Mercedes 420SEL Parts - OEM and Genuine

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Not for use in models specifying synthetic fluid - please check owners manual prior to ordering. Latest version from Mercedes now comes in a 1 quart bottle or roughly 0.95 liters.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$11.89
Reg
$12.39
List
$10.00
Latest version 15D453. Meets Specifications: API SL, BMW Longlife 01, M/B 229.5, Audi/VW 502.00 & 505.00.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$54.99
Reg
$57.28
List
$60.63
OEM
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$22.79
Reg
$23.74
List
$29.62
OEM
Only for models specifying CHF 11.S hydraulic fluid.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$25.99
Reg
$27.07
List
$32.34
Please verify weight of required fluid prior to ordering, this latest version fluid complies with MB 235.7 Mercedes factory approval. Per Mercedes supercession this also replaces heavier 001989170310 version...
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$55.99
Reg
$58.32
List
$37.00
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$0.99
Reg
$1.03
List
$4.00
KIT FREE SHIPPING
This kit contains the OEM fuel pumps, strainer and fuel filter needed for correct factory replacement procedure.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$278.26
Reg
$289.85
List
$639.50
OEM
1 per car.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$275.99
Reg
$287.49
List
$462.00
Meets manufacturer specification API SN/CF, BMW Longlife 01, MB229.5, VAG 502.00 and 505.00, and Porsche A40. Please verify oil specifications in your owners manual prior to ordering.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$49.99
Reg
$52.07
List
$65.08
The ATS style fuses were used on all Mercedes vehicles up through the 1990s. The body of the fuse is color-coded by amperage. This kit contains (6) 8 amp, (2) 16 amp, and (1) 25 amp fuses. Please verify...
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$15.09
Reg
$15.72
List
$11.00
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$1.99
Reg
$2.07
List
$0.43
OEM
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$2.19
Reg
$2.28
List
$0.88
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$49.99
Reg
$52.07
List
$145.00
1 per car.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$12.89
Reg
$13.43
List
$205.11
Kit includes R134A charging adapters, o-rings and required label. 1 kit per car.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$17.79
Reg
$18.53
List
$19.38
OEM
1 per car.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$6.49
Reg
$6.76
List
$23.00
Meets Mercedes Benz approval 343.0.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$20.59
Reg
$21.45
List
$13.50
OEM
Due to numerous supercessions this unit fits many alternators, please specify Bosch number from existing regulator assembly to verify application. 1 per car.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$45.88
Reg
$47.79
List
$88.45
FREE SHIPPING
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$12.00
Reg
$12.50
List
$43.50
Please verify inner diameter of hose required. Sold by the meter.
1986, 1987, 1988, 1989, 1990, 1991 Mercedes 420SEL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$15.09
Reg
$15.72
List
$59.50

The Mercedes 420SEL is a luxury sedan that was produced by Mercedes-Benz from 1985 to 1991. It was part of the W126 S-Class series and was introduced as a replacement for the 380SEL.

The 420SEL was equipped with a 4.2-liter V8 engine that produced 201 horsepower and 228 lb-ft of torque. It was mated to a four-speed automatic transmission and had a top speed of 134 mph (215 km/h). The car was also known for its smooth ride and excellent handling, thanks to its advanced suspension system.

Inside, the 420SEL offered a spacious and luxurious cabin that was fitted with high-quality materials and advanced features. Standard equipment included power windows, leather seats, air conditioning, and a modern stereo system.

The 420SEL also featured advanced safety features for its time, such as anti-lock brakes, traction control, and airbags. It was considered one of the safest cars on the road at the time.

Overall, the Mercedes 420SEL was a popular choice for those seeking a luxurious and reliable sedan. It remains a sought-after classic car today for its timeless style, advanced engineering, and exceptional driving experience.

Mercedes 420SEL Chassis Overview

The chassis on the Mercedes 420SEL is a modern full-size luxury sedan with a strong unibody construction, built on a wheelbase of 2950 mm. It features independent suspension at all four corners, with MacPherson struts up front and a multi-link setup in the rear to provide excellent handling, stability, and ride comfort. The brakes are integrated with a sophisticated ABS system, while the power steering is speed-sensitive, making it easy to maneuver the car even at low speeds. The 420SEL is also equipped with a variety of advanced safety features, including airbags, seat belts, crumple zones, and a reinforced passenger compartment that meet stringent crash test standards.

Mercedes 420SEL Specifications

  • Engine: 4.2L V8
  • Horsepower: 201 hp
  • Torque: 228 lb-ft
  • Transmission: Four-speed automatic
  • Drivetrain: Rear-wheel drive
  • Length: 196.7 inches
  • Width: 71.3 inches
  • Height: 56.5 inches
  • Wheelbase: 115.6 inches
  • Curb Weight: 4,065 lb
  • Fuel Tank Capacity: 23.8 gallons
  • MPG: 14 city / 20 highway

Tips for Maintaining Your Mercedes 420SEL

  1. Follow the manufacturer's recommended maintenance schedule and perform routine maintenance regularly.
  2. Use high-quality replacement parts and fluids.
  3. Keep the car clean, both on the exterior and interior.
  4. Avoid driving aggressively or overloading the car.
  5. Monitor the oil level and ensure you are using the recommended oil type.
  6. Check the brakes and replace them when needed.
  7. Inspect the tires frequently and ensure they are properly inflated.
  8. Pay attention to warning signs such as unusual noises or vibrations and address them promptly.
  9. Store the car in a dry, protected environment to avoid rust and other damage.
  10. Take the car for regular tune-ups and inspections to catch any potential problems before they become major issues.

Popular Mercedes 420SEL Parts Brands

Genuine Mercedes parts are the most reliable and trusted option for 420SEL owners. Despite not being manufactured by Mercedes directly, these parts are designed to meet the exact specifications of the carmaker's standards. They are produced by reputable OEM manufacturers who follow strict quality control guidelines. Genuine Mercedes parts ensure that your 420SEL performs at its best and maintains its value over time.

Motul is a high-performance oil brand that is perfect for the 420SEL. Their fully synthetic oils provide superior protection against engine wear, oil oxidation, and corrosion. Motul's 420SEL-specific formulas are specifically designed to meet the demands of the engine, no matter what driving conditions you encounter. Motul also offers a range of other lubricants, including transmission and differential fluids, to keep your 420SEL running smoothly for years to come.

When it comes to replacing parts on your Mercedes 420SEL, it's important to choose a reliable and trustworthy brand. Genuine Mercedes parts are always a smart choice, but Motul is another great option. No matter which brand you choose, be sure to prioritize quality and durability to ensure your 420SEL remains in top condition.

Buying Mercedes 420SEL Parts Online

At our automotive parts store, we offer a wide range of top-quality Mercedes 420SEL parts to meet the needs of every customer. Our inventory is conveniently organized and easily searchable, making it simple for you to find what you're looking for quickly.

When you shop at our store, you'll be able to take advantage of our competitive pricing and exceptional customer service. Our knowledgeable staff is always available to help you find the right parts for your vehicle and answer any questions you may have.

In addition to offering high-quality parts, we also provide convenient ordering options, including online ordering and phone-in orders. We understand that time is of the essence when it comes to repairing your vehicle, so we work hard to ensure that your orders are processed and shipped as quickly as possible.

Overall, shopping with us for Mercedes 420SEL parts provides numerous advantages, allowing you to get the parts you need quickly and affordably. Whether you're a professional mechanic or a DIY enthusiast, we have everything you need to get your vehicle running smoothly once again.

Auto Parts We Offer for Mercedes 420SEL