Mercedes SLK Seat Belt Extender

¥3,105
¥6,212
(You save ¥3,107 )
Important Information:
After 2016, the SLK became known as the SLC. Please go to the SLC for 2017 model year vehicles and later.
SAVE UP TO $10:
Save $5 on any 2 extenders and $10 on any 3.
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Can't buckle up in your Mercedes SLK? Seat Belt Extender Pros extensions are the highest quality extenders on the market designed to help you fasten your seat belt. Just pick your favorite color and style, and you are ready to drive safely and comfortably again.

No more tickets for not wearing a seat belt, and no fishing for seat belt receptacles between seats. With a quick click on each end, buckling up is easy again!

This extender is ideal for Mercedes SLK drivers and passengers who can't otherwise buckle their seat belts, which may include some plus-sized people, police, fire fighters, sheriffs, and law enforcement officers with bulky utility belts, passengers in NEMT vehicles, people with mobility impairments and others.

When it comes to safety, quality matters more. Seat Belt Extender Pros offers the highest quality extenders on the market: the best value in the premium category of seat belt extensions. We don't just offer the safest affordable extenders to add extra car seat belt length. With the smooth finish metal surface, the sleek design and available color choices, your extender will also blend in elegantly with your vehicle's interior.

Your safety is our top priority with no compromise. Unlike most belt extensions on the market, Seat Belt Extender Pros extenders are:

  • E4 or E8 Certified
  • manufactured in a US DOT-registered factory that is
  • in compliance with ISO/TS 16949:2009 for Manufacturing of Seat Belt Assembly and Components
  • manufactured to exceed international break strength test requirements for three-point seat belts.

We offer the widest variety of safety tested car seat belt extensions for your Mercedes SLK, but we won't let your options get confusing. With industry leading expertise, we can offer step-by-step support to help you find the optimal length and style for your needs. We suggest selecting an extender that adds only the minimum length needed to buckle up.

Extenders are diverse and never universal. Did you know that seat belts are different throughout most Mercedes models? Your belt's metal tongue and receptacle shape depend on the seat itself and the manufacturing year of your Mercedes. Seat Belt Extender Pros has the expertise to make your search easy.

Our regular extender style is made out of woven seat belt webbing material just like the seat belts in your car. Rigid extenders stand upright.

Seat Belt Extender Pros is known for industry-leading expertise, the widest selection of extenders available, an uncompromising focus on quality, and boundless devotion to customer happiness. With a decade of experience as the category pioneer, we're always on the cutting edge of new safety and convenience features. Recognized as the #1 seat belt extension brand worldwide with an extensive knowledge base, we are here to help you wear your seat belt comfortably again.

This product is for those who otherwise can’t buckle up. The seat belt extender’s metal tongue should click into the receptacle of the vehicle’s seat belt and the seat belt’s metal tongue should click into the receptacle of the seat belt extender. However, read and abide by your car manufacturer’s owner’s manual prior to installation or use of this product, which may not be compatible with your car. Failure to read and abide by manufacturer’s warning regarding purchase, use and installation could result in serious injury. Adults and children who can use the existing seat belt should not use an extender. Such unnecessary use, including with child restraints, could result in serious personal injury or death in the event of an accident. Read and abide by safety notes included with the extender and on the manufacturer’s product tag. Authorized reseller of seat belt extenders. See Disclaimer for more information.

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  • 5
    MERCEDES SLK SEAT BELT EXTENDERS

    Posted by David on 21st Aug 2020

    What a GREAT product! The factory seat belts were hard to reach. With the Seat Belt Extender Pros extensions so much easier to reach and fasten. Made a HUGE difference! I highly recommend Seat Belt Extender Pros products.

  • 5
    Perfect Extension

    Posted by Si on 19th Dec 2019

    Very well made, sturdy extension. Arrived quickly without hassle. Thanks Seatbelt Extender Pros. Regards, Si.

  • 5
    Excellent product.

    Posted by Trevor Puckeridge on 10th Sep 2019

    Fufulled the job, so much easier to belt up now.

  • 5
    Excellent Quality

    Posted by Deborah House on 27th Apr 2017

    This is the second belt extender that I have purchased from this company. One extender for my Range Rover Evoque and the recent extender for my Mercedes SLK 200. The purchase is due to the difficulty in connecting the seat belt deep down beside the front drivers seat. Theses extenders rectify this difficulty. They are of good quality. The price is very exceptabke and the service and delivery superb. I would most definitely buy from this company again and recommend them.

  • 5
    NO MORE FUMBLING

    Posted by Unknown on 20th Oct 2016

    THE EXTENDERS WORK GREAT. NO MORE FUMBLING TO FIND THE ATTACHMENT. SHOULD HAVE PURCHASED THEM LONG AGO.

  • 5
    exactly as expected!

    Posted by Unknown on 8th Jul 2016

    Received within 5 days. No problems. Would recommend to others without hesitation.