Smart Forfour knock sensor replacement

Fixter gets you the best price for your Smart Forfour's knock sensor replacement

Collection & Delivery from your door

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What'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

Learn more about knock sensor replacement

Our in-house mechanics answer the most common questions about knock sensor replacement

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What Fixter customers say about us

Fast, professional, as promised.

Andrejs Caplijevs, Southampton

Excellent MOT service

Excellent service. Car was collected and drop off after the MOT finished. Will be book again. Highly recommended.

Rafal Gornik, Manchester

Smooth pickup and delivery process

Smooth pickup and delivery process! Excellent communication…. Car handled with care!

vaibhav singh, Hounslow

Excellent service at a great price

Excellent service, value and convenience. The online booking process was easy, the pricing transparent, my car was collected and delivered back to me exactly per the booking, the work was carried out with no issues and the communication throughout was excellent. Highly recommended.

Paul Varoujian, Woking