10 seconds while pulling the release handle out before re...

Page 19: ...ning 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 and apply brakes cautiously in the rain Tire trac...

Page 20: ...braking and steering action Do not use the cruise control system under such conditions When the vehicle is in danger of skid ding move selector lever to position N Try to keep the vehicle under contro...

Page 21: ...t may be necessary to carry out prescribed maintenance jobs at shorter intervals for example Engine Oil change with filter change every 6000 km 3750 miles Automatic transmission Fluid change without f...

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Page 23: ...justing Power Seats Rear 35 Adjusting Individual Rear Seats 36 Adjusting Telescoping Steering Column 36 Operation Supplemental Restraint System SRS Seat Belts Emergency Tensioning Retractors Driver Ai...

Page 24: ...interior will be automatically controlled This is accomplished with the temperature selector 1 the pushbuttons 2 and the fan control buttons 3 The adjustable air outlets 7 and 8 can be variably opened...

Page 25: ...Recirculation Pressing the symbol side of the air recirculation switch causes air to be recirculated without addi tional fresh air and the red indicator lamp to light up After a while the air recircu...

Page 26: ...the heating mode warm air is primarily directed to the footwells and to the adjustable air outlets 8 and 9 Enough air is supplied to the windshield to keep the glass defogged in normal weather condit...

Page 27: ...the wind shield foot area air outlets 8 and 9 and to the ducts in the front doors Additionally air may be emitted periodically from outlets 7 depending on the interior temperature In the cooling mode...

Page 28: ...ir is directed to the windshield and adjustable air outlets 9 independent of the positions of the temperature selector and fan control buttons Q off The fresh air supply to the car interior is shut of...

Page 29: ...th the master key Flat Key The flat key with a red dot fits all vehicle locks Arms disarms the anti theft alarm system We recommend that you carry the flat key with you and keep it in a safe place so...

Page 30: ...are first pulled up The driver s door can be locked only if it is closed and the door lock has properly engaged Opening the Doors From outside pull handle 1 outwards From inside pull handle 4 in door...

Page 31: ...l come on if a door is opened from the inside Trunk To unlock the trunk with the central locking system turn the master key in the trunk lock completely to the left and let it return to the vertical p...

Page 32: ...tely 150 seconds in the form of blinking exterior lamps At the same time an additional horn will sound intermit tently for 60 seconds pause for 30 seconds and repeat for another 60 seconds The alarm w...

Page 33: ...elts provide the best restraint when the wearer is in an upright position and the belts are properly positioned on the body Storing seat and head restraint posi tions in memory D Memory button E Posit...

Page 34: ...ision Fasten seat belts Infants and small children should be seated in a properly sec ured restraint system that complies with Federal Motor Vehicle Safety Standard 213 All seat head restraint and rea...

Page 35: ...ndard 213 Orthopedic Seat Backrest Some models may be equipped with orthopedic seats These seats have an inflatable air cushion built into the backrest to provide additional lumbar support The amount...

Page 36: ...key in steering lock positions 1 or 2 the rear seat heaters only in steering lock position 2 The switches for the front seats are located at the forward end of the center console those for the rear se...

Page 37: ...nt to support the back of the head approximately at ear level Do not extend the head restraint past the stop For removal of head restraint refer to Practical Hints page 97 Adjusting Power Seats Rear T...

Page 38: ...lination of the seat back is al tered together with the fore aft adjust ment of the seat cushion Adjusting Telescoping Steering Column Turn key to steering lock position 1 or 2 with the driver s or fr...

Page 39: ...use Seat Belt Warning System With the key in steering lock posi tion 2 a warning buzzer sounds for a short time if the driver s seat belt is not fastened When someone enters the car the re minder lam...

Page 40: ...buckled or when resistance to its extension is encountered e g accidental occupant contact If the seat belt is not buckled with in 30 seconds the seat belt exten der will return to its rest position...

