Mitsubishi Asx service: key facts
- Oil service every 12,500 miles or 1 year
- Basic service costs £80–£180 depending on garage
- CVT transmission fluid: £180–£250 — don't skip this one
- 1 generation from 2010 to 2020
- 8 tracked service items across routine, major, and periodic schedules
Routine service items
These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.
| Service item | Interval | Typical cost |
|---|---|---|
|
Engine oil and filter
Manufacturer specifies 12,500 miles or 12 months.
GA
|
12,500 miles or 1 year |
£80–£120
Dealer: £120–£180
|
|
Air filter
Manufacturer interval 25,000 miles or 2 years. Check more frequently in dusty conditions. Clogged air filter affects fuel economy and performance.
GA
|
25,000 miles or 2 years |
£20–£35
Dealer: £35–£60
|
|
Cabin pollen filter
Manufacturer interval 25,000 miles or 2 years. Replace more frequently if air conditioning smells musty or airflow is reduced. Located behind glove box.
GA
|
25,000 miles or 2 years |
£25–£45
Dealer: £40–£70
|
|
Fuel filter
Manufacturer interval 25,000 miles or 2 years for diesel engines. Located in fuel tank as part of sender unit on most variants. Clogged filter causes poor running and fuel starvation.
GA
|
25,000 miles or 2 years |
£120–£180
Dealer: £200–£300
|
Major service items
These are the big-ticket items. Miss them and you risk engine or gearbox damage. The costs are higher but the consequences of skipping are much worse.
| Service item | Interval | Typical cost |
|---|---|---|
|
CVT transmission fluid
Manufacturer claims lifetime fill but specialists recommend 60,000 mile changes.
GA
|
60,000 miles or 5 years |
£180–£250
Dealer: £300–£450
|
Periodic maintenance
Items that don't need doing at every service but should be on your radar at the right mileage or age.
| Service item | Interval | Typical cost |
|---|---|---|
|
Brake fluid
Manufacturer specifies 2 years regardless of mileage. Brake fluid absorbs moisture over time, reducing boiling point and causing corrosion in brake lines. Use DOT 4 specification fluid.
GA
|
2 years |
£60–£90
Dealer: £90–£130
|
|
Coolant flush
Manufacturer interval 50,000 miles or 5 years. Use long-life ethylene glycol coolant meeting MB 325.0 specification. Flush includes radiator, engine block, and heater matrix.
GA
|
50,000 miles or 5 years |
£80–£120
Dealer: £120–£180
|
|
DPF forced regeneration
Diesel particulate filter requires regular regeneration cycles.
GA
|
15,000 miles or 18 months |
£80–£150
Dealer: £150–£250
|
Check a Mitsubishi Asx's service history
Enter a reg to see franchised dealer service records — dates, mileage, and work done at every visit.
Check service history£6.99 · Full refund if no records found
Related
Mitsubishi Asx service FAQs
How often should a Mitsubishi Asx be serviced?
A Mitsubishi Asx should have an oil service every 12,500 miles or 1 year, whichever comes first. Manufacturer specifies 12,500 miles or 12 months.
How much does a Mitsubishi Asx service cost?
A basic service at an independent garage typically costs £80–£120. Main dealer servicing is usually £120–£180. Major items like timing belts or gearbox services cost significantly more.
Can I service a Mitsubishi Asx at an independent garage?
Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.