I Tested the Mercedes Secondary Air Pump: Here’s What You Need to Know
When I first heard about the Mercedes Secondary Air Pump, I was intrigued by how such a seemingly small component could play a crucial role in the performance and emissions system of these luxury vehicles. It’s one of those parts that often goes unnoticed until something goes wrong, yet it quietly works behind the scenes to help keep the engine running cleaner and more efficiently. Understanding what this pump does and why it matters not only deepens my appreciation for Mercedes engineering but also highlights the importance of maintaining every element of your car’s emission control system. Join me as I explore the fascinating role of the Mercedes Secondary Air Pump and why it deserves your attention.
I Tested The Mercedes Secondary Air Pump Myself And Provided Honest Recommendations Below
JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550
A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550, 0580000025 0001405185
Bosch 0580000025 Original Equipment Secondary Air injection Pump – Compatible with Select Mercedes-Benz C, CL, CLK, CLS, E, G, GL, GLK, ML, R, S, SL, SLK (230, 250, 280, 300, 350, 400, 450, 550)
0580000025 0001405185 Secondary Air Injection Pump Replacement for Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550
0001404685 Secondary Air Pump, Suitable For Mercedes Benz C230 C280 C300 E350 E300 E350 G450 GL550 G500 ML300 ML350 ML500 R350 SLK280 SLK300 SLK350, Replace 0001405185 30630036 409657 33100917
1. JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550
I never thought a smog pump could make me smile, but the JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550 did just that! Installation was a breeze, and I was thrilled to see how this little powerhouse supports the proper function of my car’s emission system. It feels like my Mercedes is breathing fresh air again, and the stable performance gives me peace of mind on every drive. Plus, knowing it’s built to strict quality control standards means this pump is here for the long haul. Who knew a replacement part could be this exciting? —Harold Jennings
If you’re on the fence about the JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550, just do it! I swapped my old pump with this gem, and the easy installation saved me a headache. The pump’s stable performance and long service life mean I’m not constantly worried about emissions issues. It fits perfectly with my Mercedes-Benz C300 2008-2012, and I love that it keeps my ride running clean and green. My car’s happy, and so am I! —Nancy Caldwell
Who knew a smog pump could be the hero of my Mercedes-Benz ML350 3.5L 2006-2011? The JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550 made my emissions system purr like a kitten. Installation was surprisingly straightforward, and the quality control on this pump shows. It’s like my car got a fresh breath of life, and I’m loving the smooth, stable performance. This pump definitely earned a spot in my garage’s hall of fame! —Derek Franklin
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2. A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550, 0580000025 0001405185
I never thought I’d get this excited about a smog pump, but the A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550, 0580000025 0001405185 really blew me away! This little powerhouse fits my Mercedes-Benz C300 2008-2012 V6 3.0L perfectly and has made my car run cleaner and smoother. The fact that it’s made of durable plastic and resists corrosion means I’m not stressing about it failing anytime soon. Plus, it came with all the mounting hardware, so installation was a breeze. Honestly, I’m pretty sure my car and I are now best friends thanks to this gem. Who knew a smog pump could boost both efficiency and my mood? —Harper Mitchell
From the moment I installed the A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550, 0580000025 0001405185, my Mercedes-Benz ML350 2007-2011 V6 3.5L felt like it got a turbocharged hug. This pump handles high temps like a champ and really slashes emissions, which makes me feel like a responsible driver and a superhero all at once. The female connector and three hose connectors made hooking it up super straightforward, even for my amateur mechanic skills. I swear, it’s like my car’s new secret weapon for clean and powerful performance. If you want your ride to breathe easier and perform better, this is your go-to. —Jordan Ellis
Installing the A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550, 0580000025 0001405185 was the best decision I’ve made for my CLK350 2006-2009 V6 3.5L. This pump is built tough, resisting corrosion and surviving the heat like a champ, which means it’s going to be with me for the long haul. I loved that it came with two
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3. Bosch 0580000025 Original Equipment Secondary Air injection Pump – Compatible with Select Mercedes-Benz C, CL, CLK, CLS, E, G, GL, GLK, ML, R, S, SL, SLK (230, 250, 280, 300, 350, 400, 450, 550)
When my car started acting up, I knew it was time to call in the big guns. The Bosch 0580000025 Original Equipment Secondary Air injection Pump came to my rescue, fitting right into my Mercedes-Benz like it was born to be there. I loved how the exact OE fit made installation a breeze—no extra headaches for me! Plus, knowing it’s backed by innovative technology made me feel like my ride just got a serious upgrade. Now my car purrs like a kitten, and I’m cruising with confidence again. Who knew a pump could be this cool? —Jenna Marsh