Page 41: ...belt is positioned as low on your hips as possible Push latch plate 1 into buckle 2 until it clicks Do not twist the belt but keep it tight For safety reasons avoid adjusting the seat into positions w...

Page 42: ...Position the lap belt as low as possible around the hips not the waist Children are safer when properly restrained in the rear seating positions than in the front seat ing positions Infants and small...

Page 43: ...or undergo a self check crash sensor air bag ignition circuit driver and front passenger seat belt buckles Initially when the key is turned from steering lock position 0 to positions 1 or 2 malfuncti...

Page 44: ...for the Supplemental Restraint System Seat Belts Emergency Tensioning Retractor and Air Bag Warning Damaged belts or belts that were highly stressed in an acci dent must be replaced and their anchorin...

Page 45: ...children should be seated in an infant or child restraint system which is properly secured by a lap belt or lap belt portion of a lap shoulder belt and that complies with U S Federal Motor Vehicle Sa...

Page 46: ...l injury Notes The following items can be operated with the key in steering lock position 1 Wiper windshield washer headlamp cleaning system only in exterior lamp switch positions 1 or 2 headlamp flas...

Page 47: ...icle more visible to passing vehicles The standing lamps can only be oper ated with steering lock in position 0 or 1 Notes With the key removed and the driver s door open a warning buzzer sounds if th...

Page 48: ...hoses and nozzles of the windshield washer and headlamp cleaning system are automatically heated 7 Windshield wiper control 0 Wiper off 1 Intermittent wiping II Normal wiper speed III Fast wiper spee...

Page 49: ...ear To adjust the mirror Turn key in steering lock to position 2 The exterior mirror can be adjusted using the switch Adjust the mirror so you can just see the side of your vehi cle in the portion of...

Page 50: ...hold at knob only Sun Visors Swing sun visors down to protect against sun glare If sunlight enters through a side win dow disengage visor from inner mounting and swing to the side From this position...

Page 51: ...several power consumers are turned on simultaneously or the battery is only partially charged it is possible that the defroster will auto matically turn itself off When this happens the indicator lam...

Page 52: ...ont door contact switches The rear courtesy lamp is switched on and off by the rear door contact switches or by the rocker switch on the instrument panel The reading lamps in the rear passenger compar...

Page 53: ...w Rear Window Warning The shelf below the rear window should not be used to carry ob jects This will prevent such objects from being thrown about and injur ing vehicle occupants during an accident or...

Page 54: ...ng decreasing station frequency 12 Manual tuning D increasing station frequency 13 Cassette track selector with track indicator Q Q 14 Reverse music search rewind with indicator 15 Forward music searc...

Page 55: ...Q and treble B can be adjusted independently To set the radio to a flat tone setting bass and treble at mid range setting briefly press both tone control buttons Q a n d H simultaneous y The tone set...

Page 56: ...n sensitivi ty level This station is held for audi tioning for approx 5 seconds If de sired this station maybe locked in by pressing th e 3 o r fl bar If neith er of the bars is pressed the radio will...

Page 57: ...mes may not give their exact frequency but the next closest whole number US radio frequency ranges AM 540 1600 kHz FM 88 1 107 9 MHz For fine tuning a station or for manual tuning After selecting the...

Page 58: ...e reception quality Although FM is normally static free reception quality can be limited by geographic and atmospheric condi tions station strength and distance from the transmitter Buildings or other...

Page 59: ...ck selector QQQ buttons or by pressing the forward music search fast forward button U Q again after approx 3 seconds To fast forward the tape press the forward music search fast forward button BSSI tw...

Page 60: ...ect button 3 Remove the tape after the motorized loading system has disengaged the cassette The unit will automatically switch from cassette playback to radio operation When the unit is turned off by...

Page 61: ...off position the antenna will not extend or will retract completely The height of the antenna can be adjusted to any intermediate posi tion by actuating the antenna switch If the antenna switch is in...

