2021 Mercedes-Benz C300 Tune-Up Parts
77 parts listed for your 2021 Mercedes-Benz C300 for a complete tune-up. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 1-2 hours.
Air Filters
(12)primary
Pronto
Part # PA99568
AIR FILTER
- Type
- Engine
$19.42
Hengst
Part # E1625L
Air filter insert
- Type
- Engine
$33.48
Hengst
Part # E3900LB
Biofunctional Cabin Air Filter
- Type
- Engine
$39.43
Corteco
Part # 80004550
Cabin Air Filter
- Type
- Engine
$18.21
Hengst
Part # E3900LI
Cabin Air Filter
- Type
- Engine
$18.33
Denso
Part # 453-6119
Cabin Air Filter
- Type
- Engine
$22.44
Corteco
Part # 80005252
Cabin Air Filter
- Type
- Engine
$50.04
Beck Arnley
Part # 042-2255
CABIN AIR FILTER
- Type
- Engine
$20.10
Fuel Injectors
(4)companion
Fluids & Additives
(61)consumable
K&N
Part # HP-7051
K&N 13-23 Mercedes-Benz CLA250 2.0L L4 OIL FILTER
$22.24
LIQUI MOLY
Part # 2329
LIQUI MOLY 1L Top Tec 4100 Motor Oil SAE 5W40
$80.54
LIQUI MOLY
Part # 22120
LIQUI MOLY 1L Top Tec 4110 Motor Oil SAE 5W40
$66.69
LIQUI MOLY
Part # 2004
LIQUI MOLY 1L Top Tec 4200 New Generation Motor Oil SAE 5W30
$22.84
LIQUI MOLY
Part # 22156
LIQUI MOLY 1L Top Tec 4210 Motor Oil SAE 0W30
$77.17
LIQUI MOLY
Part # 20446
LIQUI MOLY 1L Top Tec 4600 Motor Oil SAE 5W30
$78.39
LIQUI MOLY
Part # 22239
LIQUI MOLY 1L Top Tec 6100 Motor Oil SAE 0W30
$93.72
LIQUI MOLY
Part # 22044
LIQUI MOLY 1L Top Tec 6600 Motor Oil SAE 0W20
$61.64
Tune-Up for Other Mercedes-Benz C300 Years
Other Jobs for Your 2021 Mercedes-Benz C300
Frequently Asked Questions
What parts do I need for a tune-up on my 2021 Mercedes-Benz C300?
A complete tune-up on the 2021 Mercedes-Benz C300 typically requires air filters, fuel injectors, fluids & additives. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a tune-up take on a 2021 Mercedes-Benz C300?
A tune-up typically takes 1-2 hours and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a tune-up myself?
Yes! A tune-up is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 2021 Mercedes-Benz C300?
These parts are listed for the 2021 Mercedes-Benz C300 using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make tune-up parts for the 2021 Mercedes-Benz C300?
We carry tune-up parts from trusted brands including Pronto, Hengst, Corteco, Denso, and Beck Arnley. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2021 Mercedes-Benz C300?
The cost of a tune-up for the 2021 Mercedes-Benz C300 depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.