Mercedes-AMG GT 4-DOOR COUPE Fuel injector replacement Cost
2018–2023 · Engine, Fuel & Emissions system
Typical range
$450–$867
Parts + labour
Labour hours
1–8h
At a typical garage
Fuel injectors spray a precisely metered mist of fuel into the combustion chamber; dirty or failing injectors cause rough idle, misfires and poor fuel economy. Professional ultrasonic cleaning is often an option before full replacement. Mercedes-AMG GT 4-DOOR COUPE fuel injector service costs $450–$867.
Warning signs you need this repair
- Rough, lumpy idle — engine shakes more than usual at a standstill
- Engine misfire or hesitation when accelerating
- Check engine light with injector-related or misfire fault codes
- Noticeably worse fuel economy
- Strong fuel smell from the exhaust
Typical parts included
- Fuel injector seal/O-ring kit
What affects the price
- Cleaning vs full replacement of injectors
- Number of cylinders
- OEM vs quality aftermarket (Bosch, Denso) injectors
Common questions
How much does fuel injector replacement cost on a Mercedes-AMG GT 4-DOOR COUPE?
Fuel injector replacement on a Mercedes-AMG GT 4-DOOR COUPE (2018–2023) typically costs between $450 and $867 including parts and labour at an independent garage.
What parts are needed for fuel injector replacement on a Mercedes-AMG GT 4-DOOR COUPE?
Common parts for this repair include: Fuel injector seal/O-ring kit.
How long does fuel injector replacement take on a Mercedes-AMG GT 4-DOOR COUPE?
Fuel injector replacement on a Mercedes-AMG GT 4-DOOR COUPE typically takes 1–8 hours of labour at a garage.
How often does fuel injector replacement need to be done?
For a Mercedes-AMG GT 4-DOOR COUPE, fuel injector replacement is typically needed cleaning every 30,000–40,000 miles as preventative maintenance; replacement is condition-based.
Other engine, fuel & emissions system repairs on the Mercedes-AMG GT 4-DOOR COUPE
- ABS hydraulic unit replacement$421–$771
- ABS sensor replacement$173–$318
- ABS system bleeding$139–$254
- AC compressor clutch replacement$347–$635
- AC compressor replacement$371–$681
Fuel injector replacement cost on similar cars
- CHEVROLET Camaro$446–$817
- BMW 4 Series Coupe$405–$743
- FORD Mustang$446–$817
- HONDA Accord Coupe$405–$743
- AUDI A5$450–$810
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