
Select your vehicle to check fitment.
Tethered Fuel Cap
Fits Mercedes-Benz, Smart — 676 vehicle applications
For pickup, you can select Ottawa or Winchester at checkout
Customer reviews
- Verified
“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
- Verified
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
BFNG MGC842 Vehicle Fitment
Fits 676 vehiclesThis Tethered Fuel Cap fits Mercedes-Benz, Smart vehicles.
2017 Mercedes-Benz SLC43 AMG
2017 Mercedes-Benz AMG GT
2016-2017 Mercedes-Benz AMG GT S
2016-2017 Mercedes-Benz Maybach S600
2016 Mercedes-Benz GLC300
2016 Mercedes-Benz G65 AMG
2016 Mercedes-Benz B250
2015-2016 Mercedes-Benz GLA250
2015-2016 Mercedes-Benz GLA45 AMG
2015-2016 Mercedes-Benz CLS400
2015-2016 Mercedes-Benz SL400
2014-2016 Mercedes-Benz CLA250
2014-2016 Mercedes-Benz CLA45 AMG
2014-2016 Mercedes-Benz E63 AMG S
2014-2016 Mercedes-Benz CLS63 AMG S
2014 Mercedes-Benz SLS AMG
2013-2016 Mercedes-Benz G63 AMG
2013-2016 Mercedes-Benz E400
2013 Mercedes-Benz GL63 AMG
2013 Mercedes-Benz GLK250
2012-2015 Mercedes-Benz SLK250
2010-2015 Mercedes-Benz GLK350
2010-2015 Mercedes-Benz C250
2010-2013 Mercedes-Benz S400
2009-2017 Mercedes-Benz G550
2009-2016 Mercedes-Benz SLK300
2009-2016 Mercedes-Benz SL63 AMG
2008-2016 Mercedes-Benz S63 AMG
2008-2015 Mercedes-Benz C63 AMG
2008-2014 Mercedes-Benz C300
2008-2014 Mercedes-Benz CL63 AMG
2007-2016 Mercedes-Benz S550
2007-2016 Mercedes-Benz SL550
2007-2016 Mercedes-Benz CLS550
2007-2016 Mercedes-Benz E550
2007-2015 Mercedes-Benz E63 AMG
2007-2014 Mercedes-Benz CLS63 AMG
2007-2014 Mercedes-Benz CL550
2006-2016 Mercedes-Benz E350
2006-2016 Mercedes-Benz S65 AMG
2006-2015 Mercedes-Benz C350
2005-2016 Mercedes-Benz SL65 AMG
2005-2016 Mercedes-Benz SLK350
2005-2016 Mercedes-Benz SLK55 AMG
2005-2014 Mercedes-Benz CL65 AMG
2003-2016 Mercedes-Benz S600
2003-2016 Mercedes-Benz SL500
2003-2012 Mercedes-Benz SL600
2001-2014 Mercedes-Benz CL600
BFNG MGC842 Specifications
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Thread Diameter
- 39.62 mm
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Thread Diameter
- 1.56 in
- Material
- Metal, Plastic, Rubber
- Material
- Plástico, caucho, metal
BFNG MGC842 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG MGC842 Product Description
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Key Features
- Independently tested for emission control
- Reduces air pollution with proper sealing and venting
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
About BFNG
Shop BFNG Fuel Tank Cap at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG MGC842. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Frequently Asked Questions — BFNG MGC842
What vehicles does the BFNG MGC842 fit?
The BFNG MGC842 fits 50 vehicle applications including 2009-2017 Mercedes-Benz G550, 2016-2017 Mercedes-Benz AMG GT S, 2016-2017 Mercedes-Benz Maybach S600, 2017 Mercedes-Benz SLC43 AMG, 2017 Mercedes-Benz AMG GT and 45 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG MGC842 replace?
The BFNG MGC842 is a direct replacement for 6842, 40842, MGC842, MGC842, 2304700205 and 23 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG MGC842?
Shipping options for the BFNG MGC842 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
How much does the BFNG MGC842 cost?
The BFNG MGC842 is currently listed at $86.54 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Tethered Fuel Cap a direct fit replacement?
Yes, the Tethered Fuel Cap by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Tethered Fuel Cap come with?
The Tethered Fuel Cap comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.


