Mercedes-Benz GLC Battery: Specs, Fitment & Common Faults
On the GLC, most Mercedes models genuinely don't require any coding for a simple, like-for-like battery swap — the only genuine coding needed is if you're switching battery types entirely.
Illustration for editorial purposes
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OEM Part Number: Type 115 AGM
| GLC 220d / 250d / 300d (OM651 / OM654) | Type 115 AGM (80Ah / 800A). Aftermarket: Yuasa YBX9115 AGM (80Ah / 800A); Varta A6 / F21; Bosch S5A 110 |
|---|---|
| GLC 200 / 250 / 300 petrol (M274 / M264) | Type 096 or 115 AGM (70–80Ah / 760–800A). Aftermarket: Yuasa YBX9096 AGM (70Ah / 760A); Varta A7; Bosch S5A 080 |
| GLC 43 / 63 AMG | Type 115 AGM (80–95Ah / 800–850A). Aftermarket: Yuasa YBX9115 AGM (80Ah / 800A); Varta A6 / F21; Bosch S5A 110 |
| Auxiliary battery (all) | Varta AUX1 (35Ah / 520A) or AUX14 (13Ah / 200A) class — confirm which via VIN |
Mercedes-Benz GLC Battery: The Part Everyone Blames First, Not Always Correctly
When a Mercedes-Benz GLC won't start, the battery is the first suspect more often than anything else, and it's right often enough that checking it first is a reasonable move. It isn't always the actual cause though, which is worth knowing before paying for a replacement that solves nothing.
Mercedes-Benz GLC Battery: Watch: Replacing It
Filmed on a GLC.
Mercedes-Benz GLC Battery: What It Does
Starting the engine and running electrical systems whenever the engine isn't turning — that's the Mercedes-Benz GLC's 12V battery job. If it has stop-start, it works much harder than older designs, since the engine cuts out and restarts constantly, which is exactly why it needs a specific AGM or EFB battery rather than a standard one.
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A Genuinely Honest, Real Finding Worth Knowing — Mercedes-Benz GLC Battery
This is genuinely worth knowing before assuming a battery swap requires specialist coding: unlike some other German manufacturers, most Mercedes models genuinely don't require any coding or registration for a simple, like-for-like battery replacement. The only genuine coding requirement worth knowing about is if you're switching battery types entirely, such as fitting an AGM battery in place of a standard flooded lead-acid unit, since these have different charging characteristics the car's computer needs to know about.
It's also genuinely worth knowing that intermittent electrical glitches, such as random warning chimes or unexpected wiper activation, can be a sign of an ageing battery on a car of a certain age, worth having it properly load-tested before assuming a more complex fault.
Mercedes-Benz GLC Battery: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Battery Guide for warning signs to watch for, confirming fitment against your VIN, and matching the right technology (standard, EFB, AGM) when buying aftermarket.
More Mercedes-Benz Battery
The same part, covered across other Mercedes-Benz models.