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1982 Mercedes-Benz SL oil type, capacity & maintenance

3.8L V8 (380SL) · RWD
Typical for 1981–1985 · confirm in manual
All listed trims share these maintenance parts.
These are the typical specs for 1981–1985 models. Engine options varied, so confirm in your owner's manual or with a VIN fit check at checkout.

Your oil change shopping list

Everything for one DIY oil change
107qtEngine oilSAE 15W-40 or 20W-50 (temperature chart) · R107 with filterBuy on Amazon
1Oil filterMatch by VINBuy on Amazon

Parts & fluids for the 1982 SL, by area of the car

Each part shows when it's due and who should do it: DIY · EasyDIY · ModerateMechanicDealer or specialist

EngineOil, filters, tune-up and belts11 items
Engine oilSAE 15W-40 or 20W-50 (temperature chart)R107 with filter. Look for API SF on the label. Typical for 1981–1985 models with the 3.8L V8 (380SL). This engine has a flat-tappet camshaft: use an oil with extra zinc (ZDDP), such as a classic-car or high-mileage formula, or add a zinc additive.
WhenEvery 5,000 mi or every 6 months
DIY · EasyBuy on Amazon
Oil filterMatch by VINThe filter changed between engines in these years. Use the store's fit check with your VIN to get the right one.
WhenEvery oil change
DIY · EasyBuy on Amazon
Drain plugInspect, new gasketFit a new drain plug gasket or washer if yours is flattened or nicked.
WhenEvery oil change
DIY · EasyBuy on Amazon
Engine air filterFits 1982 SLUsually a 5-minute job: unclip the airbox lid and swap the panel. Replace sooner on dusty roads.
WhenEvery 15,000 mi
DIY · EasyBuy on Amazon
Spark plugsFits 1982 SLOn many V6, V8 and flat engines the rear plugs sit under the intake, so it's a shop job.
WhenEvery 30,000 mi
MechanicBuy on Amazon
Drive belts (V-belts)Fan, alternator & accessory belts, fits 1982 Mercedes-Benz SLCheck the tension: about 1/2 inch of deflection midway between pulleys. Squealing on startup means it's loose or glazed.
WhenInspect every 12,000 mi; replace every 3–4 years or if cracked
DIY · ModerateBuy on Amazon
Distributor cap & rotorFits 1982 Mercedes-Benz SLCracks or burned contacts cause misfires, especially in wet weather.
WhenEvery 30,000 mi
DIY · ModerateBuy on Amazon
Spark plug wiresFits 1982 Mercedes-Benz SLReplace one wire at a time so the firing order stays right.
WhenEvery 30,000–50,000 mi, or if cracked
DIY · ModerateBuy on Amazon
Fuel filterFits 1982 Mercedes-Benz SLOlder cars have a serviceable inline or carburetor-inlet filter. Relieve fuel pressure first on injected engines.
WhenEvery 30,000 mi
DIY · ModerateBuy on Amazon
PCV valveFits 1982 Mercedes-Benz SLA cheap part that keeps crankcase pressure and oil leaks down.
WhenEvery 30,000 mi
DIY · EasyBuy on Amazon
Timing chainNo scheduled replacementA rattle on cold start can mean a worn chain or tensioner; have a mechanic check it.
WhenLasts the life of the engine with regular oil changes
Mechanic
BrakesPads, shoes, rotors and fluid3 items
Brake padsFront & rear sets, fits 1982 Mercedes-Benz SLReplace when pads are down to about 3 mm, or if you hear squealing or grinding.
WhenInspect at every tire rotation; typically 30,000–70,000 mi
DIY · ModerateBuy on Amazon
Brake rotorsFront & rear, fits 1982 Mercedes-Benz SLVibration in the pedal when braking usually means warped rotors.
WhenReplace with pads if below minimum thickness or warped
DIY · ModerateBuy on Amazon
Brake fluidDOT 3Brake fluid absorbs water over time, which lowers its boiling point. A shop flush takes about 30 minutes.
WhenEvery 2 years
MechanicBuy on Amazon
Cooling systemCoolant and hoses2 items
Engine coolantConventional green coolant, mixed 50/50Never mix coolant types. Top up only with the same type, and only when the engine is cold.
WhenEvery 2 years or 30,000 mi
MechanicBuy on Amazon
Radiator & heater hosesFits 1982 Mercedes-Benz SLSqueeze them when the engine is cold. Spongy or cracked hoses should be replaced.
WhenInspect every 30,000 mi; replace if soft, swollen or leaking
MechanicBuy on Amazon
Transmission & drivetrainFluids for the gearbox and axles1 item
Transmission fluidDexronMany newer transmissions have no dipstick. A shop drain-and-fill is the safe route.
WhenEvery 25,000–30,000 mi, with a new pan filter
MechanicBuy on Amazon
Electrical & lightingBattery and bulbs2 items
BatteryGroup size per your car, fits 1982 Mercedes-Benz SLMost parts stores test and install batteries for free.
WhenTest yearly after 3 years; most last 3–5 years
DIY · ModerateBuy on Amazon
Headlight & brake light bulbsFits 1982 Mercedes-Benz SLCheck bulb sizes in your manual. LED headlights are usually a full-assembly repair.
WhenWhen one burns out (replace in pairs)
DIY · EasyBuy on Amazon
Steering, suspension & tiresRide, handling and tire life3 items
Tire rotationFront-to-rear swapMost tire shops rotate for free if you bought the tires there.
WhenEvery 7,500 mi
DIY · Moderate
Wheel alignment4-wheel alignmentIf the steering wheel is off-center or the car pulls, get it aligned.
WhenCheck yearly, or after hitting a big pothole
Mechanic
Shocks & strutsFits 1982 Mercedes-Benz SLBouncing, nose-diving under braking or uneven tire wear are the signs.
WhenInspect at 50,000 mi; typically replaced at 75,000–100,000 mi
MechanicBuy on Amazon
Wipers & washerSee clearly2 items
Wiper bladesDriver & passenger, fits 1982 Mercedes-Benz SLReplace when they streak, chatter or skip.
WhenEvery 6–12 months
DIY · EasyBuy on Amazon
Washer fluidAll-season or de-icerUse de-icer fluid in winter where it freezes.
WhenTop up as needed
DIY · EasyBuy on Amazon

