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Ford Mustang S550 common problems: what to check before you buy

Credov's researched list of the 2 faults the Ford Mustang S550 is known for (2015–2016), 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 Ford Mustang S550

Battery cable touching the exhaust

Safety risk

2015–2016 · 5.0 Coyote V8 · petrol · Electrical

What to look for: Look with a torch where the battery cable passes the exhaust manifold for melted, hardened or rubbed insulation.

Why it matters: Engine-bay fire.

Sources: 1 2

Seat belt anchor cable rusts

Safety risk

2015–2017 · petrol · Interior and air con

What to look for: Feel the front carpets for damp and look with a torch at each front belt floor anchor for rusted cable.

Why it matters: A corroded pretensioner cable can let the belt fail to hold an occupant in a crash.

Sources: 1

Got a question about a Ford Mustang S550? 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 Ford 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.