Carbon build up on Boosterjet petrol
- Typically appears
- 70,000+ miles
- What to inspect
- Cold start and check for lumpy idle

A sensible crossover with a low fault rate and easy servicing costs.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2013–2025 Suzuki S-Cross are Panoramic sunroof mechanism failure and rattling on SZ5 models, Carbon build up on Boosterjet petrol and Rear disc corrosion on low mileage cars. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
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Build the inspection planBased on the documented faults on this page for the Suzuki S-Cross.
Guidance only · reflects reported patterns, not a specific car's condition.
Carbon build up on Boosterjet petrol
Bush wear and knocking on rough roads
Turn these known faults into a step-by-step viewing plan for this exact Suzuki S-Cross · $9.
Build the inspection planInfotainment and camera faults
Rear disc corrosion on low mileage cars
Panoramic sunroof mechanism failure and rattling on SZ5 models
Steering column notchiness or knocking
Keyless entry door handle switch failure
SHVS ISG auxiliary belt tensioner noise on 2020+ models
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Build my inspection planYes, one of the cheapest crossovers to keep on the road.
The Boosterjet petrol with ALLGRIP for value.
Interior wear rather than mechanical faults.
The ALLGRIP system is generally robust, but you must verify the selector dial cycles through Auto, Sport, Snow, and Lock modes without dashboard error messages. Check the rear differential for weeping oil seals and ensure all four tyres have evenly matched tread depths to prevent transmission wind-up.
The 48V Integrated Starter Generator system requires no plug-in charging, but the lithium-ion battery located under the front seat must be kept dry. Ensure the auxiliary drive belt and its specific tensioner are inspected at every service, as the ISG places higher loads on these components during regenerative braking.
The Fiat-sourced 1.6 DDiS is highly susceptible to Diesel Particulate Filter blockages and Exhaust Gas Recirculation valve sticking if used primarily for short, urban trips. Dealers should avoid stocking diesel variants for city-based buyers and always check for hesitation under acceleration or DPF warning lights on the forecourt.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.
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