Smart Fortwo Maintenance Plans

Smart Fortwo maintenance plans vary across the City Coupe (1998-2007), 2007-2015 and 2015-2025 generations, so use the selector to match your exact year and engine before you rely on any service interval.

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

3 models covered

Model	Year Range	Engines covered	Fuel
Fortwo 2007-2015	2007-2015	0.8 CDi Diesel (660.950), 0.8 CDi DPF Diesel (660.951), 1.0 12V Petrol (132.910 (3B21)), 1.0 12V Petrol (132.910 (3B21)), 1.0 12V Turbo BRABUS Petrol (132.930 (3B21T)), 1.0 12V Turbo BRABUS Petrol (132.930 (3B21T)), 1.0 12V Turbo Petrol (132.930 (3B21T)), Electric Drive Brabus E…	Diesel, Electricity, Petrol
Fortwo 2015-2025	2015-2025	0.9 Brabus Petrol (281.910 (H4B)), 0.9 Petrol (281.910 (H4B)), 1.0 Petrol (281.920 (H4D)), 1.0 Petrol (281.920 (H4D))	Petrol
Fortwo City Coupe 1998-2007	1998-2007	0.6 45 Petrol (160.910), 0.6 55 Petrol (160.910), 0.6 61 Petrol (160.910), 0.6 BRABUS Petrol (160.910), 0.7 50 Petrol (160.920), 0.7 61 Petrol (160.920), 0.7 BRABUS Petrol (160.920), 0.8 CDi Diesel (660.940)	Diesel, Petrol

Servicing by engine type

Smart Fortwo petrol servicing

Fortwo petrol servicing usually centres on regular engine oil and filter changes and the routine checks that go with them, such as leaks, oil level and breather condition. Across engines like the 0.6/0.7 (160.910/160.920), 1.0 (3B21/H4D) and 0.9 (H4B), keep an eye on ignition health (spark plugs and coil performance) and air intake condition, as misfires can quickly trigger an engine management light. Turbo petrol variants (including BRABUS) benefit from strict oil-change discipline and careful inspection of boost hoses and clamps. Always confirm the specified oil grade and the correct spark plug type for your exact engine code.

Smart Fortwo diesel servicing

Fortwo diesel engines such as the 0.8 CDi family (660.94x/660.95x) are sensitive to service history, so stick to the correct oil specification and change intervals. If your diesel has a DPF, driving style matters: frequent short runs can reduce regeneration opportunities, so monitor for rising oil level, poor fuel economy and repeated warning lights. Air and fuel filtration are especially important on diesel, and it is worth checking for boost leaks and EGR-related drivability issues if you notice hesitation or smoke. Use the selector to confirm which emissions equipment applies to your specific CDi version.

Smart Fortwo Electric Drive maintenance

Fortwo Electric Drive models (including Electric Drive and Electric Drive Brabus) have no engine oil service, but they still need routine inspections and fluid checks where fitted. Prioritise tyres, brakes and suspension: EVs can be harder on tyres and, because braking is often regenerative, the friction brakes can suffer from corrosion if they are not used regularly. Have the cooling system (where fitted for battery or power electronics), driveshafts and brake fluid condition checked on schedule. The selector will help you match the correct EV generation so the listed operations reflect your car’s exact layout.

Common service operations for Smart

The operations shown below are typical Smart Fortwo service items, but the exact checklist and cadence depend on the generation, engine family and fuel type you select.

Operation	Typical interval	Notes
Oil and filter change	See selector above	Varies by engine and recommended oil grade
Air filter	30,000 to 60,000 km	More often in urban or dusty driving
Cabin filter	15,000 to 30,000 km or 1 year	Affects air conditioning and air quality
Brake fluid	2 years (all models)	Regardless of mileage
Coolant	Per manufacturer (typically 5 years or 100,000 km)	Check level and condition (colour, deposits) at every service
Front brake pads	Depending on use (typically 30,000 to 60,000 km)	Wear depends on driving style and load carried
Timing belt	See selector above	Interval varies widely by engine
Spark plugs (petrol)	30,000 to 60,000 km	Petrol engines only

Smart electronic diagnostics

If you have a warning light or poor running, an OBD2 scan can point you in the right direction before you book in repairs. Fortwo fault codes group into broad areas like emissions (lambda sensor, catalytic converter, EGR, DPF), air and boost leaks on turbo engines, and electrical or sensor faults. Read more in our guide here: Smart Fortwo OBD fault codes. Always match the code to symptoms and your engine type before replacing parts.