2004–2005 Mercedes-Benz E55 AMG Airmatic Rear Shocks
This E55 AMG application highlights Bilstein 20-070915 as a rear replacement damper for the 2004–2005 Mercedes-Benz performance sedan equipped with Airmatic. The focus is retaining an appropriate suspension replacement path, not changing the car to a conventional lowering setup.
An Airmatic-specific replacement
The E55 AMG combines performance-oriented handling with a luxury suspension system. Its rear replacement needs should therefore be considered within the Airmatic configuration. A part specified for that system should not be confused with a generic rear shock selected only because its dimensions appear similar.
The identified Bilstein part
The application names Bilstein 20-070915, linked as a rear B4 OE-replacement air shock absorber. That part number is the useful starting point when locating the listing. The broader product title mentions other Mercedes-Benz models, but the application remains the 2004 and 2005 E55 AMG.
Ride control and comfort belong together
Focus the repair on maintaining the E55's balance of body control and ride comfort. A damper's job is controlling suspension movement, not simply making the car feel firm. Treat the component as part of the original suspension arrangement rather than assuming a replacement shock changes every aspect of Airmatic operation.
Separate damper replacement from system diagnosis
A rear suspension complaint can require distinguishing damping performance from other Airmatic functions. A replacement damper should be selected for an identified need, not as an automatic answer to every rear suspension symptom. Keep the repair focused on the affected component and the vehicle's actual equipment.
Applications and parts
Photos and diagrams

Related reading
Frequently asked questions
Which part number is identified for this E55 AMG application?
Bilstein 20-070915 is the rear replacement part named for the 2004–2005 E55 AMG.
Is this a coil-spring conversion recommendation?
No. This is a rear replacement component for the Airmatic-equipped vehicle.