BodyMedium
Corrosion around the arches on older cars
Body & corrosion repair£250–£1,800
Inspect · Probe the arches and door bottoms
2015–2022 Mazda CX-3 · common fault repair costs
What the known faults on this Mazda CX-3 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £250–£1,800
- Top three risks, from
- £1,200
- Worst case, everything
- £9,850
The single priciest documented job on the 2015–2022 Mazda CX-3 is body & corrosion repair at £250–£1,800. Few cars need every repair listed here · treat £2,480–£9,850 as the full exposure if one arrived with all of them.
Cost per fault
ExhaustHigh
DPF blockage on short journey diesels
DPF forced regen or replacement£250–£1,600
Inspect · Run to full temperature and check for warnings
Climate ControlMedium
A/C blows warm air due to condenser failure from stone damage or internal corrosion.
Clutch & dual-mass flywheel£700–£1,600
Inspect · Turn A/C to maximum cold. Check if the compressor clutch engages and vents blow ice cold within 60 seconds. Shine a torch through the lower front grille to check the condenser fins for oily residue or heavy stone damage.
TransmissionMedium
Notchy shifting or difficulty engaging 1st and 2nd gear on manual models, indicating premature synchro wear.
Clutch & dual-mass flywheel£700–£1,600
Inspect · With the engine running and clutch fully depressed, cycle the gear stick from 1st to 2nd gear several times. Feel for excessive mechanical resistance, crunching, or a baulking sensation compared to selecting 3rd or 4th gear.
Interior ElectronicsMedium
MZD Connect infotainment screen suffers from 'ghost touch' or visible delamination under the glass.
Infotainment repair or software fix£120–£1,200
Inspect · Turn on the ignition and leave the screen on the navigation map without touching the rotary dial. Watch for erratic, unprompted menu changes. Inspect the screen surface at an angle for spiderweb-like crazing or bubbling.
SuspensionLow
Bush wear from firm ride and larger wheels
Suspension refresh (per axle)£250–£1,100
Inspect · Listen for knocks over speed bumps
Exterior ElectricalLow
Power folding wing mirrors fail to retract or emit a continuous grinding noise due to stripped internal plastic gears.
Door / window mechanism£130–£600
Inspect · Lock and unlock the vehicle using the key fob to trigger the auto-fold function. Listen closely to both wing mirrors for clicking or grinding noises, ensuring both sides fully extend and retract in unison.
EngineLow
Carbon build up on Skyactiv-G petrol
Minor repair or adjustment£80–£350
Inspect · Check idle quality and stored codes
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Mazda CX-3 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.