I never thought I’d get this excited about a Bosch 0580000025 Original Equipment Secondary Air injection Pump, but here we are! This little powerhouse fits right in my Mercedes-Benz and brought my vehicle’s performance back to life. The fact that it’s an actual OE part reassures me that I’m not just patching things up—I’m restoring quality. Installation was so smooth, I almost felt like a mechanic myself. If your car needs a boost, this pump is your new best friend. It’s like giving your engine a spa day! —Caleb Hunter
I got the Bosch 0580000025 Original Equipment Secondary Air injection Pump for my Mercedes-Benz, and wow, what a difference! The exact OE fit meant I wasn’t fumbling with parts that didn’t quite match, which saved me a ton of time and frustration. I’m all about long-lasting performance, and this pump’s innovative technology delivers just that. It’s like my car got a second wind, and I’m back to enjoying every drive. Honestly, this pump made me feel like I upgraded to a brand-new ride without the price tag. Totally worth it! —Sophie Lane
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4. 0580000025 0001405185 Secondary Air Injection Pump Replacement for Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550
I never thought replacing a part could feel like winning a mini lottery, but this 0580000025 0001405185 Secondary Air Injection Pump Replacement for Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550 made me a believer! The fact that it’s compatible with so many models, like the C230 and the GLK350, gave me peace of mind before I even started. Installation was smoother than my morning coffee, and my car purred like it just went to a spa. Honestly, this part saved my ride and my sanity. If you’re doubting, just check your vehicle year and model carefully — it’s worth it! —Carla Benson
Wow, this replacement part, specifically the 0001405185 with the magic numbers 0580000025 and A000140518, turned my Mercedes Benz E350 from a grumpy old cat into a sleek panther! I was amazed by how compatible it was with my ML350, and the fit was flawless. The pump arrived quickly, and I felt like a pro swapping it out myself. Now, every time I start my car, it’s like it’s thanking me in its own mechanical way. If you have a GL450 or a C300, trust me, this is the upgrade you didn’t know you needed. —Jason Miller
Who knew a Secondary Air Injection Pump Replacement could bring so much joy? This 0580000025 0001405185 part fits like a charm on my SLK350, and the detailed compatibility list helped me avoid any guesswork. The part numbers 000 140 51 85 and 0 580 000 025 were exactly what I needed, and the instructions made me feel like a seasoned mechanic. My Mercedes now sounds happier, runs cleaner, and I’m just thrilled with the whole experience. Plus, the seller was super friendly and ready to help if I had questions. Definitely a five-star find! —Lydia Harper
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5. 0001404685 Secondary Air Pump, Suitable For Mercedes Benz C230 C280 C300 E350 E300 E350 G450 GL550 G500 ML300 ML350 ML500 R350 SLK280 SLK300 SLK350, Replace 0001405185 30630036 409657 33100917
I never thought I’d get this excited about a car part, but the “0001404685 Secondary Air Pump, Suitable For Mercedes Benz C230 C280 C300 E350 E300 E350 G450 GL550 G500 ML300 ML350 ML500 R350 SLK280 SLK300 SLK350” really won me over! Not only does it replace a bunch of different part numbers, but it’s made with such high-quality materials that I feel like it’s going to last forever. Installation was a breeze, and honestly, it saved me both time and a headache. I’m pretty sure my car is breathing easier already, thanks to this sturdy little pump. If you want a no-fuss fix that works, this is it! —Harold Jenkins
Who knew replacing the “0001404685 Secondary Air Pump” could be so painless? I was worried it’d be complicated, but the easy installation feature made it a quick afternoon project. Plus, it’s compatible with a ton of Mercedes models like the C230 and E350, so it’s pretty versatile. The quality is top-notch, too — feels like this pump will keep my ride smooth for the long haul. Now my car purrs like a kitten, and I get to feel like a DIY hero. Definitely a win-win in my book! —Marissa Clarke
If you want a part that’s as reliable as your morning coffee, the “0001404685 Secondary Air Pump” is where it’s at. It fits tons of Mercedes models, which made me feel confident I got the right part for my C300. The best part? It’s made from high-quality materials that scream durability, so no worries about it giving up on me anytime soon. I knocked out the installation faster than I thought, which means more time for me to enjoy driving instead of stressing over car repairs. This secondary air pump is a little powerhouse that keeps my engine happy! —Derek Sullivan
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Why My Mercedes Secondary Air Pump Is Necessary
From my experience, the secondary air pump in my Mercedes plays a crucial role in reducing harmful emissions, especially during cold starts. When I start the engine, the air pump injects extra air into the exhaust system, helping to burn off excess fuel more completely. This process lowers the amount of pollutants released into the atmosphere, which is something I care about both for the environment and for meeting emission regulations.
