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Restore a Quiet, Precise Front Strut Mount on Your C63 AMG or C250
The Bilstein B1 12-225842 is an OE replacement front suspension strut mount for the 2011-2013 Mercedes-Benz C63 AMG and 2012-2013 Mercedes-Benz C250. The 12-225842 restores factory-correct mounting geometry and bushing feel when the original mount has worn out.
Key Features
- OE replacement design that matches factory mounting geometry
- Restores proper strut alignment and bushing compliance
- Reduces cabin noise caused by a worn factory strut mount
- Direct bolt-on fit for the specified C63 AMG and C250 applications
- Built to Bilstein's OE replacement quality standard
Fitment
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2011-2013 | Mercedes-Benz | C63 AMG | Front strut mount, part number 12-225842 |
| 2012-2013 | Mercedes-Benz | C250 | Front strut mount, part number 12-225842 |
Specifications
| Detail | Value |
|---|---|
| Part Number | 12-225842 |
| Product Line | Bilstein B1 OE Replacement |
| Position | Front |
| Component Type | Strut mount |
| Warranty | Limited warranty from Bilstein |
What's Included
- One Bilstein B1 front strut mount
About Bilstein
Bilstein engineers OE replacement and performance suspension components for daily drivers and enthusiast builds. The B1 line focuses on restoring factory ride quality and mounting precision when original suspension components wear out.
FAQ
Does this fit both the C63 AMG and C250?
Yes, it fits the 2011-2013 C63 AMG and 2012-2013 C250 as listed in the fitment table.
Is this an upgraded performance mount or an OE replacement?
It is an OE replacement mount designed to restore factory geometry and feel.
Will this reduce noise from my front suspension?
Yes, replacing a worn strut mount commonly reduces the knocking or creaking noise associated with mount wear.
Does it include the strut itself?
No, this is the mount only and does not include the strut assembly.
Is professional installation recommended?
Yes, professional installation is recommended due to the suspension disassembly required.
What is the mounting position for this part?
It is a front suspension strut mount.
What warranty does this mount carry?
It carries a limited warranty from Bilstein.
Installation Instructions
- Raise and support the vehicle, then remove the front wheel.
- Support the strut assembly and disconnect it from the upper mounting point.
- Compress the spring safely and remove the strut assembly from the vehicle.
- Remove the worn strut mount from the top of the strut assembly.
- Install the Bilstein B1 12-225842 mount in its place.
- Reassemble the strut assembly and torque all fasteners to specification.
- Reinstall the strut assembly and wheel, then lower the vehicle.
- Check alignment and inspect for proper seating before returning to normal use.
Bilstein
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