2007 - 2009 Mercedes Benz W221 S Class BK Style Rear Bumper

Transform the rear profile of your Mercedes-Benz S-Class with this BK Style rear bumper. Designed for the W221 chassis, this complete replacement bumper adds a more aggressive, performance-inspired appearance while preserving the sedan’s refined luxury character.

The sculpted BK Style design creates greater definition across the lower rear fascia and integrates matching exhaust tips for a cohesive, sport-oriented finish. Its pronounced contours give the S-Class a more purposeful road presence while complementing the factory trunk, quarter panels, and rear lighting.

Available in FRP and PCF material options, this rear bumper supports paint-matched and partial carbon fiber configurations. Designed for compatible 2007-2009 Mercedes-Benz S-Class W221 models, each package includes one brand-new BK Style rear bumper with exhaust tips.

Product Specifications

Key Features

• BK Style replacement rear bumper designed for compatible Mercedes-Benz S-Class models
• Compatible with listed W221 Sedan applications
• Creates a more aggressive and performance-inspired rear profile
• Includes integrated exhaust tips for a complete visual transformation
• Adds greater definition across the lower rear fascia
• Available in FRP and PCF material options
• Supports paint-matched and partial carbon fiber configurations
• Designed to complement the factory trunk, taillights, and quarter panels
• Suitable for replacing a damaged bumper or completing a custom exterior build
• Supplied brand new with part number 3199BK

Configuration Options

• FRP: Fiberglass-reinforced plastic construction supplied in a paint-ready finish
• PCF: Partial carbon fiber configuration generally combining an FRP bumper structure with carbon fiber detailing on selected visible areas

Package Includes

• One BK Style rear bumper
• Integrated exhaust tips

Note: Confirm the vehicle’s chassis, production year, factory rear bumper design, exhaust layout, parking sensor configuration, and surrounding bodywork before ordering. Grilles, reflectors, parking sensors, brackets, wiring, impact supports, exhaust piping, and mounting hardware may require transfer, modification, or separate purchase unless otherwise specified.

Installation

• Designed as a replacement for the compatible factory rear bumper
• Professional bodywork, preparation, painting, and installation are strongly recommended
• Test fit the bumper before drilling, trimming, refinishing, or completing final installation
• Prepare, sand, prime, and paint FRP surfaces before final mounting
• Transfer compatible factory brackets, sensors, reflectors, wiring, and hardware as required
• Exhaust piping may require modification to align correctly with the included exhaust tips
• Minor drilling, trimming, sanding, filling, or panel alignment adjustments may be necessary
• Confirm consistent panel gaps around the quarter panels, trunk, and taillights
• Verify parking sensor operation, exhaust clearance, and secure mounting before driving
• Inspect all attachment points after the initial installation period

Fitment

• 2007-2009 Mercedes-Benz S-Class Sedan W221
• Verify compatibility with the vehicle’s factory rear bumper, parking sensors, and exhaust configuration before ordering

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.