Monroe 39109 Shock Absorber - Rear

Monroe OESpectrum Monotube Shock Absorber 39109

Monroe OESpectrum Monotube Shock Absorber 39109 is built for rear suspension applications that call for monotube shock control and OE-style ride tuning. It is engineered to reduce noise, vibration, and harshness while maintaining precise handling response on select Mercedes-Benz E-Class models.

Key Features

• Monotube shock absorber design for consistent damping response
• Filters out noise, vibration, and harshness for a more controlled ride
• Dust shield included for added protection
• Rear position application
• Lower mount: loop bushing and sleeve mount, 10 mm sleeve ID x 2 in. sleeve OAL
• Upper mount: stem mount, 2.5/8 in. stem length x M10 thread pitch
• Compressed length: 18.5 in.; extended length: 20.71 in.; travel length: 2.21 in.

Product Details

The Monroe OESpectrum Monotube Shock Absorber 39109 is designed for vehicles originally equipped with monotube shock absorbers and is tuned to deliver handling precision without sacrificing everyday ride comfort. This part number 39109 is a rear shock absorber for select Mercedes-Benz E320, E350, and E500 models with Sport Suspension and without Air Suspension. This part cross-references KYB 553356 for the same application.

Compatible With 2003-2009 Mercedes-Benz E320, rear; 2006-2009 Mercedes-Benz E350, rear; and 2003-2006 Mercedes-Benz E500, rear. The Monroe OESpectrum Monotube Shock Absorber line focuses on OE-style replacement performance for drivers who want controlled damping and reduced harshness in a direct-fit suspension service part.

What It Helps Address

• Rear-end bounce or unsettled ride quality
• Excessive road noise and vibration transfer
• Reduced damping control from worn shock absorbers
• Handling looseness during cornering and lane changes
• Ride harshness on Sport Suspension-equipped Mercedes-Benz E-Class models

Installation Notes and Tips

Verify rear suspension configuration before ordering: this application is for vehicles with Sport Suspension and without Air Suspension. Confirm mount style, compressed length, and extended length against the original shock absorber before installation. Use the vehicle’s service procedure for proper torque and suspension loading during replacement.

Quality Assurance

Monroe designs the OESpectrum Monotube line for OE-style fit and controlled damping performance on the specified application. Part number 39109 is built to match the rear shock absorber requirements of select Mercedes-Benz E320, E350, and E500 models.