OE Quality
60-Day Returns

Monroe 39109 Shock Absorber - Rear
Overview of Monroe OESpectrum Monotube Shock Absorber 39109
The Monroe OESpectrum Monotube Shock Absorber 39109 is engineered for precise suspension control on select Mercedes-Benz models. Designed to restore original handling and ride quality, this shock absorber is compatible with Mercedes-Benz E320, E350, and E500 vehicles.
- Compatible with Mercedes-Benz E320, E350, and E500
- Monotube design for consistent damping performance
- Includes dust shield for extended durability
- Lower mounting with loop bushing and 10mm sleeve
- Upper stem mount with M10 thread pitch
- Compressed length: 18.5 inches; extended length: 20.71 inches
- Travel length of 2.21 inches for optimized suspension movement
Monroe OESpectrum Monotube Shock Absorber Product Line
The OESpectrum Monotube Shock Absorber line by Monroe focuses on delivering a balance between comfort and control through advanced monotube technology. This product line is designed to meet or exceed original equipment specifications, providing consistent damping and improved handling characteristics. The 39109 part number is part of this line, offering features such as a dust shield and precise mounting configurations tailored for Mercedes-Benz E-Class models.
Technical Details and Features
This Monroe shock absorber features a monotube design that enhances heat dissipation and maintains consistent damping performance under various driving conditions. The dust shield protects internal components from debris, extending the service life of the shock. The lower mounting utilizes a loop bushing and sleeve mount with a 10mm inner diameter and 2-inch overall length sleeve, ensuring secure attachment. The upper mounting is a stem mount with a 2.625-inch stem length and M10 thread pitch, compatible with the specified Mercedes-Benz models. The shock absorber measures 18.5 inches when compressed and extends to 20.71 inches, with a travel length of 2.21 inches, allowing for effective suspension articulation.
Applications and Problem Solving
- Restores original ride comfort and handling on Mercedes-Benz E320, E350, and E500
- Reduces excessive body roll and improves vehicle stability
- Minimizes suspension noise and vibration
- Addresses worn or leaking shock absorbers causing poor damping
- Enhances control during braking and cornering maneuvers
Installation Notes and Tips
- Verify compatibility with Mercedes-Benz E320, E350, or E500 before installation
- Inspect mounting points for wear or damage prior to installation
- Use proper tools to avoid damage to the loop bushing and stem mount
- Ensure the shock absorber is installed in the correct orientation
- Torque mounting hardware to manufacturer specifications
Quality Assurance and Warranty
Monroe OESpectrum Monotube Shock Absorber 39109 is manufactured to meet strict quality standards and original equipment specifications. The inclusion of a dust shield and robust mounting components contributes to its durability. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region.
| Brand | Monroe |
|---|---|
| Part Number | 39109 |
| Position | OESpectrum Monotube Shock Absorber, Rear |
| LS8 | |
| Compressed Bumper Stop | No |
| Compressed Length | 18.5 |
| Dust Shield | Yes |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 20.71 |
| Lower Mounting Type | Loop Bushing & Sleeve Mount - 10MM Sleeve ID X 2" Sleeve OAL |
| Parts Pack | BE17110326 |
| Travel Length | 2.21 |
| Upper Mounting Code | S15 |
| Upper Mounting Type | Stem Mount - 2.5/8" Stem Length X M10 Thread Pitch |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2009 | Mercedes-Benz | E350 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2008 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2008 | Mercedes-Benz | E350 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2007 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2007 | Mercedes-Benz | E350 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2006 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2006 | Mercedes-Benz | E350 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2006 | Mercedes-Benz | E500 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2005 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2005 | Mercedes-Benz | E500 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2004 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2004 | Mercedes-Benz | E500 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2003 | Mercedes-Benz | E320 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
| 2003 | Mercedes-Benz | E500 | Sedan | RWD | Rear | with Sport Suspension; without Air Suspension; Recommended OE Application -Specific Replacement; OESpectrum Monotube Shock Absorber |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.