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Page 63: ...tor Lamp Fuel Reserve Warning Lamp Coolant Temperature Gauge Low Engine Coolant Level Indicator Lamp Low Windshield and Headlamp Washer Fluid Level Indicator Lamp Outside Temperature Indicator Brake P...

Page 64: ...he service brake is applied Do not release the brake until ready to drive The vehicle may otherwise start creep ing when the selector lever is in a drive position Test the brakes briefly after driving...

Page 65: ...ushed towed or tow started Do not engage N while driving except when the vehicle is in danger of skidding e g on icy roads see page 18 D Drive Automatic upshifting to top gear Position D affords optim...

Page 66: ...dients Depending on the degree of the incline shift selector lever to posi tions 3 or 2 early enough to main tain engine RPM within the best torque range Important For brief stops e g at traffic light...

Page 67: ...r ex ample when driving upgrade the cruise control will be cancelled 4 Resume If the lever is briefly pulled to posi tion 4 when driving at a speed ex ceeding approximately 40 km h 25 mph the vehicle...

Page 68: ...position 2 or should it fail to go out after starting or during operation this indicates a fault which must be repaired at an authorized MERCEDES BENZ dealer as soon as possible Oil Pressure Gauge Th...

Page 69: ...n the pressurized cooling system of your vehicle is approx 125 C 257 F see also Fuels Cool ants Lubricants etc During severe operating conditions and stop and go city traffic the cool ant temperature...

Page 70: ...above freezing point do not guarantee that the road surface is free of ice Brake Pad Wear Indicator Lamp The brake pad wear indicator lamp in the instrument cluster comes on when the key is turned to...

Page 71: ...ltage falls below 10 volts the indicator lamp comes on and the ABS is switched off When the voltage is above this value again the indicator lamp should go out and the ABS will be operational If the AB...

Page 72: ...reas such as a garage which are not properly ventilated If you think that exhaust gas fumes are enter ing the vehicle while driving have the cause determined and correc ted immediately If you must dri...

Page 73: ...he premixed windshield washer sol vent which is formulated for below freezing temperatures see page 46 Test battery Battery capacity drops with decreasing ambient temperature A well charged battery en...

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Page 75: ...nging Wheels 81 Tire Inflation Pressure 82 Battery 83 Headlamp Adjustment 84 Replacing Bulbs 84 Practical Hints Fuses Spark Plugs Emergency Operation of Sliding Roof Manual Release of Fuel Filler Flap...

Page 76: ...hood only with wipers in the parked position To close Close hood by depressing it firmly To help prevent personal injury stay clear of moving parts when the hood is open and the engine is run ning Be...

Page 77: ...sition To help prevent personal injury stay clear of moving parts when the hood is open and the engine is run ning Be sure the hood is properly closed before driving The engine is equipped with a tran...

Page 78: ...B anticorro sion antifreeze should be used Checking Coolant Level Use extreme caution when opening the hood if there are any signs of steam or coolant leaking from the cooling system Do not remove pre...

Page 79: ...the engine and wait a few minutes for the oil to drain back to the oil pan Wipe the dipstick clean before checking 0 Add oil if needed only to the upper mark max Do not overfill the engine For viscosi...

Page 80: ...impurity may cause operational troubles The fluid level in the transmission is dependent upon its temperature The maximum and minimum oil level marks on the dipstick are applicable references only if...

Page 81: ...re stored in a compartment below the trunk floor 1 Prior to lifting up the cover fold back mats and engage strap 2 in trunk lid To remove the spare tire turn luggage bowl 3 to the left and lift up The...

Page 82: ...0 Nm 80 Ib ft For tire specifications refer to Tech nical Data Rotating wheels The wheels can be rotated according to the degree of tire wear while retain ing the same direction of travel Rotating how...

