Obviously, you didn't buy your 420SEL unless you wanted to buy best-in-class service and a trusted brand both impeccably combined into one vehicle. When your Mercedes-Benz 420SEL left the factory, it was destined for a driver who prioritizes European styling in their automobile. You purchased your 420SEL because its a reputation for strength and German engineering agreed with your nature; so why would you settle for second best when it comes to the highest quality auto parts? Anyone who drives a Mercedes-Benz knows that when it comes to maintaining their automobile only the most superior replacement parts will do.
A relay is simply a switch that can be used electrically. Electromechanical relays are the most prevalent types on the market. They do their job by activating electromagnets that pull the entire set of contacts to open or close circuits. Relays also enable you to perform your Mercedes-Benz 420SEL logical car functions and inputs. If your Mercedes-Benz 420SEL fails to start when you activate the ignition, and if the engine light is unable to switch "ON" and "OFF", it indicates that the main relay is broken. You can repair it, or buy a new one for a faster solution.
Bring your 420SEL back to life with the best new or rebuilt parts from the experts at Car Parts Discount. Don't let a Relay repair bring about the demise of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the highest quality repair parts. Buy all the car parts you will ever need from carpartsdiscount.com and save time and money on all your upcoming repairs. All the Mercedes-Benz 420SEL Relay parts on this page will fit vehicles made in 1991, 1990, 1989, 1988, 1987, 1986. Choose your year below to refine your search.
Note: This relay uses signals from various engine management systems to determine if it is safe to activate the vehicle's fuel pump. Lack of fuel pump operation does not mean the fuel pump relay has failed. Comprehensive engine management system troubleshooting by a professional mechanic is required to determine why the fuel pump is not operating.