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Mercedes-Benz SLR batteries

Car Batteries

Which battery does a Mercedes-Benz take?

Based on 444 orders from Mercedes-Benz owners, the best-selling batteries are battery Varta A6 12V 80Ah 800A AGM, battery Varta A5 12V 95Ah 850A AGM and Car battery Varta AUX14 12V 13Ah 200A. Capacity ranges from 1 to 105 Ah depending on model and engine: confirm it by choosing your model.

Which battery each Mercedes-Benz takes

For guidance: the exact battery depends on engine and year. Confirm it by choosing your version. Data from 444 real orders from Mercedes-Benz owners.

What Mercedes-Benz owners buy

Reviews from Mercedes-Benz owners

  • ★★★★★

    «Instalada en un Mercedes GLA 200d del 2017. 30.000 km/año aproximadamente. Encaja perfectamente en el alojamiento. De momento, todo bien y el Start/Stop funciona sin incidencias.»

    Pedro P. · Mercedes-Benz Gla-Class · Varta A6 12V 80Ah 800A AGM
  • ★★★★★

    «Selected from UK…delivered to Spain Garage fitted all within 48hrs And very competitive price»

    Colin W. · Mercedes-Benz Clk Convertible · Car battery Varta E44 12V 77Ah 780A
  • ★★★★★

    «Buenos precios envios super rapido es la segunda vez que compro aqui y en las dos ocasiones 10 de 10. Lo recomiendo sinnduda.»

    Jesus G. · Mercedes-Benz A-Class · Varta A7 12V 70Ah 760A AGM

For the Mercedes-Benz SLR (2 generations, 2004-2025) we carry 4 matching batteries, rated between 13 and 95 Ah with 200 to 850 A cold cranking. Prices open at 70.20 €, VAT included.

  • 📅 2004–2025
  • 🚗 2 generations
  • 🔋 4 compatible batteries
  • from 70.20 €

Frequently asked questions

It depends on the generation and engine: there are 4 compatible batteries in total, from 13 to 95 Ah and 200 to 850 A of cold cranking. The best sellers for this model are Start-Stop battery Varta A7 12V 70Ah 760A AGM, Start-Stop battery Varta A5 12V 95Ah 850A AGM, Car battery Varta AUX14 12V 13Ah 200A. With your plate we tell you the exact one in seconds.
Between 70.20 € and 179.99 €, VAT included, depending on capacity and technology (AGM, lead-acid). Start-Stop versions (AGM or EFB) sit at the top of the range because they withstand many more cycles.
By the registration year: Slr Roadster (2006-2025); Slr (2004-2025). If your year falls in the overlap between two generations, tell them apart by body type (hatchback, estate or coupé) or use the plate finder, which settles it with no doubt.
Yes, as long as the dimensions fit the tray and the terminal layout matches. More capacity (Ah) and more cold cranking (A) do not harm the vehicle: the alternator charges it the same and you gain margin in winter. What you must never do is go below the original figures.
Between 4 and 6 years in normal use. Start-Stop batteries (AGM/EFB) tend to last slightly less in city driving because of the number of starts, but they are designed for that cycling. If the car sits unused for weeks or you notice slow cranking in the cold, get it checked.

Best-selling batteries for the Mercedes-Benz SLR · Updated 25/10/2026

  • 🚚 24h shipping
  • 🛡️ Official warranty
  • ↩️ Free 14-day returns

How to know which battery your Mercedes-Benz SLR takes

Easiest of all is the number plate lookup: those few characters tell us the precise variant, the engine and the original battery, so you need not check anything else.

Another route is the vehicle paperwork: the registration date places you in one of the generations listed. In the overlap years, body style is the detail that separates them.

As a final check, look at the battery currently fitted: the label shows capacity (Ah) and cold cranking amps (A). Always replace with equal or higher figures, never lower, and keep the same dimensions and terminal layout.

Start-Stop: which battery your SLR needs

The later SLR generations run Start-Stop, which puts the battery through hundreds of micro-cycles a day. These cars require EFB (basic Start-Stop) or AGM (Start-Stop with regenerative braking): fitting a conventional battery instead cuts service life to a few months and the ECU may disable the function. Rule of thumb: never downgrade from the technology fitted at the factory.

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