2017 Renault Kadjar diesel: common problems and MOT failures
What MOT testers find on the diesel Renault Kadjar first registered in 2017 (diesel cars only): we looked at the 26,785 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2017 Renault Kadjar diesel?
Parts flagged at MOT more often on the 2017 Renault Kadjar diesel than on all cars registered in 2017.
- Brake pads1.6× usualRenault Kadjar17.7% All 2017 cars10.9%
Failed outright at MOT: 4%, against 2.2% of all 2017 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
- Headlights5× usualRenault Kadjar5.5% All 2017 cars1.1%
Failed outright at MOT: 5.4%, against 1% of all 2017 cars. The rest were advisories or minor defects.
Rough price £40–£400 our estimateAt the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.
- Ball joint dust cover5.2× usualRenault Kadjar4.7% All 2017 cars0.9%
Failed outright at MOT: 1.3%, against 0.4% of all 2017 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
- Number plate lights2.5× usualRenault Kadjar4.9% All 2017 cars2%
Failed outright at MOT: 1%, against 0.6% of all 2017 cars. The rest were advisories or minor defects.
Rough price £5–£40 our estimateAt the viewing: Check the number plate lights work and the plates are clean and legal.
- Track rod ends2.4× usualRenault Kadjar3.3% All 2017 cars1.4%
Failed outright at MOT: 0.8%, against 0.6% of all 2017 cars. The rest were advisories or minor defects.
Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanicAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
Common 2017 Renault Kadjar diesel MOT failures and advisories
The share of 2017 Renault Kadjar diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres33% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Brakes26% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Suspension16% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics15% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Wipers, windscreen and mirrors6% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Seats and seatbelts4% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
Known faults on the 2017 Renault Kadjar diesel
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- Cars built up to July 2018
Child lock recall (built up to July 2018)
Over 45,000 Kadjars built up to July 2018 were recalled in August 2020 because the rear child locks could be faulty.
At the viewing: Test that the rear child locks work. Confirm with a Renault dealer, using the VIN, that the recall has been done.
Source: Auto Express: used Renault Kadjar Mk1 (2015-date) review
- Early cars (recalls issued 2016-2017)
Airbag, seatbelt and brake servo recalls
Early cars were recalled for side airbags that might not inflate properly (April 2016 and again September 2017), a seatbelt fault (April 2016) and a possible brake servo failure (January 2016). The source doesn't give build dates for these.
At the viewing: Run the VIN through a Renault dealer or the DVSA recall checker. Make sure the airbag light goes out after start-up and the brake pedal feels firm.
Source: Auto Express: used Renault Kadjar Mk1 (2015-date) review
- All engines
Flat 12V battery and beeping alarm
The battery can run down, especially if the car isn't used much, and the alarm beeps when charge is low. Faulty tilt sensors can also set it off.
At the viewing: Make sure the car starts easily and the alarm isn't beeping. Ask how old the battery is.
Source: Auto Express: used Renault Kadjar Mk1 (2015-date) review
- All engines
Infotainment glitches
Some owners report problems with Bluetooth and sat-nav, and What Car? also mentions small infotainment faults.
At the viewing: Pair your phone, run the sat-nav, and check every screen function works. Make sure gear changes are smooth.
Source: Auto Express: used Renault Kadjar Mk1 (2015-date) review, What Car?: used Renault Kadjar 2015-2022 reliability
Questions to ask the seller before buying a 2017 Renault Kadjar diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the child door lock recall been done?
- Have all the airbag, seatbelt and brake servo recalls been carried out?
- Any recent work on the brake pads? (Flagged at MOT 1.6× as often on the 2017 Renault Kadjar diesel as on other cars the same age.)
- Any recent work on the headlights? (Flagged at MOT 5× as often on the 2017 Renault Kadjar diesel as on other cars the same age.)
- Any recent work on the ball joint dust cover? (Flagged at MOT 5.2× as often on the 2017 Renault Kadjar diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Renault Kadjar?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Renault Kadjar compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2022 | 700 | Tyres 19% |
| 2021 | 3,156 | Tyres 24% |
| 2020 | 24,064 | Tyres 31% |
| 2019 | 34,689 | Tyres 34% |
| 2018 | 32,521 | Tyres 33% |
| 2016 | 56,640 | Tyres 33% |
| 2015 | 9,022 | Tyres 34% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Renault Kadjar cars first registered in 2017. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score