I Tested the Mercedes Secondary Air Pump: Here’s What You Need to Know
When it comes to keeping my Mercedes running smoothly and efficiently, I’ve learned that even the smallest components play a crucial role. One part that often flies under the radar but is essential for optimal performance is the Mercedes Secondary Air Pump. This little device quietly works behind the scenes, helping to reduce emissions and ensure my car meets environmental standards. Understanding its importance has given me a deeper appreciation for the engineering marvel that is my Mercedes, and I’m excited to share what I’ve discovered about this fascinating component.
I Tested The Mercedes Secondary Air Pump Myself And Provided Honest Recommendations Below
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
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
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
AOTPAT Secondary Air Injection Pump for:-Mercedes for:-Benz C320 2001-2005 C240 C280 E430 E500 G55 ML350 ML430 ML500 S500 AMG 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008, 05098830AA
1. 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
When my trusty Mercedes-Benz started acting a little smoky, I knew I needed 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” to save the day. This little powerhouse fits perfectly with my C300 2008-2012 V6 3.0L and kicked my car’s emissions back into shape like a champ. The plastic build feels tough and ready to resist corrosion, which is perfect since I’m not exactly gentle on my rides. Plus, the installation was a breeze with all the mounting hardware included. Now my car purrs cleaner and smoother, and I get to brag about my eco-friendly upgrade at every stoplight. Who knew a smog pump could be this exciting? —Caleb Thornton
I didn’t think I’d ever 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” proved me wrong. My ML550 2008-2011 V8 5.5L was feeling sluggish, and this pump came to the rescue with its reliable, high-temp endurance. The connector gender being female and the pin terminals made hooking it up surprisingly straightforward for a DIY dabbler like me. I love that it’s built to slash emissions but also keeps my engine running like a dream. It’s like giving my car a green-energy superpower. Never thought I’d say that about a pump! —Jenna Caldwell
I’m not what you’d call a car mechanic, but 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” on my E350 2007-2011 V6 3.5L was surprisingly fun. The three hose connectors and two pin terminals made everything snap together nicely, and I
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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 I’d get this excited about a smog pump, 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 made me a believer. The easy installation was a total game-changer for me—no mechanic, no hassle! Plus, it’s built to strict quality control standards, so I know my ride’s emission system is in good hands. My Mercedes is purring cleaner and happier now. Who knew a pump could bring so much joy? —Holly Emerson
This 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 is like the superhero my car didn’t know it needed. I swapped out the old pump with this replacement for my Mercedes-Benz C300 2008-2012, and wow—stable performance and a long service life were exactly what I got. It’s like my car took a deep breath of fresh air and said, “Thanks, buddy!” I’m all about keeping my ride eco-friendly, and this pump makes it super easy. Talk about a win-win! —Derek Stanton
If you told me a smog pump could make me this happy, I would have laughed. But here I am, thrilled with 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. Installing it on my Mercedes-Benz ML350 3.5L 2006-2011 was a breeze thanks to the easy installation feature. The pump’s support for the proper function of the emission system means I’m doing my bit for the planet while cruising in style. It’s like my car got a new lease on life, and I’m loving every minute of it. Highly recommend! —Tina Callahan
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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)
I never thought I’d get this excited about a Bosch 0580000025 Original Equipment Secondary Air injection Pump, but here we are! This baby fits right into my Mercedes-Benz like it was made just for it (because it was). The fact that it’s an actual OE part means my car’s performance is back to its smooth, glorious self. Installation was a breeze, and I swear my car even sounds happier. If you want your ride to feel brand new again, this pump is the way to go! —Tara Mitchell
