Mercedes-Benz SL Maintenance Plans

Mercedes-Benz SL maintenance plans vary across the 1989-2001, 2001-2012 and 2012-2020 generations, so the right service schedule depends on the exact model year and engine you select. Use the selector to match your SL and see the most relevant intervals and operations for your car.

Select your Mercedes-Benz model below to view the online service schedule for your specific engine.

3 models covered

Model Year Range Engines covered Fuel
SL 1989-2001 1989-2001 300 SL Petrol (103.984), 300 SL-24 Petrol (104.981) Petrol
SL 2001-2012 2001-2012 300 Petrol (272.949), 350 Petrol (272.966), 350 Petrol (272.968), 350, -LPG LPG,Petrol (112.973), 500, -LPG LPG,Petrol (113.963), 500/550 Petrol (273.965), 55 AMG EVO Petrol (113.995), 55 AMG Kompressor Petrol (113.992), 55 AMG Petrol (113.992), 600 Petrol (275.951), 600 Petrol … LPG, Petrol
SL 2012-2020 2012-2020 350 BlueEFF Petrol (276.954), 400 Petrol (276.825), 400/450 Petrol (276.825), 500/550 BlueEFF Petrol (278.927), 63 AMG Petrol (157.983), 63 AMG Petrol (157.983), 65 AMG V12 Petrol (279.981) Petrol

Servicing by engine type

Petrol Mercedes-Benz SL servicing

Most SL models in this family use petrol V6, V8 and V12 engines, including units such as the 272/273/275/276/278 series and AMG variants like the 55 AMG Kompressor, 63 AMG and 65 AMG V12. Oil service intervals can vary widely by generation and engine, so treat the plan shown for your selection as definitive; typical schedules may call for an oil change anywhere from 10000 to 30000 km, or every 12 to 24 months. Alongside oil and filter work, keep on top of spark plugs, air filtration and cooling system checks, as these directly affect performance and reliability. On higher-output AMG engines, be especially disciplined about correct oil specification, inspection for oil leaks and keeping ancillary drive components in good condition.

LPG Mercedes-Benz SL servicing

A small number of SLs in this family are shown with LPG alongside petrol, such as examples based on the 112 and 113 engine families (including -LPG variants). Because LPG conversions and factory-fit systems can differ, service requirements may include additional checks beyond the standard petrol schedule, particularly for hoses, connections and any vapouriser/regulator components. It is also common for ignition components to be more sensitive on LPG, so following the specified spark plug type and replacement interval for your exact engine is important. Use the selector to confirm the correct service operations for your SL and treat any LPG-system maintenance as an additional layer on top of the base petrol plan.

Common service operations for Mercedes-Benz

The operations listed for the Mercedes-Benz SL are typical scheduled service items, but the exact cadence can change by generation, engine and usage. Always follow the plan shown for your selected SL, especially where a task is time-based as well as distance-based.

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

Mercedes-Benz electronic diagnostics

If an engine management light comes on or the car is running poorly, start with an OBD2 scan and note any stored DTCs before replacing parts. Codes generally group into emissions (catalytic converter, lambda sensor, EVAP), air and fuel metering, misfires and boost-related faults on turbocharged applications. For code lookups and next steps, use our SL fault-code guide: Mercedes-Benz SL OBD fault codes. Clear codes only after repairs and a proper test drive confirms the fix.

What the Mercedes-Benz manual covers

A maintenance plan tells you what to do and when; a Haynes repair manual helps you carry out the work correctly on your Mercedes-Benz SL. It provides step-by-step procedures, tightening torques, fluid specs and component locations that vary between SL generations and engines. This is especially useful for jobs like servicing brakes and fluids, replacing filters and spark plugs, or tracing oil and coolant leaks. Choose the manual that matches your SL’s year and engine so the instructions and specifications align with your car.

Mercedes-Benz manual