SMART fortwo coupe Maintenance Booklet page 15

For the first time after 20,000 miles, then regularly every 40,000 miles
Engine coolant: Check fill level and antifreeze protection and correct if necessary
Every 30,000 miles
Replace spark plugs
Every 4 years or after 40,000 miles
Replace coolant
For the first time after 60,000 miles, then regularly at each maintenance
Remove brake drums and check adjusting mechanism of drum brake for damage as well
as boots of wheel brake cylinder for leaks
Every 60,000 miles
Check valve clearance, set if necessary
Replace poly‑V‑belt(s)
G
WARNING
Please make sure you read the technical documentation, such
as the Operator's Manual and workshop information, before
carrying out any maintenance work.
Additional work
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