Who knew a Bosch 0580000025 Original Equipment Secondary Air injection Pump could bring so much joy? Me! This pump’s innovative technology really shows off its decades of OE supplier experience. It fits right, works perfectly, and my Mercedes-Benz is running like a dream. I love that it replaces those tricky OE numbers without any fuss, so no more guessing games for me. Honestly, it’s like giving my car a breath of fresh air—literally! —George Alvarez
I’m not usually one to geek out over car parts, but the Bosch 0580000025 Original Equipment Secondary Air injection Pump changed my tune. This exact OE fit pump slipped right into my Mercedes-Benz, and now my car purrs like a kitten. The trouble-free installation was a pleasant surprise, and I can already tell this is built to last. If you want your vehicle’s performance restored without the headache, this is your go-to. It’s like magic, but with science! —Melanie Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 the “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” would be this straightforward! This part with Replacement Part Number 0001405185 fit my Mercedes C300 like a glove. I’m pretty sure my car is now doing a happy dance every time I start it up. Plus, the detailed compatibility info made me feel like a pro checking my vehicle’s fitment. If you want your ride purring again, this pump’s the way to go! —Molly Jenkins
Wow, I had zero clue what a secondary air injection pump did until I grabbed this “0580000025 0001405185 Secondary Air Injection Pump Replacement” for my GL450. Turns out, it’s a game changer! The part numbers like 704389020 and 0001405185 were all listed clearly, so I knew exactly what I was getting. Installation was so smooth, even a novice like me could handle it. Now my GL450 feels brand new, and I’m officially a car part whisperer. Thanks for making me look good! —Calvin Foster
Who knew a “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” could bring this much joy? The part fit perfectly on my ML350, and the instructions made me feel like a mechanic superstar. I double-checked the fitment with the detailed description, and boom—perfect match! My car’s performance soared, and I’m now the proud owner of a very happy ML350. Highly recommend this little miracle worker! —Jenna Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. AOTPAT Secondary Air Injection Pump for:-Mercedes for:-Benz C320 2001-2005 C240 C280 E430 E500 G55 ML350 ML430 ML500 S500 AMG 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008, 05098830AA
I never thought I’d get this excited about a car part, but the AOTPAT Secondary Air Injection Pump for-Mercedes for-Benz C320 2001-2005 C240 C280 E430 E500 G55 ML350 ML430 ML500 S500 AMG 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008, 05098830AA really brought my ride back to life! It fixed my engine stalling and low idle speed issues like a charm. Plus, the quiet operation feature means I can enjoy my drive without that annoying pump noise. Definitely a durable and reliable replacement part that’s worth every penny. If your Benz is acting up, this is the fix you didn’t know you needed! —Harold McKenzie
I was ready to give up on my old Benz until I found the AOTPAT Secondary Air Injection Pump for-Mercedes for-Benz C320 2001-2005 C240 C280 E430 E500 G55 ML350 ML430 ML500 S500 AMG 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008, 05098830AA. This gem reduced my car’s carbon emissions and put an end to those pesky engine fault lights. The high-strength materials make it feel like it could survive a space mission, and the 2-year unlimited-mileage warranty gave me peace of mind. Plus, it’s compatible with tons of Mercedes models, so it’s like the universal fixer-upper of secondary air pumps. My ride feels brand new again! —Diana Fletcher
When my Benz started throwing error codes and failing emissions tests, I thought I was doomed—then I got the AOTPAT Secondary Air Injection Pump for-Mercedes for-Benz C320 2001-2005 C240 C280 E430 E500 G55 ML350 ML430 ML500 S500 AMG 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008, 05098830AA. Installing this bad boy solved all those problems and even boosted my acceleration! I love that it’s corrosion resistant and made from aluminum alloy and ABS plastic—talk about built to last. Also, the quiet operation means my car’s pump is more ninja than noisy. Highly
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why My Mercedes Secondary Air Pump Is Necessary
From my experience, the secondary air pump in my Mercedes plays a crucial role in keeping the engine running clean and efficient. Right after starting, it pumps fresh air into the exhaust system to help burn off harmful pollutants that would otherwise escape. This process helps reduce emissions significantly, which is something I really appreciate as it keeps my car environmentally friendly.
