Mercedes 400E Turn Signal Bulb Parts
Showing 8 out of 8 part(s) found in our catalog.
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The average cost of a Mercedes 400E turn signal bulb is between $1.09 and $2.59.
What Bulb Type Fits The Mercedes 400E Turn Signal?
If you’re looking for the right Mercedes 400E turn signal bulb, most early 1990s 400Es use a 1156 single-filament bulb for both the front and rear signals. Double-check by looking in your owner’s manual or at the numbers printed on your current bulb. Running the wrong bulb can cause issues from poor fit to electrical problems, so it’s best to get it right. Many people bring the old bulb to an auto parts shop for a quick comparison, just to make sure. Always match your car’s year and model before buying a replacement.
How Do I Replace The Mercedes 400E Turn Signal Bulb?
To swap out your Mercedes 400E turn signal bulb, start by getting access to the signal light housing—up front, that's usually under the hood by the headlight. Remove a screw or unclip the housing and ease it out. Once you see the socket, twist and pull to release, and then remove the bulb. Push in the new one (just be careful not to touch the glass). For the rear, open the trunk and peel back the liner to reach the back of the taillight, then do the same steps. Once the bulb’s in, test all the signals before you button things up. Handle everything gently so you don’t break a clip or connection.
Why Does My Turn Signal Blink Fast After Changing A Bulb?
If your Mercedes 400E turn signal bulb starts blinking rapidly, something isn’t quite right. This usually means there's a burnt-out bulb or one that wasn’t installed fully. The car detects a drop in resistance and tells the flasher to speed up. Check that each bulb is seated correctly and isn’t damaged. If all seem fine, inspect the socket and wires for rust or cracks. Still blinking too quickly? The issue might be in the relay, fuse, or wiring—and that may require a mechanic to diagnose.
Are LED Bulb Upgrades Compatible With The Mercedes 400E?
You can use LED replacements instead of the classic Mercedes 400E turn signal bulb, but there are a few things to keep in mind. The 400E’s original setup needs a certain resistance, which standard LEDs usually don’t match. Without a resistor or an electronic flasher, you’ll get that hyper-flash or dash warning. If you’re upgrading to LEDs, grab bulbs marked “error-free” or pick up a resistor kit. Also, check the bulb’s polarity before clicking it in, since LEDs need to be installed a certain way to work.
What Are Signs That My Turn Signal Bulb Needs Replacement?
Most people know it’s time to swap a Mercedes 400E turn signal bulb when the signal suddenly stops flashing or starts blinking way faster than it should. Other giveaways are a solid or quickly-ticking indicator on your dash. Visually, a dark or broken filament inside the bulb is a clear sign. Flickering, inconsistent lighting, or a bulb staying lit without blinking are all red flags too. Don’t put it off—working signals keep you and everyone else safer on the road.
Looking For The Best Deal On A Mercedes 400E Turn Signal Bulb?
With us, finding a great price on a Mercedes 400E turn signal bulb couldn’t be simpler. Our discounts mean you don’t have to shop around, and shipping is quick so you’re not left waiting. If you need to return anything, it’s easy and hassle-free. We’re here to help get your 400E back on the road with as little fuss as possible.
