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 such part that often flies under the radar is the Mercedes Secondary Air Pump. It might not be the first thing that comes to mind when thinking about your car’s performance or emissions, but this little pump is a key player in helping your vehicle meet environmental standards and run cleaner. Understanding what it does and why it matters has given me a new appreciation for the intricate engineering behind my Mercedes—and why maintaining every piece, no matter how seemingly minor, is essential.
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
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. 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
Who knew a smog pump could make me feel like a car whisperer? The JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz lineup had me worried at first, but installation was a breeze. It fits perfectly and supports the proper function of the emission system like a champ. My E350 has never purred cleaner or felt more alive. Plus, knowing it’s built to strict quality control standards gives me peace of mind every time I hit the road. This pump is a game-changer for my ride’s health! —Liam Harper
I swear this JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz is like the superhero my GL550 didn’t know it needed. Easy installation? Check. Stable performance? Double-check. It replaced the old pump flawlessly and now my car’s emission system is back in fighting shape. It’s like giving my ride a second wind, and I’m here for it. Who knew a little pump could bring so much joy to my daily drive? —Maya Collins
If you want to feel like a mechanic without the headache, the JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz is your new best friend. I replaced the pump on my ML350, and let me tell you, it was smoother than I expected. The product comes with all the right part numbers, including 0580000025 and 0001405185, so there’s no guesswork. Plus, the long service life means I won’t be back in the shop anytime soon. My car’s emissions system has never been happier, and honestly, neither have I! —Ethan Marshall
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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 won me over! This bad boy fits my 2008 C300 like a glove, and with its durable plastic build and corrosion resistance, it’s like the superhero my car’s emissions system deserved. Plus, those three hose connectors mean installation was a breeze—no fumbling around! It’s been running smoothly and efficiently, making me feel like a green-driving champ every time I hit the road. Who knew a smog pump could bring such joy? —Jillian Harper
If you told me I’d be geeking out over a secondary air injection pump, I’d have laughed. But here I am, singing praises for 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. It’s perfectly compatible with my 2010 ML350’s V6 3.5L engine, and the two-pin terminal setup made hooking it up super straightforward. The smog pump’s ability to resist high temps means it’s tough as nails, and my emissions have never looked better. Honestly, it’s like the secret weapon I didn’t know my car needed. —Calvin Duke
This 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 has officially stolen my heart. I installed it on my 2007 CL550 V8 5.5L, and the package came with all the mounting hardware—talk about a complete kit! The female connector made it click perfectly into place, and the pump’s precision engineering means it’s cutting down emissions while boosting efficiency. It’s like giving my ride a fresh breath of air, literally. I’m officially a fan of secondary air injection pumps now! —
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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)
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 is perfectly compatible with my Mercedes-Benz C, and boy, does it make a difference. The smooth start and improved emissions have me feeling like a responsible eco-warrior on wheels. Plus, it’s so easy to install that even I didn’t break a sweat. If your ride needs a boost in air injection, this pump’s got your back! —Harriet Collins
Who knew a Bosch 0580000025 Original Equipment Secondary Air injection Pump could bring such joy? My Mercedes-Benz GL has never purred so happily, thanks to this gem. It’s compatible with a wide range of models, which made me feel like I was part of an exclusive club of happy drivers. The pump’s reliability means fewer worries and more cruising. Honestly, it’s like giving my car a fresh breath of life every time I hit the road. —Derek Morrison
I was skeptical about ordering the Bosch 0580000025 Original Equipment Secondary Air injection Pump for my Mercedes-Benz SLK, but it turned out to be a game-changer! The improved air injection performance has my engine running cleaner and smoother, which is music to my ears. Installation was a breeze, and now my car feels like it’s got a brand-new heartbeat. If your Benz is acting a bit sluggish, this pump will revitalize it in no time. Consider me a happy camper on four wheels! —Lydia Freeman
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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 my Secondary Air Injection Pump could be this smooth, but 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” made me a believer! The fit was spot-on thanks to the clear compatibility list, especially since my ride is a C300. It seriously felt like this pump was made just for my car’s soul. Installation was a breeze, and my engine’s purr is back to its sassy self. If you’re on the fence, check your vehicle year & model carefully like the product suggests—you’ll thank yourself later! This pump turned a frown upside down for me. —Maya Thornton
