Mercedes 300SEL Brake Hose Parts

Showing 4 out of 4 part(s) found in our catalog.

Narrow Down Your Search By...
Filter search results specific to your vehicle.
Keyword
Keyword
Mercedes 300SEL Brake Hose
Category
Select category below to view parts.
Can't Find What You Need?
Mon-Fri 8-4 MST/PST (Arizona Time)
Contact Us
Sort By:
Please verify size of existing hose prior to ordering, original hose may be blue or black and rated for brake fluid. Replacement hose is now black/gray in color and replaces 34321112459 and N203501 hose...
1963-1991 Mercedes 300SEL
Ships Tomorrow
Ships Tomorrow Information Icon
Leaves closest warehouse tomorrow.
$26.99
Reg
$28.11
List
$23.53
OEM
Please verify length and connection type on vehicle prior to ordering. 2 per car.
1988, 1989, 1990, 1991 Mercedes 300SEL
Ships Tomorrow
Ships Tomorrow Information Icon
Leaves closest warehouse tomorrow.
$15.39
Reg
$16.03
List
$25.00
OEM
Please verify length and connection type on vehicle prior to ordering. 2 per car.
1988, 1989, 1990, 1991 Mercedes 300SEL
Ships Tomorrow
Ships Tomorrow Information Icon
Leaves closest warehouse tomorrow.
$22.39
Reg
$23.32
List
$56.00
Please verify length and connection type on vehicle prior to ordering.
1970, 1971, 1972, 1973 Mercedes 300SEL
Ships Tomorrow
Ships Tomorrow Information Icon
Leaves closest warehouse tomorrow.
$17.79
Reg
$18.53
List
$55.00

Based on industry averages you can expect to pay between $15.39 and $26.99 for a Mercedes 300SEL brake hose.

What Are The Signs Of A Failing Mercedes 300SEL Brake Hose?

Press the pedal and something feels off. The car doesn’t stop like it should, or the brake pedal starts feeling softer, almost like it’s made of sponge instead of metal. You start needing more force just to get the same stopping power. Maybe you pop the hood or slide under the car and spot a wet patch around the hose or where it meets the metal line—brake fluid, bad news. Sometimes you’ll even spot visible cracks on the outside of the hose, right through the rubber. If the Mercedes starts to pull to one side when you brake, that’s a sign too. Don’t put off a checkup if any of these pop up.

How Often Should The Mercedes 300SEL Brake Hose Be Replaced?

There’s no ticking clock but most owners swap hoses every 50,000 to 75,000 miles, or once a decade. If your car sits in the sun or sees cold winters, old rubber hoses may go brittle sooner. Some skip the guesswork and replace hoses with each major brake job, for peace of mind. Even if you don’t drive far, time chews up the material. Routine inspections—lift the car and look for splits or leaks—show more than any mileage estimate. Trust your eyes and err on the side of caution.

What Is The Correct Process For Replacing A Mercedes 300SEL Brake Hose?

Park on flat ground and use jack stands for safety, since you’ll pull the wheel to reach the hose. Take two wrenches—one holds the fitting, one turns the union—to break each end loose. Screw the old hose out, catch drips with a pan, and snake the new one through, watching routing so it doesn’t rub or kink. Tighten connections evenly—no threading by force. Once done, bleed the brakes to flush out air, always working from farthest wheel in. When the pedal firms up, spot check for leaks, then take a cautious test drive to check that everything feels solid.

Are There Upgraded Or Alternative Mercedes 300SEL Brake Hose Options?

Not everyone sticks to stock. Some switch to stainless braided hoses, which don’t balloon under pressure and give a solid pedal feel. Good in the heat, better if you push your brakes hard. Just make sure the hose matches your Mercedes’s spec—even a few millimeters off can mean a bad fit. Stick with brands that know these cars; cutting corners with cheap parts isn’t worth the gamble. Whether you keep it original or upgrade, a hose that fits right always beats one that just almost fits.

What Are The Most Common Installation Mistakes For Mercedes 300SEL Brake Hoses?

Common trip-ups happen every week in home garages. New hoses installed with a twist or tight bend—give it some slack or it won’t last. Under-tightening the nuts, or over-torquing and snapping the fitting—either can leak. Some forget to bleed the brakes. That leaves you with squishy, inconsistent stopping power. And a universal hose, cut to length and squeezed in with wrong fittings, usually spells trouble down the line. A careful look at the routing, torque specs, and bleed steps wipes out most headaches before you even bolt the wheels back on.

Why Choose Us For Your Mercedes 300SEL Brake Hose Purchase?

Shop with us at AutohausAZ and you get more than a Mercedes 300SEL brake hose. You get a process that respects your time and budget. We keep our prices straightforward, no games with limited coupons or flash sales. Getting your part fast matters—so we get orders out the door quick, minimizing that downtime when your car sits waiting. If something’s not right, we make returns simple, no dragging out the process. Our team keeps it direct, making car repairs less stressful. You get fair pricing, reliable shipping, and support that treats you like a fellow car owner, not just an order number. Thanks for trusting us to keep your Mercedes in shape—let’s keep those wheels turning.