Product Details
BC Racing BR Series Coilovers for the 2007-2013 Mercedes-Benz S-Class (W221) are BC Racing's entry-level coilover and the most popular kit in their entire lineup — they offer the most accessible entry into adjustable coilover suspension without sacrificing performance, comfort, build quality, or handling. Every kit is extensively tested on the S-Class W221 chassis and refined until it balances ride quality with performance — the reason S-Class coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.
Every BR Series kit is built around a mono-tube damper with simultaneous compression and rebound adjustment at every corner — a wide damping range without the complexity of a race-only setup. Ride height is fully adjustable independent of spring preload, so you set the stance and the ride separately. The off-the-shelf setup from BC Racing is deliberately balanced — spring rates and valving chosen so the kit feels comfortable day-to-day without giving up performance when you push it. Drivers who want a different recipe can spec Swift Springs, custom spring rates, or fully custom valving at checkout; BC will tune the dampers to match, which is a depth of customization most brands only offer on their top-tier kits.
Since 2004, BC Racing has grown into one of the most trusted names in aftermarket coilovers — not by racing to the bottom on price, but by pairing that price with real build quality, deep customization options, and a damper design any suspension shop can rebuild instead of replacing. These S-Class coilovers arrive tuned for the W221 chassis and ready to bolt in — no break-in period, no guessing at setup. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts (pistons, seals, shafts — no unit replacement required when it's time for a rebuild), and in-house tech support from both BC Racing and the Springrates team.
Features
- 30-level simultaneous compression/rebound damping adjuster
- Mono-tube damper with linear piston and hardened chrome shaft
- Ride height adjustable independent of spring preload
- Upper mount hardware varies by chassis — camber plates, pillowball, or reused OEM mounts. See the Specifications table for what's included on your kit.
- Swift Spring and custom spring rate upgrades available at checkout
- Custom damper valving paired with custom spring rates on request
- Fully rebuildable — replacement parts available from BC for the life of the shock
- 2-year manufacturer warranty against defects
Specifications
| Part Number | J-39-BR |
| Part Name | BR Series Coilovers |
| Vehicle | 2007-2013 Mercedes-Benz S-Class RWD (W221) |
| Drivetrain | RWD |
| Chassis Code | W221 |
| Damping Adjustment | 1-Way (30 levels) |
| Ride-Height Adjustable | Yes |
| Spring Rate - Front | 10 kg/mm |
| Spring Rate - Rear | 8 kg/mm |
| Spring Size - Front | 62-280-10K |
| Spring Size - Rear | 62-300-8K |
| Swift Springs - Front | 62-254-X |
| Swift Springs - Rear | 62-254-X |
| Camber Plates - Front | Not Applicable |
| Camber Plates - Rear | Not Applicable |
| Suspension Design - Front | True Coilover |
| Suspension Design - Rear | True Coilover |
Vehicle Fitment
- 2007 Mercedes-Benz S-Class RWD (W221)
- 2008 Mercedes-Benz S-Class RWD (W221)
- 2009 Mercedes-Benz S-Class RWD (W221)
- 2010 Mercedes-Benz S-Class RWD (W221)
- 2011 Mercedes-Benz S-Class RWD (W221)
- 2012 Mercedes-Benz S-Class RWD (W221)
- 2013 Mercedes-Benz S-Class RWD (W221)