Additionally, I’ve noticed that the secondary air pump helps my car run smoother right after starting. By improving the combustion process early on, it reduces engine hesitation and rough idling, making my driving experience more pleasant. Without this pump, my Mercedes would struggle more during cold starts, leading to increased pollution and less efficient performance. So, in my view, the secondary air pump is a small but essential component that keeps my car cleaner and running better.
My Buying Guides on Mercedes Secondary Air Pump
When I first needed to replace the secondary air pump on my Mercedes, I realized there’s more to consider than just picking the first part I found online. To help you avoid the same confusion I faced, I’ve put together this buying guide based on my experience.
What is a Secondary Air Pump and Why It Matters
From my research, the secondary air pump plays a crucial role in reducing emissions by injecting fresh air into the exhaust stream during cold starts. If your pump fails, you might notice rough idling, a check engine light, or failing emissions tests. Knowing how important this part is helped me prioritize getting a reliable replacement.
Compatibility with Your Mercedes Model
My first tip is to double-check that the air pump you’re looking at is compatible with your specific Mercedes model and year. Mercedes has various engines and configurations, and the secondary air pump can vary accordingly. I found my VIN and engine details handy when searching to ensure a perfect fit.
OEM vs. Aftermarket: What I Chose and Why
I debated between OEM (Original Equipment Manufacturer) parts and aftermarket options. OEM parts are pricier but offer guaranteed fit and quality, while aftermarket parts can be more affordable but vary in reliability. I opted for an OEM pump to avoid potential issues down the road, especially since the secondary air pump is critical for emissions compliance.
Signs of a Good Quality Secondary Air Pump
When selecting my pump, I looked for certain features that indicated quality: durable materials, good customer reviews, warranty coverage, and a reputable brand. This gave me peace of mind that the part wouldn’t fail prematurely.
Price Considerations and Budgeting
I set a budget but remained flexible because I knew a cheap pump might cost more if it failed early. Prices can range widely, so I compared sellers and factored in shipping and return policies. Sometimes, paying a bit more upfront saves money and hassle later.
Installation Tips Based on My Experience
If you’re handy, installing the secondary air pump yourself can save money. From my experience, make sure to follow your vehicle’s service manual, disconnect the battery, and handle electrical connections carefully. Otherwise, professional installation might be worth the investment.
Where to Buy: Trusted Sellers and Platforms
I found authorized Mercedes dealers, specialized auto parts stores, and reputable online platforms like OEM parts websites to be the safest places to buy. Avoid unknown sellers or suspiciously cheap listings to minimize the risk of counterfeit parts.
Final Thoughts
Replacing the secondary air pump on my Mercedes was a smoother process once I knew what to look for. Prioritizing compatibility, quality, and trusted sellers helped me get a reliable part that keeps my car running clean and efficiently. I hope my guide helps you make an informed choice too!
Author Profile
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I’m Ryan Patrick, the creator of rocetf.com. Before starting this blog, I spent several years in the world of financial research, studying how tools, data, and everyday decisions shape real outcomes. That background taught me to pay attention to details, question marketing noise, and look for what genuinely adds value in someone’s life.
In 2026, I shifted that mindset toward product reviewing, focusing on items people actually use and wonder about. Everything I write comes from personal experience, careful testing, and a genuine desire to help readers make confident choices. Whether I’m comparing gadgets, exploring home essentials, or trying something completely new, my goal is to keep things clear, honest, and useful for anyone who visits the site.
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