Product Details

BC Racing RM Series Coilovers for the 2020-2026 Mercedes-Benz GLB Class 4Matic (X247) are built around an inverted mono-tube damper, putting the larger-diameter body at the top of the strut for greater bending stiffness under load. It is the choice for cars that see serious track time.

The inverted design reduces stiction and improves damper stability under high cornering loads. Ride height stays adjustable independent of spring preload, and Swift Springs or custom valving can be specified at checkout.

BC Racing has been manufacturing adjustable coilovers since 2004 and is one of the most popular coilover brands in the automotive tuning industry for a reason: competitive pricing, deep customization, proven reliability, and a fully rebuildable damper design. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts, and in-house tech support from both BC Racing and the Springrates team.

Features

  • 30-level simultaneous compression/rebound damping adjuster
  • Inverted mono-tube damper for greater bending stiffness
  • Ride height adjustable independent of spring preload
  • Upper mount hardware varies by chassis. See the Specifications table for what is 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, with replacement parts available from BC for the life of the shock
  • 2-year manufacturer warranty against defects
Specifications
Part Number J-59-RM
Part Name RM Series Coilovers
Vehicle 2020-2026 Mercedes-Benz GLB Class 4Matic
Drivetrain AWD
Chassis Code X247
Spring Rate - Front 7 kg/mm
Spring Rate - Rear 6.5 kg/mm
Ride-Height Adjustable Yes
Vehicle Fitment
  • 2020 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2021 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2022 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2023 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2024 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2025 Mercedes-Benz GLB Class 4Matic AWD (X247)
  • 2026 Mercedes-Benz GLB Class 4Matic AWD (X247)

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