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Description
Ball Joint Repair Kit for Mercedes W126 S-Class SEC - 303321Key Details SKU 303321 Type Ball Joint Repair Kit Front Guide Strut Suspension Caster Position Front Axle OEM Ref Mercedes Benz 126 330 13 35 Sold As Kit OEM & Aftermarket Cross References View All OEM References (8) Brand Reference Number Mercedes Benz 126 330 13 35 Mercedes Benz A 126 330 13 35 Febi Bilstein 08852 Lemforder 5079 Lemforder 01023910 Lemforder 10992 01 Lemforder 524 242 105 Meyle 014 033 0105 Vehicle Fitment Includes 17 supplied
Key Details
- SKU
- 303321
- Type
- Ball Joint Repair Kit - Front Guide Strut / Suspension Caster
- Position
- Front Axle
- OEM Ref
- Mercedes-Benz 126 330 13 35
- Sold As
- Kit
OEM & Aftermarket Cross-References
View All OEM References (8)
| Brand | Reference Number |
|---|---|
| Mercedes-Benz | 126 330 13 35 |
| Mercedes-Benz | A 126 330 13 35 |
| Febi Bilstein | 08852 |
| Lemforder | 5079 |
| Lemforder | 01023910 |
| Lemforder | 10992 01 |
| Lemforder | 524 242 105 |
| Meyle | 014 033 0105 |
Vehicle Fitment
Includes 17 supplied applications covering Mercedes-Benz. Use the full table below to confirm model, chassis, year range, engine and power before ordering.
View Full Vehicle Fitment (17 applications)
| Make | Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|---|
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 260 SE 126.020 M 103.941 | 118 kW / 160 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 260 SE 126.020 M 103.941 | 122 kW / 166 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 280 S 126.021 M 110.924; M 110.926 | 115 kW / 156 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 280 SE, SEL 126.022, 126.023 M 110.987; M 110.989 | 136 kW / 185 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 300 SE, SEL 126.024, 126.025 M 103.981 | 132 kW / 180 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 380 SE, SEL 126.032, 126.033 M 116.961 | 160 kW / 218 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 420 SE, SEL 126.034 M 116.965 | 160 kW / 218 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 420 SE, SEL 126.034, 126.035 M 116.965 | 150 kW / 204 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 420 SE, SEL M 116.965 | 165 kW / 224 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 420 SE, SEL M 116.965 | 170 kW / 231 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 560 SE, SEL 126.038, 126.039 M 117.968 | 178 kW / 242 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 560 SE, SEL M 117.968 | 205 kW / 279 HP |
| Mercedes-Benz | S-CLASS | W126 | 1979-1991 | 560 SE, SEL M 117.968 | 220 kW / 300 HP |
| Mercedes-Benz | S-CLASS Coupe | C126 | 1980-1991 | 420 SEC 126.046 M 116.965 | 160 kW / 218 HP |
| Mercedes-Benz | S-CLASS Coupe | C126 | 1980-1991 | 420 SEC 126.046 M 116.965 | 165 kW / 224 HP |
| Mercedes-Benz | S-CLASS Coupe | C126 | 1980-1991 | 560 SEC 126.045 M 117.968 | 178 kW / 242 HP |
| Mercedes-Benz | S-CLASS Coupe | C126 | 1980-1991 | 560 SEC 126.045 M 117.968 | 205 kW / 279 HP |
Fitment Notes
- Always match OEM reference number(s) and vehicle details before ordering. Confirm exact fitment using VIN, engine code, or chassis number if multiple variants exist.
- Fits Mercedes-Benz W126 S-Class Saloon (1979-1991) and C126 S-Class Coupe / SEC (1981-1991).
- Front guide strut ball joint repair kit for suspension caster correction.
Installation / Use / Maintenance Tips
- Support the front suspension securely before removing the guide strut assembly.
- Replace on both sides simultaneously for correct caster alignment.
- Torque all fasteners to manufacturer specifications after fitting.
- A full four-wheel alignment is essential after installation to restore correct front-end geometry.
Common Questions
- What does this kit repair?
- The 303321 repairs the ball joint in the front guide strut (thrust arm), which controls suspension caster angle on the W126 and C126 platforms.
- Does this fit all W126 models?
- Yes - all W126 Saloon variants (260 SE through 560 SEL) and all C126 Coupe variants (380 SEC through 560 SEC) from 1979 to 1991.
- Which aftermarket brands cross-reference to this part?
- Febi Bilstein (08852), Lemforder (5079), and Meyle (014 033 0105) all cross-reference to the Mercedes OEM number 126 330 13 35.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 2357 reviews
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Product Reviews
★★★★★ 4
The squeeker isn't durable, but the balls themselves are.
Color: S6-muti-color, Color: S6-muti-color
I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving.
In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there.
The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2024
★★★★★ 5
Good balls
Color: S6-glow
My dog is a chewer, and these have held up for close to a year actually a pretty good product
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Reviewed in the United States on May 27, 2026
★★★★★ 3
Disappointed
Color: S6-muti-color
These were great for about 20 minutes then they stopped squeaking...we have 2 left that I have saved but the other 4 do not squeak anymore...disappointed as my dog loves to squeak things...would not buy these again...My dog is only an 8lb dog too...but he can still play with the balls without the squeak...
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Value for a ball my dog loves!
Color: S6-muti-color
I wish these ball were in the subscription program! My dog gets sooo excited by the new ball, but her interest in things lasts for a few days. She kills the squeak within 11minutes, but the squeaker stays in place rather than becoming a chocking or swallow hazard, and she still loves to chew it. Next, we must throw the ball approximately 723 times the first day, possibly 496 times on day 2, and just 3- 4 on day 3, at which point she will chase the ball before hollering "it's over here if you need it," while she checks on the chipmunk den. We currently have 17 of these balls in our yard (because we have given several leftovers to a less discriminating doodle next door). These balls hold up really well, get her extremely active for the first couple of days, and are a much cheaper than doggie daycare (after an active morning with a new ball, she is happy to chew on it and sleep much of the day). I always have these on hand!
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Reviewed in the United States on November 22, 2025
★★★★★ 4
Pieces chewed off
Color: white & green
My Aussiedoodle loves it. I throw it down the hallway, it bounces crazy, and he chases it. The only complaint is that he can't chew much of the ball part. So now I have to have it put away and brought out for special playtime.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026