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1998 Mercedes-Benz S-Class oil type, capacity & maintenance
3.2L I6 (300SE/S320), 4.2L / 5.0L V8 (S420/S500) or 6.0L V12 (S600) · RWDTypical for 1992–1999 · confirm in manual
All listed trims share these maintenance parts.
These are the typical specs for 1992–1999 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 change140qtEngine oilSAE 10W-40 or 5W-30 synthetic (temperature chart) · W140; I6 ~7.4 qt with filterBuy on Amazon
Parts & fluids for the 1998 S-Class, by area of the car
Each part shows when it's due and who should do it: DIY · EasyDIY · ModerateMechanicDealer or specialist
EngineOil, filters, plugs and belts7 items
Engine oilSAE 10W-40 or 5W-30 synthetic (temperature chart)W140; I6 ~7.4 qt with filter. Look for MB 229.1 / API SH/SJ on the label. Typical for 1992–1999 models with the 3.2L I6 (300SE/S320), 4.2L / 5.0L V8 (S420/S500) or 6.0L V12 (S600).
WhenEvery 10,000 mi
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 1998 S-ClassUsually a 5-minute job: unclip the airbox lid and swap the panel. Replace sooner on dusty roads.
WhenEvery 40,000 mi
DIY · EasyBuy on Amazon
Spark plugsFits 1998 S-ClassOn many V6, V8 and flat engines the rear plugs sit under the intake, so it's a shop job.
WhenAbout every 60,000 mi
MechanicBuy on Amazon
Serpentine (drive) beltFits 1998 Mercedes-Benz S-ClassCheck for cracks, glazing or missing chunks. Replace the tensioner if it's noisy.
WhenInspect at 60,000 mi; replace if cracked or squealing (typically 90,000–100,000 mi)
DIY · ModerateBuy 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 1998 Mercedes-Benz S-ClassReplace 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 1998 Mercedes-Benz S-ClassVibration in the pedal when braking usually means warped rotors.
WhenReplace with pads if below minimum thickness or warped
DIY · ModerateBuy on Amazon
Brake fluidDOT 4 Plus (MB 331.0)Brake fluid absorbs water over time, which lowers its boiling point. A shop flush takes about 30 minutes.
WhenEvery 2 years, regardless of miles
MechanicBuy on Amazon
Cooling systemCoolant and hoses2 items
Engine coolantMercedes MB 325.0 coolant (blue-green)Never mix coolant types. Top up only with the same type, and only when the engine is cold.
WhenEvery 15 yrs or 150,000 mi on newer models
MechanicBuy on Amazon
Radiator & heater hosesFits 1998 Mercedes-Benz S-ClassSqueeze 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 fluidMercedes MB 236.17 ATF (9G-Tronic)Many European transmissions are sealed with no dipstick and need a scan tool to check level. Use a dealer or specialist.
WhenAt 60,000 mi or per your Service B schedule
Dealer or specialistBuy on Amazon
Heating & A/CWhat you breathe inside1 item
Cabin air filterFits 1998 S-ClassUsually behind the glovebox. A charcoal filter also cuts odors.
WhenEvery 20,000 mi
DIY · EasyBuy on Amazon
Electrical & lightingBattery and bulbs2 items
BatteryGroup size per your car, fits 1998 Mercedes-Benz S-ClassMost 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 1998 Mercedes-Benz S-ClassCheck 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 10,000 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 1998 Mercedes-Benz S-ClassBouncing, 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 1998 Mercedes-Benz S-ClassReplace 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 1998 Mercedes-Benz S-Class
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.
Every 10,000 miles: what's due
Pick your mileage to see what comes due at that service.
10,000 miles 2 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
20,000 miles 3 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
- Cabin air filterUsually behind the glovebox · every 20,000 miShop part →
30,000 miles 2 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
40,000 miles 4 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
- Cabin air filterUsually behind the glovebox · every 20,000 miShop part →
- Engine air filterAirbox under the hood · every 40,000 miShop part →
50,000 miles 2 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
60,000 miles 3 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
- Cabin air filterUsually behind the glovebox · every 20,000 miShop part →
70,000 miles 2 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
80,000 miles 4 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
- Cabin air filterUsually behind the glovebox · every 20,000 miShop part →
- Engine air filterAirbox under the hood · every 40,000 miShop part →
90,000 miles 2 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
100,000 miles 3 items
- Oil & oil filter changePlus a new drain plug gasket or washer · every 10,000 miShop part →
- Rotate & inspect tiresAt Service A / B · every 10,000 mi
- Cabin air filterUsually behind the glovebox · every 20,000 miShop part →
Other years: 1997 S-Class · 1999 S-Class · All S-Class 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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