MercedesC3002020Overview/mercedes/c300/2020/base/

2020 Mercedes C300

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 C300.

Model year20252020

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 2701800109. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Tire sizeCoupe & Cabriolet: Front: 225/45R18/XL 95H, Rear: 245/40R18/XL 97H; Sedan: 225/50R17 94HOEM · verified
Wheel / rimCoupe & Cabriolet: Front: 7.5, Rear: 8.5; Sedan: 7. Optional Coupe, Cabriolet & Sedan: Front: 7.5, Rear: 8.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter2701800109
Engine air filter2640940100
Spark plug0001590500
Battery0019828108 alt 0019828008
Front wiper blades2058204503
Thermostat2642003901
Cabin air filter1668300218

Diagrams

Power distribution wiring8 sheets

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length184.6 in
Overall width71.3 in
Overall height55.1 in
Wheelbase111.8 in
Curb weight3979 lb
Track (front / rear)61.4 / 61 in

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.39 lbs
Oil GroupPAG
Oil Type46
Oil Capacity2.80 oz

Brakes

Brake Caliper Bolt to Carrier TorqueFront: 26.0 ft-lbs; Rear: 18.0 ft-lbs
ABS Sensor TorqueFront: 6.0; Rear: 6.0
Vented Rotor Minimum Thickness for ReplacementFront: 1.181; Rear: .764; Front: 1.157; Rear: .406

Multi-step torque procedures OEM · verified

Cylinder Head — tightening sequence 2 stages
1Bolts 1-107.4 ft. lbs
614.8

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific C300. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Fuse box & wiring diagrams

Interactive fuse-box and wiring references for this vehicle, searchable by circuit.

Reference guides

Cross-vehicle references for the kinds of data on this page.