Used Mercedes-Benz S-Class Curtain Airbag

Yes, curtain airbags (also called side curtain or head airbags) are fitted to the Mercedes-Benz S-Class across multiple generations, typically deploying from the roofline above the side windows to protect occupants' heads in a side impact. All modern S-Class generations are well-equipped with them as standard safety equipment. If you're unsure whether your specific car was built with curtain airbags, check your owner's manual or confirm with a breaker quoting against your registration.

No — the W220 (1998–2005) and W221 (2005–2013) are completely different generations with different body structures, roofline profiles and SRS systems, so curtain airbags are not interchangeable between them. You must source a curtain airbag from the correct generation to match your car. Always confirm compatibility with the breaker against your exact registration before purchasing.

The W221 ran from 2005 to 2013 with a facelift introduced in 2009, and while the overall body shell is closely related, whether curtain airbag modules are interchangeable across that facelift boundary is something you should confirm with the breaker against your registration, as SRS system updates can affect module compatibility. The generation match (W221 to W221) is the right starting point. Do not assume a pre-2009 unit will plug straight into a post-2009 car without verification.

For curtain airbags, trim level is generally not the primary fitment factor — the generation and door count matter most, and the S-Class is available as a standard wheelbase or long-wheelbase (L) model, so you should confirm which body length your car is. AMG and higher trims share the same fundamental body structure as standard trims on the S-Class. That said, always confirm airbag module compatibility with the breaker against your registration, as SRS system variants can differ in ways that aren't immediately obvious.

Yes, this matters — curtain airbags are side-specific, with a nearside (passenger/left) and offside (driver/right) unit, and they are not interchangeable. When contacting a breaker, make sure you specify clearly which side you need. Double-check by looking at the label on the existing airbag or consulting your vehicle's manual.

Curtain airbags are safety-critical components and should always be fitted by a qualified professional — incorrect installation could mean the airbag fails to deploy properly in a collision, or deploys unexpectedly. Like all airbags, they are single-use items that cannot be reused once deployed, and a used unit sourced from a breaker must be undeployed and in good condition. A professional will also need to reset or replace the SRS control module and clear any fault codes after fitting.