FCS 99048 Air Suspension Strut - Front Left
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FCS
 FCS

FCS 99048 Air Suspension Strut - Front Left

Brand FCS 99048
Position Front Left
Compressed Length 23.35
Extended Length 27.87
Stroke Length 4.52
Product line FCS
Fits Mercedes-Benz · 19 vehicles

Air suspension strut. Restores ride support and height control with a direct-fit replacement.

Precision stroke range. 4.52 in. of travel for consistent suspension movement.

$466.40Free shipping
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Step 2 — Quantity
Air Suspension Struts are typically replaced in pairs, axle by axle.
Order total $466.40
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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FCS 99048 Front Left Air Suspension Strut

The FCS 99048 is a front left air suspension strut assembly for select Mercedes-Benz 4Matic models. Built around the listed compressed length of 23.35 inches, extended length of 27.87 inches, and 4.52 inches of stroke, it is specified for vehicles that need precise ride-height control and suspension travel.

Compatible With Mercedes-Benz CL550, S350, S450, and S550 front left applications, this FCS air suspension strut is a direct-fit replacement for the original electronic air strut assembly on the listed vehicles. The FCS brand line focuses on suspension replacement parts, and part number 99048 is identified for the front left position only.

Key Features

  • Front left air suspension strut assembly
  • Compressed length: 23.35 inches
  • Extended length: 27.87 inches
  • Stroke length: 4.52 inches
  • Specified for 4Matic-equipped Mercedes-Benz applications
  • Electronic air strut assembly replacement
  • FCS part number 99048

Vehicle Fitment

  • Fits 2009-2014 Mercedes-Benz CL550, front left, New Electronic Air Strut Assembly; w/ 4Matic; FCS
  • Fits 2012-2013 Mercedes-Benz S350, front left, New Electronic Air Strut Assembly; w/ 4Matic; FCS
  • Fits 2007-2013 Mercedes-Benz S550, front left, New Electronic Air Strut Assembly; w/ 4Matic; FCS
  • Fits 2008-2011 Mercedes-Benz S450, front left, New Electronic Air Strut Assembly; w/ 4Matic; FCS

What It Helps Address

  • Front-left ride-height loss from a worn air strut
  • Uneven stance on Mercedes-Benz 4Matic suspension systems
  • Excessive bouncing or reduced damping control
  • Suspension sag at the front left corner
  • Noise or instability caused by a failing electronic air strut assembly

Installation Notes

Install on the front left position only and verify 4Matic fitment before ordering. Confirm the vehicle matches the listed Mercedes-Benz CL550, S350, S450, or S550 application and compare the original strut dimensions to the FCS 99048 specifications. Professional installation and system inspection are recommended for air suspension repairs.

Quality Assurance

FCS supplies suspension replacement components for OE-style applications. Part number 99048 is cataloged for the specified Mercedes-Benz front left air suspension fitments and dimensions, helping ensure the correct replacement is selected for the listed vehicles.

Related reading

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypeLitersCylindersPositionNotes
2014Mercedes-BenzCL5504MaticCoupeAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2013Mercedes-BenzCL5504MaticCoupeAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2013Mercedes-BenzS350Bluetec 4MaticSedanAWD3.0LV6Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2013Mercedes-BenzS5504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2012Mercedes-BenzCL5504MaticCoupeAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2012Mercedes-BenzS350Bluetec 4MaticSedanAWD3.0LV6Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2012Mercedes-BenzS5504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2011Mercedes-BenzCL5504MaticCoupeAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2011Mercedes-BenzS4504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2011Mercedes-BenzS5504MaticSedanAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2010Mercedes-BenzCL5504MaticCoupeAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2010Mercedes-BenzS4504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2010Mercedes-BenzS5504MaticSedanAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2009Mercedes-BenzCL5504MaticCoupeAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2009Mercedes-BenzS4504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2009Mercedes-BenzS5504MaticSedanAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2008Mercedes-BenzS4504MaticSedanAWD4.7LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2008Mercedes-BenzS5504MaticSedanAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS
2007Mercedes-BenzS5504MaticSedanAWD5.5LV8Front LeftNew Electronic Air Strut Assembly; w/ 4Matic; FCS