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
|
Has this Mitsubishi Asx been serviced on schedule?
Check the dealer service records to see if the work above was actually done.
£6.99 · Full refund if no records found
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
|
Buying a used Mitsubishi Asx? Check its service history first.
A Asx with a patchy service history can cost you thousands in missed timing belts, skipped oil changes, and hidden neglect. We pull the franchised dealer records — every visit, every stamp, every mileage reading — so you can see exactly what's been done and what's been skipped.
£6.99 · No records found = full refund, zero risk
Related
- Mitsubishi Asx buyer's guide
- Mitsubishi Asx service history check
- Mitsubishi Asx common problems & known issues
- Mitsubishi Asx MOT failure rates
- Mitsubishi Asx price guide
- How to check Mitsubishi service history
- Mitsubishi Asx car check £7.49
- Free Mitsubishi Asx faults check
- Free MOT failure rate check
- Free car check
- What does "full service history" actually mean?
- How service history affects car values
Mitsubishi Asx service FAQs
How often does a Mitsubishi Asx need servicing?
A Mitsubishi Asx needs servicing every 12,500 miles or 1 year, whichever comes first. Manufacturer specifies 12,500 miles or 12 months.
What does a Mitsubishi Asx service cost?
A basic service at an independent garage costs £80–£120. Main dealer servicing runs £120–£180. Major items like timing belts or gearbox services cost significantly more. Independent garages are typically 30 to 50% cheaper for the same work.
Is a Mitsubishi Asx expensive to maintain?
Routine servicing starts from £80 at an independent garage, which is about average for this class of car. The bigger costs come from periodic items like timing belts, brake fluid changes, and transmission servicing. Keeping on top of the schedule avoids expensive failures.
How do I check a Mitsubishi Asx's service history?
You can check any Mitsubishi Asx's official dealer service records online using just the registration number. The check retrieves every logged dealer visit, including dates, mileage, and work done, so you can see whether the schedule has been followed or if there are gaps. It costs £6.99 and you get a full refund if no records are found.