Mercedes-AMG GT Roadster Alternator replacement Cost
2019–2023 · Engine, Fuel & Emissions system
Typical range
$593–$5.6k
Parts + labour
Labour hours
1.5–4.5h
At a typical garage
The alternator charges the battery and powers the electrical system while the engine is running. Warning signs include a battery warning light, dimming headlights, or a car that won't start after short trips. Mercedes-AMG GT Roadster alternator replacement typically costs $593–$5590 at an independent garage.
Typical parts included
- Alternator
- Alternator voltage regulator
What affects the price
- OEM vs remanufactured alternator unit
- Output amperage (higher on models with heavy electrical loads)
- Accessibility in the engine bay—some require partial disassembly
Common questions
How long does this repair take?
Alternator replacement on a Mercedes-AMG GT Roadster typically takes 1.5–4.5 hours at a garage.
How often does this need to be done?
For a Mercedes-AMG GT Roadster, this is typically needed typically every 80,000–150,000 miles; replacement is usually on failure rather than a set schedule.
Other engine, fuel & emissions system repairs on the Mercedes-AMG GT Roadster
- ABS hydraulic unit replacement$536–$995
- ABS sensor replacement$221–$410
- ABS system bleeding$176–$328
- AC compressor clutch replacement$441–$819
- AC compressor replacement$473–$878
Alternator replacement cost on similar cars
- MERCEDES BENZ E-Klasse Cabriolet and predecessors$315–$585
- BMW Z4 Roadster$315–$585
- SAAB 9-3 Convertible$315–$585
- AUDI A4 Cabriolet$315–$585
- CHEVROLET Camaro Convertible$378–$702
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