Chrysler 300 Maintenance Plans

The Chrysler 300 spans multiple generations from 2004-2023, with maintenance needs that vary by engine and fuel type. Use the selectors on this page to match your exact 300 year and engine so the service intervals and operations reflect your vehicle.

Select your Chrysler model below to view the online service schedule for your specific engine.

2 models covered

Model Year Range Engines covered Fuel
300 2004-2011 2004-2011 2.7 V6 Petrol (EER), 2.7 V6 Petrol (EES), 3.0 V6 CRD Diesel (EXL (642.982)), 3.5 V6, -LPG LPG,Petrol (EGG), 5.7 V8 HEMI Petrol (EZB), 5.7 V8 HEMI VVT MDS Petrol (EZH), 6.1 V8 SRT-8 Petrol (ESF) Diesel, LPG, Petrol
300 2011-2023 2011-2023 3.0 CRD V6 Diesel (EXF), 3.6 V6 Petrol (ERB), 6.4 V8 SRT-8 Petrol (ESG), 6.4 V8 SRT-8 Petrol (ESG) Diesel, Petrol

Servicing by engine type

Petrol Chrysler 300 servicing (V6 and V8)

Petrol Chrysler 300 engines range from V6 units like the 2.7 and 3.6 to V8s including 5.7 HEMI and 6.1/6.4 SRT-8, so service requirements can differ with capacity and performance level. Oil change intervals can vary widely by version and use, so follow the schedule shown for your selected engine rather than assuming one fixed distance or time. Keep on top of ignition and air-intake maintenance, as misfires and rough running are often linked to worn spark plugs or degraded coils on higher-mileage petrol setups. Cooling system condition matters on larger engines, so address leaks early and maintain the correct coolant level and condition.

Diesel Chrysler 300 servicing (CRD)

Diesel Chrysler 300 models use CRD V6 engines such as the 3.0 CRD, and routine servicing focuses heavily on oil quality and filtration. Because oil change schedules can span a broad range depending on the exact engine and service regime, rely on the interval displayed for your selected 300 version. Pay attention to EGR and DPF health, especially if the car does lots of short trips, as soot-loading issues can develop and trigger driveability symptoms. Intake hoses, intercooler pipework and vacuum lines are also worth regular inspection on turbo diesels to prevent boost leaks and underperformance.

LPG Chrysler 300 servicing

Some Chrysler 300 versions were offered with LPG alongside petrol operation, such as the 3.5 V6 LPG/Petrol setup, and maintenance needs depend on whether the system is factory-fit or converted. LPG operation can be sensitive to ignition condition, so it is important to keep spark plugs and coils in good order to avoid misfires under load. Follow the oil service interval shown for your chosen engine, and ensure any LPG-specific filters and system checks are carried out to the correct schedule. If you notice hesitation, hard starting or inconsistent running when switching fuels, it is worth checking for air leaks and verifying LPG system calibration.

Common service operations for Chrysler

The operations shown are typical for the Chrysler 300 across its model range, but the correct cadence depends on the generation, engine and fuel system fitted. Once you select your version, you will see the most relevant intervals and checks for that configuration.

Operation Typical interval Notes
Oil and filter changeSee selector aboveVaries by engine and recommended oil grade
Air filter30,000 to 60,000 kmMore often in urban or dusty driving
Cabin filter15,000 to 30,000 km or 1 yearAffects air conditioning and air quality
Brake fluid2 years (all models)Regardless of mileage
CoolantPer manufacturer (typically 5 years or 100,000 km)Check level and condition (colour, deposits) at every service
Front brake padsDepending on use (typically 30,000 to 60,000 km)Wear depends on driving style and load carried
Timing beltSee selector aboveInterval varies widely by engine
Spark plugs (petrol)30,000 to 60,000 kmPetrol engines only

Chrysler electronic diagnostics

If the engine management light comes on, an OBD2 scan can help pinpoint the system at fault before you replace parts. Use our fault-code guide at /pages/fault-codes-obd-car-chrysler-300 to look up stored DTCs and understand whether they relate to emissions, ignition, fuel delivery, boost control, EGR or DPF operation. Codes often indicate a circuit or performance issue rather than a single failed component, so confirm symptoms and carry out basic checks like wiring, vacuum leaks and sensor connections.

What the Chrysler manual covers

Service interval data is most useful when you can follow it with the correct method, tightening torques and step-by-step access instructions. A Haynes repair manual helps you carry out Chrysler 300 jobs properly, from routine oil and filter changes to brake disc and pad replacement and cooling system work. It also provides diagrams, specifications and component locations that can vary between the 2004-2011 and 2011-2023 cars and between V6 and V8 engines. Select your exact 300 to make sure the procedures and specs match your vehicle.

Chrysler manual