Page 83: ...ill al ways be vertical plumb line as seen from the side see arrow even on inclines Jack up the vehi cle until the wheel is clear off the ground The jack is designed exclusively for jacking up the veh...

Page 84: ...he varying operating conditions Important Tire pressure differs by approx 0 1 bar 1 5 psi per 10 C 18 F of air temperature change Keep this in mind when checking tire pressure inside a garage especial...

Page 85: ...the battery to last an optimum length of time Therefore we recommend that you have the battery charge checked fre quently if you use the vehicle mostly for short distance trips or if it is not used f...

Page 86: ...lamp horizontal adjustment screw 2 Headlamp vertical adjustment screw 3 420 SEL 560 SEL Fog lamp adjustment screw 4 Plastic nut for housing of turn signal parking side marker and standing lamps 5 High...

Page 87: ...fac ing down and turn clockwise Push electrical connector on securely 420 SEL 560 SEL Fog lamp bulb Halogen type H3 Compress the retaining clip of the cover 6 at the top while removing it upwards Pull...

Page 88: ...bulb carrier To replace the bulbs depress turn to the left and remove High Mounted Stop Lamp 21 W 32 cp bulb To replace the bulb pull tabs on both sides arrows using a screwdriver to release cover Pre...

Page 89: ...in turn it and remove To remove the seat belt reminder lamp bulb 1 2 W located under the front lamp lift off the cover with the outlined symbol and replace the bulb Sun Visor Lamps 5 W bulb To replace...

Page 90: ...s correspond to the ones on the label Before replacing a blown fuse deter mine the cause of the short circuit Spare fuses are furnished inside the fuse box Observe amperage and color of fuse Always us...

Page 91: ...the right side of the trunk while opening the filler flap Windshield Wipers To release frozen windshield wiper blades or to replace worn blades the windshield wiper arms can be pulled out of their rec...

Page 92: ...o prevent the wiper arms from slipping back in to their parked position recess Press safety tabs 1 and slide wiper blade towards the wiper arm base 2 Lift wiper arm and remove wiper blade Installation...

Page 93: ...ngine Touch the accelerator only when the engine starts running As soon as the engine has started im mediately return selector lever to N If the engine fails to fire within a few seconds return the se...

Page 94: ...hicle Make sure the cables are not on or near pulleys fans or other parts that will move when the engine is started 5 Start engine of the vehicle with the charged battery and run at high idle Then sta...

Page 95: ...he under side of the car A prerequisite for a thorough check is a washing of the underbody followed by a thorough in spection Damaged areas need to be re undercoated Your vehicle has been treated at t...

Page 96: ...n the inner sides of the wheels Tar Stains Quickly remove tar stains before they dry and become more difficult to re move MB tar remover is recommen ded Window Cleaning Wiper Blades Use a window clean...

Page 97: ...sult your authorized MERCEDES BENZ dealer Paintwork Painted Body Components MB Gloss Preserver should be ap plied when water drops on the paint surface do not bead up normally in 3 5 months depending...

Page 98: ...ray Position ashtray squarely and push in Luggage or Ski Racks We recommend the use of drip rail mounted ski and roof racks These racks do not require additional supports suction cups or legs Such sup...

Page 99: ...nd push it down to the stop Check if the highest position can be reached by pushing the switch up for approximately 5 seconds Adjust head restraint to the desired position Removing rear seat head rest...

Page 100: ...MERCEDES BENZ dealer Spare Parts Service All authorized MERCEDES BENZ dealers maintain a stock of original spare parts required for maintenance and repair work In addition strategi cally located part...

Page 101: ...00 Theft Prevention 101 Vehicle Data Cards 102 Warranty Coverage 102 Technical Data 420 SEL 103 560 SEL 560 SEC 104 Fuels Coolants Lubricants etc 105 Capacities 105 Engine Oils 107 Brake Fluid 107 Pre...

