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Service bulletins for the 2017 Bentley Mulsanne

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

164 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
2080097/22026-07-29. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY. Service info: Conversion of imported vehicles. Technical background: Conversion of a vehicle for use in a market other than the one for which it was originally designed or intended is not supported. Enquiries related to conversions or retrofits of vehicles from (or to) other markets (e.g. reimport from USA or UK) are not supported by Technical Support. Vehicles are developed and constructed according to specific market requirements of the respective destination country. As the compatibility of different components (e.g. control units) cannot be defined comprehensively regarding their mutual dependence and interaction in the case of modifications, and in order to prevent danger or risks due to constructional changes, support or advice regarding these modifications cannot be provided.
2050542/82025-07-08. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY/WIPER. Front Exterior Lighting Steamed Up/Leaks | 12-24MY.
2050542.72023-11-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY. Service info: body/equipment: front exterior lighting steamed up/leaks Customer Statement: -1. The lenses of the headlights (illustration 1a) /front fog lamps (illustration 1b) are steamed up/damp from the inside with minor drips. 2. Water is in the headlight (illustration 2a) / front fog lamp (illustration 2b), big drips.
2050542.62022-12-08. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Body/Equipment: Front exterior lighting steamed up/leaks Customer Statement: -The lenses of the headlights/front fog lamps are steamed up/damp from the inside with minor drips
2050542/52021-10-05. Service bulletin. EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING; EQUIPMENT. Service info: body/equipment: front exterior lighting steamed up/leaks. Customer statement / workshop findings Customer statement: 1. The lenses of the headlights (illustration 1a) /front fog lamps (illustration 1b) are steamed up/damp from the inside with minor drips. or 2. Water is in the headlight (illustration 2a) / front fog lamp (illustration 2b), big drips. Technical background 1. Damp air settles on the inner lens of the headlights/fog lamps, with recognisable misting in certain weather conditions (comparable with the steaming up of spectacle lenses when entering a warm room in winter or of the bathroom mirror after a shower). 2. Leak on the headlights/front fog lamps. For example through open covers, a damaged seal of the cap or similar.
2050542/42020-01-09. Service bulletin. EXTERIOR LIGHTING. Customer statement: 1. The lenses of the headlights (illustration 1a) /front fog lamps (illustration 1b) are steamed up/damp from the inside with minor drips. 2. Water is in the headlight (illustration 2a) / front fog lamp (illustration 2b), big drips. Technical Background 1. Damp air settles on the inner lens of the headlights/fog lamps, with recognisable misting in certain weather conditions (comparable with the steaming up of spectacle lenses when entering a warm room in winter or of the bathroom mirror after a shower). 2. Leak on the headlights/front fog lamps. For example through open covers, a damaged seal of the cap or similar.
2050542.12018-04-23. Service bulletin. EXTERIOR LIGHTING. Service info: body/equipment: front exterior lighting steamed up/leaks

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.