BENTLEY Mulliner Key fob battery replacement Cost
2020–2023 · Engine, Fuel & Emissions system
Typical range
$53–$134
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. BENTLEY Mulliner battery replacement typically costs $53–$134 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 BENTLEY Mulliner typically takes 0.2–0.5 hours at a garage.
How often does this need to be done?
For a BENTLEY Mulliner, this is typically needed every 3–5 years, or sooner in extreme hot or cold climates.
Other engine, fuel & emissions system repairs on the BENTLEY Mulliner
- ABS hydraulic unit replacement$625–$1.2k
- ABS sensor replacement$257–$478
- ABS system bleeding$206–$382
- AC compressor clutch replacement$515–$955
- AC compressor replacement$551–$1.0k
Key fob battery replacement cost on similar cars
- BMW 3 Series Cabriolet$37–$68
- RENAULT Megane Cabriolet$37–$68
- VOLKSWAGEN Beetle Cabrio$37–$68
- MERCEDES BENZ E-Klasse Cabriolet and predecessors$37–$68
- AUDI A5 Cabriolet$37–$68
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