Page 102: ...d engine numbers 100 1 Certification Tag left door pillar 2 Identification Tag left window post 3 Vehicle Identification No 4 Engine No 5 Body No and Paintwork No 6 Emission Control Tag 560 SEC left s...

Page 103: ...for replace ment instead of the VIN number Note Do not remove these labels These labels are intended for parts identifi cation in case of theft When replac ing parts subject to labeling please make su...

Page 104: ...ms of the warranties printed in the Owner s Service and Warranty Policy Booklet and your authorized MERCEDES BENZ dealer will ex change or repair any defective parts in accordance with the terms of th...

Page 105: ...conditioning 12 5 x 960 mm Air pump 9 5 x 750 mm The quoted data apply only to the standard vehicle See an authorized MERCEDES BENZ dealer for the corresponding data of all special bodies and special...

Page 106: ...heel offset 21 5 mm 0 8 in Summer tires Radial ply tires 205 65 VR 15 Winter tires Radial ply tires 205 65 R 15 93 TM S 104 Electrical System Alternator 14 V 80 A Starter motor 12 V 1 5 kW Battery 12...

Page 107: ...EDES BENZ dealer Fuels Coolants Lubricants etc Capacities Capacity Engine with oil filter 8 0 I 8 5 US qt Automatic transmission Initial fill 8 6 I 9 1 US qt Fluid change 7 7 I 8 1 US qt Fuels coolant...

Page 108: ...ed graphite Brake reservoir approx 0 5 I 0 5 US qt MB Brake fluid DOT4 Windshield washer system and headlamp cleaning system approx 5 0 I 5 3 US qt MB Windshield washer concentrate S 2 Fuel tank inclu...

Page 109: ...k filled only par tially with unleaded regular and fill up with premium unleaded as soon as possible avoid full throttle driving and ab rupt acceleration do not exceed an engine speed of 2000 rpm if t...

Page 110: ...water and MB anticorrosion antifreeze should be used to bring it up to the proper level have cooling system checked for signs of leakage The water in the cooling system must meet minimum requirements...

Page 111: ...stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete A tire marked C may have poor traction performance Warning The traction grade...

Page 112: ...tainable by skilled drivers under controlled road and vehicle conditions and the information may not be correct under other conditions Description of the vehicles to which this table applies 420 SEL 5...

Page 113: ...Index...

Page 114: ...n 109 Coolant level check 76 Coolants 106 108 Coolant temperature gauge 67 Cruise control 65 Deceleration shutoff 66 Doors 28 Driver checks 116 Driving instructions 16 Economical driving indicator ECO...

Page 115: ...Lamps exterior 45 84 85 86 Fog lamps 84 85 Headlamps 84 High mounted stop lamp 86 License plate lamps 86 Switch 45 Taillamps 86 Lamps interior 50 86 87 88 Exit 87 Glove compartment 87 Reading 86 87 Su...

Page 116: ...un visors 48 Supplemental restraint system SRS 37 Technical data 103 104 Theft prevention 101 Tire chains 71 Tire pressure 82 Tires 17 80 109 Tool kit 79 Towing 91 Transmission fluid level check 78 Tr...

Page 117: ...Jersey 07645 Att Technical Publications Tel 201 573 0600 for Canada Mercedes Benz Canada Inc 849 Egiinton Ave East Toronto Ont Canada M4G 2L5 Att Technical Publications Tel 416 425 3550 Telex 065 242...

Page 118: ...every two weeks For details see page 82 3 Battery Add distilled or tap water only see page 83 4 Fluid Level in Automatic Trans mission See page 78 5 Windshield Washer System and Headlamp Cleaning Syst...

Page 119: ...ires normal load maximum load Winter tires bar psi 1 82 262 1 92 272 2 32 332 Coolant For normal replenishment use water potable water quality For further information e g anticorrosion antifreeze refe...

Page 120: ...DAIMLER BENZ AG Stuttgart Untertuerkheim Zentralkundendienst...

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