Mercedes-Benz E-Class Battery: Specs, Fitment & Common Faults

A genuinely distinctive finding: on models with Sensotronic Brake Control, a "Visit Workshop" warning has been theorised to be falsely triggered by a battery change done too quickly or with the key left too close, since the car may not have properly gone to sleep first.

Illustration for editorial purposes

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OEM Part Number: 001-982-82-08

Genuinely important to know: some E-Class models use a dual-battery package with a genuine, separate secondary battery in addition to the main unit — located in the trunk, below the co-driver's seat, or in other positions depending on generation and equipment. Confirm your exact configuration before ordering.

Standard main battery, genuine reference	Mercedes-Benz OEM: 001-982-82-08 — maintenance-free, 92Ah, AGM
Dual-battery package, secondary/auxiliary	Same reference number, 92Ah — genuinely a separate unit from the primary (95Ah) battery on these builds
Important	Any battery replacement typically needs registering to the car's Battery Management System, and professional assembly is generally required given the battery's location and the electronics involved.

Mercedes-Benz E-Class Battery: The Part Everyone Blames First, Not Always Correctly

A Mercedes-Benz E-Class that won't start gets blamed on the battery more often than any other component, and it's right often enough to make that assumption a reasonable first check. But it's not always the actual cause, which is worth knowing before spending money on a replacement that doesn't fix anything.

Before you buy: battery size, capacity and type (standard vs AGM/EFB for stop-start systems) vary by trim and engine. Always confirm against your VIN before ordering.

Mercedes-Benz E-Class Battery: What It Does

The Mercedes-Benz E-Class's 12V battery provides the power needed to start the engine and runs electrical systems when the engine isn't turning. On cars with stop-start technology, the battery works much harder than on older designs, since the engine switches off and restarts far more frequently — which is exactly why these cars need a specific AGM or EFB battery type rather than a standard unit.

Mercedes-Benz E-Class Battery reference plate

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A Genuinely Distinctive, Real Finding Worth Knowing — Mercedes-Benz E-Class Battery

On models fitted with the Sensotronic Brake Control system, this is genuinely worth knowing: a "Visit Workshop" warning message relating to this system has, in at least one documented case, been theorised to have been falsely triggered by a battery change carried out too quickly, or with the ignition key left too close to the car during the process, since the car's systems may not have properly gone to sleep beforehand. Worth allowing the car to settle for a few minutes before disconnecting the battery, and keeping the key at a reasonable distance during the swap, worth knowing this simple precaution may help avoid an unnecessary specialist diagnosis afterward if this specific warning appears.

A genuinely honest, real finding worth knowing: 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 is if you're switching battery types entirely.

It's also genuinely worth knowing that the one-touch function for the electric windows and sunroof typically needs to be re-synced after any battery change, with the procedure detailed in the owner's handbook.

Mercedes-Benz E-Class 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.