Engine oil
SAE 0W-20 to 5W-40 (several grades listed)
Look for MB 229.5 / 229.71 on the label. Checked for 2019–2021 models with the 2.0L turbo 4-cyl (C 300).
6.3 qt (4MATIC) / 7.0 qt (RWD) with filterReplace: every 10,000 mi
Mercedes-Benz
Your car
2021 Mercedes-Benz C-Class oil type, capacity & maintenance
2.0L turbo 4-cyl (C 300) · FWD or AWD
All listed trims share these maintenance parts.
Your oil change shopping list
Everything for one DIY oil change6.3qtEngine oilSAE 0W-20 to 5W-40 (several grades listed) · 6.3 qt (4MATIC) / 7.0 qt (RWD) with filterBuy on Amazon
Parts & fluids for the 2021 C-Class
Oil filter
Match by VIN
The filter changed between engines in these years. Use the store's fit check with your VIN to get the right one.
1 filterReplace: every oil change
Drain plug
Inspect, new gasket
Fit a new drain plug gasket or washer if yours is flattened or nicked.
Replace: if worn
Engine air filter
Fits 2021 C-Class
Intervals varied by engine in these years. The schedule tab shows typical timing.
Replace: every 40,000 mi
Cabin air filter
Fits 2021 C-Class
Intervals varied by engine in these years. The schedule tab shows typical timing.
Replace: every 20,000 mi
Spark plugs
Fits 2021 C-Class
Intervals varied by engine in these years. The schedule tab shows typical timing.
Replace: about every 60,000 mi
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: 2020 C-Class · 2022 C-Class · All C-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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