Owner's manual for the 1982 Mercedes-Benz SL

Amazon fit lists aren't always perfect. Your owner's manual has the exact fluids, capacities and part specs for your car, so check it before you buy.

Printed owner's manual on Amazon →Original and reprint manuals for the 1982 Mercedes-Benz SL.Classic manuals at Faxon Auto Literature →Original and reprint literature for older cars.Mercedes-Benz's owner site (newer years only) →Free manuals there start around 2012, so your year may not be listed.

Every 5,000 miles: what's due

Pick your mileage to see what comes due at that service.

5,000 miles 1 item
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
10,000 miles 2 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
15,000 miles 3 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
  • Engine air filterAirbox or air cleaner on top of the engine · every 15,000 mi
    Shop part →
20,000 miles 1 item
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
25,000 miles 2 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
30,000 miles 7 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
  • Engine air filterAirbox or air cleaner on top of the engine · every 15,000 mi
    Shop part →
  • Spark plugsPlus cap & rotor if it has a distributor · every 30,000 mi
    Shop part →
  • Fuel filterInline or at the carburetor inlet · every 30,000 mi
    Shop part →
  • PCV valveQuick and cheap · every 30,000 mi
    Shop part →
  • Transmission fluid & filterDrain the pan, new filter and gasket · every 30,000 mi
35,000 miles 1 item
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
40,000 miles 2 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
45,000 miles 3 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
  • Engine air filterAirbox or air cleaner on top of the engine · every 15,000 mi
    Shop part →
50,000 miles 1 item
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
55,000 miles 2 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
60,000 miles 7 items
  • Oil & oil filter changeOr every 6 months · every 5,000 mi
    Shop part →
  • Rotate & inspect tiresCheck brake wear while the wheels are off · every 7,500 mi
  • Engine air filterAirbox or air cleaner on top of the engine · every 15,000 mi
    Shop part →
  • Spark plugsPlus cap & rotor if it has a distributor · every 30,000 mi
    Shop part →
  • Fuel filterInline or at the carburetor inlet · every 30,000 mi
    Shop part →
  • PCV valveQuick and cheap · every 30,000 mi
    Shop part →
  • Transmission fluid & filterDrain the pan, new filter and gasket · every 30,000 mi

Other years: 1981 SL · 1983 SL · All SL years

Oil grade and capacity are checked against published lubricant application data where marked verified; part numbers and intervals follow Mercedes-Benz's maintenance schedule. Severe use (towing, short trips, dusty roads) shortens some intervals. Confirm the part number against your VIN at checkout. Read the full disclaimer

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