Bilstein 24-188050 is a B4 OE Replacement rear shock absorber for the R171 SLK, built around a gas pressure monotube with fixed OE calibrated valving. It measures 16.97 in (431.0 mm) collapsed and 20.39 in (518.0 mm) extended, mounts on a 10.4 mm lower eye with a stem at the top, and includes a black straight protective boot. It replaces Mercedes-Benz 171 326 01 00, 171 326 02 00, 171 326 08 00, 171 326 10 00 and 171 326 11 00, and interchanges with Sachs 312 839. Bilstein sells this damper individually and the vehicle takes two.
Specifications
| Type | OE replacement shock absorber (Bilstein B4) |
| Position | Rear; fits left or right |
| Damping Design | Monotube, gas pressure |
| Adjustable | No; fixed OE calibrated valving |
| Collapsed Length | 16.97 in (431.0 mm) |
| Extended Length | 20.39 in (518.0 mm) |
| Lower Mount | Eye, 10.4 mm |
| Upper Mount | Stem |
| Boot | Black straight boot included |
| Quantity | 1 (sold individually; 2 required per vehicle) |
| Part Number | 24-188050 |
| OEM Replacement | Mercedes-Benz 171 326 01 00, 171 326 02 00, 171 326 08 00, 171 326 10 00, 171 326 11 00; Sachs 312 839 |
| Warranty | Bilstein Limited Lifetime Warranty |
Documents: Installation Instructions (PDF) | Safety Data Sheet (PDF) | Safety Data Sheet 2 (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2008 | Mercedes-Benz | SLK280 | Base |
| 2009-2011 | Mercedes-Benz | SLK300 | Base |
| 2005-2011 | Mercedes-Benz | SLK350 | Base |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
