Smart Racer

22/05/2026

Are you dealing with weird electrical glitches, slow cranks, or random dashboard lights on your Smart Roadster or Fortwo 450?

The culprit is often a corroded or broken battery ground cable. In new video, we are tackling this classic Smart car issue step-by-step! I’ll show you how to replace and upgrade both the main battery ground wire and the rear engine ground strap to heavy-duty leads. 🔌💥

Plus, my battery was completely loose because the original hold-down clamp was missing, so I’m showing you a quick and secure DIY solution to fix it in place! 🛠️

Since doing this upgrade, I’ve noticed a real difference in how the car runs and starts—making it a well-worth DIY fix to keep your Smart reliable.

Full Video Here:
👉 https://youtu.be/zGTnPc2zszI

20/05/2026

We said goodbye to the golden Roadster, because of it we started the Smart Racer YT channel. We are continuing strongly with the blue Roadster, for which we have over 10 videos prepared. A lot of quality content awaits you. If you missed something, check out our YouTube channel https://www.youtube.com/ or our website where we will post all the tutorials and useful information www.thesmartracer.com

16/05/2026

I spent hours replacing the battery cables, ground cables, coils, and plugs, but the engine still wouldn't turn over properly. It turns out the alternator was the real culprit! I found a way to free it up using a 24mm spanner and some chain l**e without having to drop the whole engine.

Check out the full fix here: https://youtu.be/xg90vnJ0gIg

Tag a fellow Smart owner who needs this trick!

Is your Smart Roadster suffering from a painful starting delay, or is it completely struggling to turn over? You might be chasing the wrong problem!Even afte...

13/05/2026

One in motion
www.thesmartracer.com

11/05/2026

Roadster in motion

02/05/2026

NEW VIDEO IS LIVE! Smart Roadster 452 & Fortwo 450 – Vacuum & Boost
Hose Arrangement COMPLETE Guide

Ever replaced a turbo part, cycle valve, or boost solenoid on your Smart
Roadster or Fortwo 450... and then stared at a pile of hoses with zero
idea where they go? 😅

👉 Watch here: https://youtu.be/LH2NpWqgcGA

✅ Wastegate Actuator hose routing
✅ Cycle Waste Valve (CWV) connections
✅ Boost Control Solenoid (BCS) pipes
✅ TIK pipe, ESV, check valve location
✅ Works for BOTH Roadster 452 & Fortwo 450

No more guessing. No more boost leaks. 🚫💨

Drop a 👍 if this helped you or tag a fellow Smart owner who needs this!

28/04/2026

How to remove the rear bumper?
3min Video:

50 likes. "How to Remove the Rear Bumper: Smart Roadster 452"

20/04/2026

I have some extra parts FOR SALE on eBay: https://www.ebay.de/usr/smart_car_shop

18/04/2026

After weeks of work, I finally replaced my turbo myself…

This wasn’t an easy job — from a failing, oil-leaking turbo to a full replacement step-by-step.

I documented the entire process, including mistakes, tips, and the final result.

If you're into cars, DIY repairs, or performance upgrades — this one is for you.

🎥 Watch here: https://youtu.be/g8dgWd7aYok

👉 Would you try this yourself or leave it to a mechanic?

1 like, 1 comment. "I Didn’t Expect This… Replacing My Turbo Changed Everything"

13/04/2026

How much stuff can you put inside Smart Roadster?
www.thesmartracer.com
How much stuff can you put inside the Smart Roadster?