Learn more about knock sensor replacement
Our in-house mechanics answer the most common questions about knock sensor replacement
Learn moreWhat's included in a knock sensor replacement for Smart Forfour?
What's included
| Read vehicle diagnostic codes | |
| Remove faulty knock sensor | |
| Replace with working knock sensor | |
| No additional work without your approval | |
| We only use manufacturer parts or equivalent | |
| All parts and labour are protected with our Fixter 12-month warranty |
How long does a knock sensor replacement for Smart Forfour take?
| Car model | Average labour time |
|---|---|
| Smart Forfour 1 Prime | 2 h 45 min - 3 h 18 min |
| Smart Forfour 1 Proxy | 2 h 43 min - 3 h 20 min |
| Smart Forfour 0.9 Prime | 2 h 41 min - 3 h 22 min |
| Smart Forfour 0.9 Proxy | 2 h 39 min - 3 h 24 min |
| Smart Forfour 1 Passion | 2 h 37 min - 3 h 26 min |
| Smart Forfour 1.1 Pulse | 35 min - 1 h 28 min |
| Smart Forfour 1.5 Pulse | 33 min - 1 h 30 min |
| Smart Forfour 1 Edition | 2 h 31 min - 3 h 16 min |
| Smart Forfour 1.5 Brabus | 30 min - 1 h 18 min |
| Smart Forfour 0.9 Passion | 2 h 44 min - 3 h 20 min |
| Smart Forfour 1.1 Passion | 42 min - 1 h 22 min |
| Smart Forfour 1.3 Passion | 40 min - 1 h 24 min |
| Smart Forfour 1.5 Passion | 38 min - 1 h 26 min |
| Smart Forfour 0.9 Edition 1 | 2 h 36 min - 3 h 28 min |
| Smart Forfour 1.3 Coolstyle | 34 min - 1 h 30 min |
| Smart Forfour 1 Edition Black | 2 h 32 min - 3 h 15 min |
| Smart Forfour 1 Edition White | 2 h 30 min - 3 h 17 min |
| Smart Forfour 1 Prime Premium | 2 h 45 min - 3 h 19 min |
| Smart Forfour 1 Proxy Premium | 2 h 43 min - 3 h 21 min |
| Smart Forfour 0.9 Edition Black | 2 h 41 min - 3 h 23 min |
