Quick Reference
96 ft-lb
Lug Nut Torque
33-36 PSI
Tire Pressure
5.8-8.5 qt
Oil Capacity
17mm
Lug Nut Socket
Mercedes-Benz C-Class Tire Pressure (PSI)
Recommended tire pressure for Mercedes-Benz C-Class models. Always verify with door jamb sticker as it varies by tire size and load.
| Year Range | Model | Front PSI | Rear PSI | Sport PSI |
|---|---|---|---|---|
| 2022-2024 | C300 (W206) | 33 | 33 | 36/36 |
| 2022-2024 | C43 AMG | 36 | 36 | 39/39 |
| 2022-2024 | C63 AMG | 36 | 39 | 39/42 |
| 2015-2021 | C300 (W205) | 33 | 33 | 36/36 |
| 2015-2021 | C43 AMG | 35 | 36 | 38/39 |
| 2015-2021 | C63 AMG | 35 | 38 | 38/41 |
| 2008-2014 | C250/C300 (W204) | 33 | 33 | 36/36 |
| 2008-2014 | C63 AMG | 35 | 38 | 38/41 |
AMG Note: Sport PSI is for performance driving. C-Class uses TPMS (Tire Pressure Monitoring System). Many models have staggered tire sizes (different front/rear), always verify your specific configuration.
Mercedes-Benz C-Class Lug Nut Torque Specs
| Year Range | Model | Torque (ft-lb) | Torque (Nm) | Socket Size |
|---|---|---|---|---|
| 2022-2024 | C300 | 96 | 130 | 17mm |
| 2022-2024 | C43/C63 AMG | 96 | 130 | 17mm |
| 2015-2021 | C300 | 96 | 130 | 17mm |
| 2015-2021 | C43/C63 AMG | 96 | 130 | 17mm |
| 2008-2014 | All C-Class | 96 | 130 | 17mm |
Torque Pattern: Use a star pattern. Mercedes uses locking lug bolts (not nuts). Tighten in 2-3 stages (40, 70, 96 ft-lb). Re-torque after 50 miles. Some AMG models use different bolt patterns.
Mercedes-Benz C-Class Oil Capacity
| Year | Engine | Capacity (qt) | Capacity (L) | Oil Type |
|---|---|---|---|---|
| 2022-2024 | 2.0L Turbo (C300) | 5.8 | 5.5 | 0W-20 |
| 2022-2024 | 2.0L Turbo AMG (C43) | 6.9 | 6.5 | 0W-40 |
| 2022-2024 | 4.0L V8 (C63 AMG) | 8.5 | 8.0 | 0W-40 |
| 2019-2021 | 2.0L Turbo (C300) | 5.8 | 5.5 | 0W-20 |
| 2019-2021 | 3.0L V6 (C43 AMG) | 7.4 | 7.0 | 0W-40 |
| 2019-2021 | 4.0L V8 (C63 AMG) | 8.5 | 8.0 | 0W-40 |
| 2015-2018 | 2.0L Turbo (C300) | 5.8 | 5.5 | 0W-40 |
| 2015-2018 | 3.0L V6 (C43 AMG) | 7.4 | 7.0 | 0W-40 |
| 2015-2018 | 4.0L V8 (C63 AMG) | 8.5 | 8.0 | 0W-40 |
| 2008-2014 | 1.8L Turbo (C250) | 6.9 | 6.5 | 0W-40 |
| 2008-2014 | 3.0L V6 (C300) | 8.5 | 8.0 | 0W-40 |
| 2008-2014 | 6.2L V8 (C63 AMG) | 8.5 | 8.0 | 0W-40 |
Mercedes Note: Requires MB 229.5 (or higher) specification oil. Use only approved synthetic oil. Capacity includes filter. C-Class has electronic oil level sensor, check via instrument cluster.
Mercedes-Benz C-Class Transmission Fluid
| Year | Transmission | Capacity (qt) | Fluid Type | Service Interval |
|---|---|---|---|---|
| 2022-2024 | 9G-Tronic 9-Speed | 8.5 | MB 236.17 | 80,000 mi |
| 2019-2021 | 9G-Tronic 9-Speed | 8.5 | MB 236.17 | 80,000 mi |
| 2015-2018 | 7G-Tronic 7-Speed | 8.0 | MB 236.14 | 80,000 mi |
| 2015-2021 | AMG Speedshift MCT 7-Speed | 8.5 | MB 236.15 | 40,000 mi |
| 2008-2014 | 7G-Tronic 7-Speed | 8.0 | MB 236.14 | 80,000 mi |
AMG Note: AMG models with MCT (Multi-Clutch Technology) require more frequent fluid changes. Use only MB-approved ATF. Some C-Class transmissions are "sealed" but Mercedes now recommends service at 80k miles.
C-Class Maintenance Intervals
Mercedes Flexible Service System (FSS)
| Service | Interval | Notes |
|---|---|---|
| Oil Change (Service A) | 10,000 mi / 1 year | Oil, filter, inspections |
| Major Service (Service B) | 20,000 mi / 2 year | All Service A + additional items |
| Brake Fluid | 2 years | Regardless of mileage |
| Air Filter | Service B intervals | Or as needed |
| Cabin Filter | 20,000 mi | More often in dusty areas |
| Spark Plugs | 60,000 mi | AMG: 40,000 mi |
Service System: Mercedes uses an intelligent FSS that calculates service needs based on driving conditions. Follow ASSYST indicators on instrument cluster.
Additional C-Class Specs
Spark Plug Specs
| Engine | Torque (ft-lb) | Gap | Replacement |
|---|---|---|---|
| 2.0L Turbo (2015+) | 18 | Pre-gapped | 60,000 mi |
| 3.0L V6 | 15 | Pre-gapped | 60,000 mi |
| 4.0L V8 AMG | 15 | Pre-gapped | 40,000 mi |
Other Torque Specs
| Component | Torque (ft-lb) |
|---|---|
| Oil Drain Plug | 22-26 |
| Oil Filter Housing | 18 |
Maintenance Guides for Your Mercedes C Class
Step-by-step guides for common maintenance tasks on your Mercedes C Class.
Check Tire Pressure
Maintain optimal PSI for safety and fuel economy
Torque Lug Nuts Properly
Avoid damage with correct torque specs
Change Your Oil
Complete DIY oil change guide with tools needed
Rotate Your Tires
Extend tire life with proper rotation patterns
Check Transmission Fluid
Ensure smooth shifting and transmission health
Test Your Battery
Prevent dead batteries with regular testing
More Guides: Visit our complete how-to guide library for brake repairs, electrical system diagnostics, seasonal maintenance, and more.
Recommended Tools & Parts for Mercedes C-Class Maintenance
Essential tools and parts for maintaining your Mercedes C-Class. As an Amazon Associate, we earn from qualifying purchases.
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