NHTSA Service Bulletin 10170256: 2012-2016 Bentley Bentayga
Official manufacturer communication context for 2012-2016 Bentley Bentayga, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Service info: Engine oil Specific oil type and oil consumption dealer reference Customer statement / workshop findings: Engine oil level requires top up between services Technical background: The introduction of the Bentley Continental GT V8 brings a new engine to the Bentley family. This all new 4.0 litre V8 twin turbo joins the 6.0 litre W12 in the Continental range with the 6.75 litre V8 reserved for the Mulsanne. Each of these three engines had individual design criteria producing unique driving characteristics as a result each have individual lubrication requirements and oil consumption statistics. With the 4.0 litre V8 comes a new oil to Bentley - this new engine lubricant must only be used in the 4.0 litre V8. The use of the correct oil for each engine is critical to its continued performance, reliability and ultimately warranty. Therefor the workshop manual should always be the first point of reference ensuring the correct lubricant is used for each specific model year and engine type
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 10170256?
Service info: Engine oil Specific oil type and oil consumption dealer reference Customer statement / workshop findings: Engine oil level requires top up between services Technical background: The introduction of the Bentley Continental GT V8 brings a new engine to the Bentley family. This all new 4.0 litre V8 twin turbo joins the 6.0 litre W12 in the Continental range with the 6.75 litre V8 reserved for the.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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