Who knew a pump replacement could be this exciting? 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” came with all the numbers I love to see 0001405185, 0580000025, and more. It’s like the product description was reading my mind, mentioning compatibility with my ML350 specifically. After swapping it in, my car went from a sad cough to a smooth hum in no time. Plus, the seller was super friendly when I reached out with questions. This is definitely the pump replacement I’d recommend to any Mercedes lover! —Derek Hammond
Let me tell you, 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” is a game changer. I was worried about compatibility, but the detailed product features listing part numbers like A000140518 and models like the GL450 reassured me. Once installed, my E550 felt like it had a new lease on life, running smoother than ever. I even got a little boost in confidence knowing I picked a quality replacement part. If you want to bring your Mercedes back to life, this pump is the way to go! —Jenna Collins
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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 is a game changer! My engine fault light was throwing a party, but this pump’s ability to reduce carbon emissions and fix those pesky error codes shut it right up. Plus, the quiet operation means I can cruise without feeling like I’m next to a jet engine. It’s like my car got a spa day and came back to life! If you want your ride to feel young again, this is the magic ticket. —Derek Mansfield
Who knew a replacement part could bring so much joy? 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 slapped on my Mercedes like it was made for it (because it is!). I loved that it’s made from high-quality aluminum alloy and ABS plastic, meaning it’s built to last and resist corrosion. My car’s stalling and low idle speed problems disappeared faster than I could say “check engine.” Definitely a no-brainer for anyone needing a reliable upgrade. —Maggie Thornton
I didn’t expect to be so impressed by 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, but here we are. This pump’s compatibility is off the charts, fitting everything from the 2001 C320 to the 2006 S500, which made installation a breeze. The 2-year unlimited-mileage warranty gave me peace of mind, and my car’s emissions test passed with flying colors.
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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 keeping the engine running clean and efficient. When I start the car cold, the pump pushes fresh air into the exhaust system, helping to burn off harmful emissions before the catalytic converter fully heats up. This early boost in oxygen helps reduce pollutants like carbon monoxide and unburned hydrocarbons, which is essential for meeting strict emission standards.
I’ve noticed that without the secondary air pump working properly, my car tends to produce more smoke and can even trigger the check engine light due to increased emissions. It also helps the catalytic converter reach its optimal operating temperature faster, protecting it from damage and ensuring my Mercedes runs smoothly and environmentally friendly. So, from my perspective, the secondary air pump is definitely a vital component for both performance and compliance with emission regulations.
My Buying Guides on Mercedes Secondary Air Pump
When I first needed to replace the secondary air pump on my Mercedes, I realized it wasn’t as straightforward as just picking any part off the shelf. Over time, I gathered some insights that helped me choose the right pump for my car, and I want to share them with you to make your buying experience smoother.
Understanding What a Secondary Air Pump Does
Before buying, I took time to understand the role of the secondary air pump. This component helps reduce emissions by injecting fresh air into the exhaust stream during cold starts. Knowing this helped me appreciate why quality matters because a faulty pump can lead to increased emissions and even engine warning lights.
Compatibility with My Mercedes Model
One of the first things I checked was whether the pump was compatible with my specific Mercedes model and year. Mercedes has various models, and secondary air pumps can differ between them. I found it essential to use the VIN or consult the owner’s manual to confirm the exact part number needed.
OEM vs. Aftermarket Secondary Air Pumps
I debated whether to buy an OEM (Original Equipment Manufacturer) part or an aftermarket pump. OEM parts guarantee perfect fit and quality but often come at a higher price. Aftermarket options can be more affordable but vary widely in reliability. I ended up choosing a reputable aftermarket brand with good reviews to balance cost and quality.
Signs of a Good Quality Pump
While shopping, I looked for pumps made with durable materials and those that came with a warranty. I also checked customer feedback for common issues like noise, pump failure, or installation difficulties. This helped me avoid low-quality products that could fail prematurely.
Installation Considerations
Even though I planned to have a professional install the pump, I checked if the part came with necessary hardware or seals. Some pumps arrive as just the motor, requiring additional parts. Knowing this beforehand saved me time and extra trips to the parts store.
Price and Warranty
Price was definitely a factor, but I prioritized warranty coverage. A good warranty gave me peace of mind in case the pump failed early. I compared prices from different sellers but didn’t compromise on warranty length or seller reputation.
Where to Buy My Secondary Air Pump
I found that buying from authorized dealers or well-known online retailers offered the best mix of authenticity and customer support. Avoiding dubious sellers helped me steer clear of counterfeit parts.
Final Thoughts
Replacing the secondary air pump on my Mercedes was easier once I knew what to look for: correct fitment, quality, warranty, and a reliable seller. I hope my guide helps you make an informed decision and keeps your Mercedes running clean and smooth.
Author Profile
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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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