PORSCHE 911 Carrera S Key fob battery replacement Cost
2012–2015 · Engine, Fuel & Emissions system
Typical range
$36–$89
Parts + labour
Labour hours
0.2–0.5h
At a typical garage
The 12 V battery starts the engine and powers electronics when the car is off. Most batteries last 3–5 years; warning signs include slow cranking, a battery warning light, and electrical gremlins. PORSCHE 911 Carrera S battery replacement typically costs $36–$89 including the new battery.
Typical parts included
- Key fob battery
What affects the price
- Battery group size and CCA (cold cranking amps) rating
- OEM vs aftermarket brand (Bosch, Varta, Optima)
- Whether the ECU requires a reset or recalibration after replacement
Common questions
How long does this repair take?
Key fob battery replacement on a PORSCHE 911 Carrera S typically takes 0.2–0.5 hours at a garage.
How often does this need to be done?
For a PORSCHE 911 Carrera S, this is typically needed every 3–5 years, or sooner in extreme hot or cold climates.
Other engine, fuel & emissions system repairs on the PORSCHE 911 Carrera S
- 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
Key fob battery replacement cost on similar cars
- CHEVROLET Camaro$35–$64
- BMW 4 Series Coupe$32–$58
- FORD Mustang$35–$64
- HONDA Accord Coupe$32–$58
- AUDI A5$35–$63
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