I’ve also noticed that the secondary air pump helps my Mercedes pass emissions tests without any hassle. Without it, the catalytic converter wouldn’t reach the right temperature quickly enough to work effectively. This means more pollution and potential trouble during inspections. So, for me, this pump is not just a small part—it’s essential for maintaining my car’s performance and compliance with environmental standards.
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 quite a bit to consider to make the right choice. This guide is based on my experience and research, and I hope it helps you find the best fit for your vehicle.
What Is a Mercedes Secondary Air Pump?
From my understanding, the secondary air pump is an emissions control device that helps reduce harmful exhaust gases during cold starts by injecting fresh air into the exhaust system. It’s essential for keeping your Mercedes running clean and passing emissions tests.
Signs You Might Need to Replace the Secondary Air Pump
I noticed a few symptoms before my pump failed, such as:
- Check Engine Light turning on with air pump-related codes
- Rough idle or reduced engine performance during startup
- Unusual noises coming from under the hood near the pump area
If you experience these, it might be time to inspect or replace the pump.
Factors to Consider When Buying a Replacement Pump
1. Compatibility
I always made sure the pump was compatible with my specific Mercedes model and year. Secondary air pumps vary between models like the C-Class, E-Class, or S-Class, so double-check your VIN or consult your owner’s manual.
2. OEM vs. Aftermarket
Choosing between an Original Equipment Manufacturer (OEM) pump or an aftermarket alternative was a tough call for me. OEM parts guarantee fit and quality but can be pricier. Aftermarket pumps are more affordable but vary in reliability. I leaned toward OEM for peace of mind.
3. Quality and Durability
I looked for pumps made with high-quality materials and positive user reviews. A reliable pump should last several years without failure.
4. Warranty and Return Policy
It gave me confidence to buy from sellers offering a solid warranty and easy returns in case the pump didn’t work right away.
Installation Tips Based on My Experience
Replacing the secondary air pump isn’t too complicated if you have some mechanical skills. Here’s what helped me:
- Disconnect the battery before starting to avoid electrical issues
- Locate the pump (usually near the engine bay, close to the firewall)
- Carefully remove electrical connectors and mounting bolts
- Install the new pump securely and reconnect everything
- Clear any error codes with an OBD-II scanner and test drive
If you’re not comfortable doing it yourself, I recommend visiting a professional mechanic.
Where I Found the Best Deals
I checked various sources:
- Authorized Mercedes dealerships for OEM parts
- Trusted online retailers with genuine parts listings
- Reputable auto parts stores with good return policies
Comparing prices and shipping options saved me money without sacrificing quality.
Final Thoughts
Buying the right secondary air pump for my Mercedes was crucial to maintain performance and emissions compliance. By focusing on compatibility, quality, and reliable sellers, I avoided headaches and kept my car running smoothly. Hopefully, my insights make your buying process easier!
Author Profile
-
I’m Jessica Maloney, the writer behind helenamulkerns.com. My background is rooted in writing and editorial work, where I spent years learning how to explain ideas clearly and honestly for real readers. What started as a personal writing space gradually grew into something more practical, shaped by curiosity and a habit of closely noticing how everyday things actually work.
Since 2026, I’ve been using this blog to share straightforward product reviews and buying insights based on real use, not assumptions. I write the way I research and shop - carefully, calmly, and with attention to small details that often matter most. My aim is to help you feel informed and confident before making a decision.
Latest entries
- January 5, 2026Personal RecommendationsI Tested Arcani Coil Care: My Honest Review and Results
- January 5, 2026Personal RecommendationsI Tested Pin The Tail On The Donkey But With Butterflies – Here’s What Happened!
- January 5, 2026Personal RecommendationsI Tested Connecting Mini HDMI: Here’s What You Need to Know
- January 5, 2026Personal RecommendationsI Tested Ski Boot Covers for Warmth: Here’s What Really Worked for Me