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Land Rover Defender L663 common problems: what to check before you buy

Credov's researched list of the 2 faults the Land Rover Defender L663 is known for, 2 of them serious or costly. Each one says what to look for when you check the car, so you can spot it before you buy. Not every car has these faults: they are the ones worth checking on this model.

Known problems on the Land Rover Defender L663

MHEV DC-DC converter fails

Safety risk

D200, D250, D300, D350 · Electrical

What to look for: At start-up and on the drive, watch the dash for a 'Stop safely', electrical fault or charging warning.

Why it matters: This fault can leave the car unable to restart, and because it can happen with very little use, service history alone will not rule it out. Replacement parts have reportedly been on back-order for weeks, so a car already showing the fault could be off the road for some time.

Sources: 1 2 3

Front air spring leak

Costly if missed

What to look for: Before the car is started, check the front ride height against the rear and side to side after it has stood overnight.

Why it matters: A leaking air spring rarely fixes itself and usually means replacing struts in pairs, plus a compressor that has been overworking for a while may also need replacing. One documented case had this fault present even after a main dealer's multi-point check, so a buyer check matters regardless of dealer history.

Sources: 1 2 3

Got a question about a Land Rover Defender L663? Ask Credov: a noise, a warning light, a part or how to fix it.

Also check on every car

On top of the faults above, every Credov inspection covers the basics: fuel smell, leaks or filler rust, engine oil leaks, power steering fluid leak, drive belt cracks or squeal, rust underneath: chassis and mounts, engine mounts, engine oil level and colour, coolant level, colour and leaks, head gasket failure signs, cold start: rattle, knock or smoke, rough or hunting idle, engine running hot on gauge, gearbox or diff oil leak, swapped gearbox without lvv and more.

Other Land Rover models

Researched by Credov from manufacturer recalls and service bulletins, owner reports and workshop sources. Repair prices are typical ranges, not quotes. See also fault codes and repair costs.