Mercedes-AMG - SLSMercedes SLS AMG Battery Replacement in Dubai
Before anything is fitted to an SLS AMG, one question has to be answered: is the battery in this car lead-acid or lithium? Mercedes offered a lithium-ion starter battery on this model, quoting a saving of around eight kilograms over the conventional unit, and a lithium battery is charged and handled differently from an AGM. Battery Zone UAE establishes which your car has before touching it, and comes to wherever the car is kept in Dubai.
Mercedes SLS AMG at a Glance
- Battery type
- AGM or lithium
- Lithium saving
- Around 8kg
- Not interchangeable
- Correct
- Engine
- 6.2 litre M159 V8
- Typical use
- Stored, driven rarely
- Service
- At your garage
Lithium was offered on the Black Series.
Mercedes quoted 17.6 pounds over the conventional unit.
A lithium car is not simply refitted with an AGM.
Naturally aspirated, a substantial starting load.
Which is the hardest regime a battery faces.
By appointment, anywhere in Dubai.
Mercedes SLS AMG by Generation
One car, one engine, and two quite different answers to what the battery should be. The specification of your individual car decides it.
The gullwing coupe and the roadster with the 6.2 litre M159 V8. A conventional lead-acid starter battery on the great majority of these cars, sized for turning over a large naturally aspirated engine.
The lightweight version, where Mercedes fitted a lithium-ion battery in place of the conventional starter battery and quoted a saving of 17.6 pounds. A different chemistry with different handling and charging requirements.
The all-electric SLS, with a high-voltage pack built into the carbon monocoque spine. A different vehicle entirely and not a conventional battery replacement job.
Why the Chemistry Has to Be Established First
A lithium starter battery and an AGM look broadly similar sitting in a tray, and they are emphatically not the same component. They charge to different voltages, tolerate deep discharge differently, and respond differently to the heat of a Dubai summer and to months of standing. Fitting the wrong one is not a matter of a slightly shorter life, it is a car whose charging system is working against the battery it has been given.
Mercedes offered lithium on the Black Series as a weight-saving measure on a car where every kilogram was being argued over, quoting the reduction at 17.6 pounds. On an ordinary SLS the starter battery is conventional. Because the cars look alike and the documentation varies, Battery Zone UAE confirms what is physically in your vehicle before ordering or fitting anything.
The other thing worth saying is what we will not do. If your car has lithium and you want lithium, we will say honestly whether we can supply it, rather than quietly fitting an AGM and leaving you to find out. On a car of this value and rarity, an honest no is worth more than a convenient yes.
A Car That Is Stored More Than It Is Driven
In Dubai the SLS is usually a third or fourth car, and that use pattern is what kills its battery.

Before You Take the Car Out
If an SLS has been standing, a few minutes of checking beats a recovery truck on the day.
Have the battery tested under load rather than trusting a resting voltage reading
Confirm which chemistry the car actually has before buying anything
Check the charging output once the engine is running, not only the battery
Measure what the car draws while locked if it has gone flat while stored
Ask about a maintenance charger suited to the battery your car carries
Replace a battery that is more than three years old before a long drive rather than after
How an SLS Appointment Works
Identified First
Model, year and specification, so Battery Zone UAE knows whether this is a lithium car before anything is ordered.
We Attend the Storage
Private garage, storage facility or showroom, by appointment, anywhere in Dubai. The car does not need to be driven or trailered.
Tested and Discussed
Battery under load, charging output, and the draw while the car sleeps if it has been flattening itself in storage.
Fitted or Referred
The correct battery fitted and the car's memory preserved, or an honest explanation if what your car needs is something we do not supply.
Mercedes SLS AMG Battery Questions
Some do. Mercedes fitted a lithium-ion battery in place of the conventional starter battery on the SLS AMG Black Series, quoting a weight saving of 17.6 pounds, roughly eight kilograms. The great majority of standard SLS coupes and roadsters use a conventional lead-acid battery. Battery Zone UAE confirms which your car has before fitting anything.
It is not something to do casually. The two chemistries charge to different voltages and behave differently under deep discharge and heat, so the car's charging system would be managing a battery it was not set up for. If your car came with lithium, that is the conversation to have before any part is ordered.
That is the single most common SLS call we take. Standing at a partial state of charge through a Dubai summer is harder on a battery than driving the car. Battery Zone UAE comes to the storage location, tests under load, and either recovers the battery or replaces it there.
For a vehicle driven a few times a year, yes, and it is the most effective thing you can do for it. The charger has to suit the battery chemistry, which is another reason to establish what the car has. We will specify something appropriate during the visit.
Not if power is maintained through the swap, which is how we do it. On a low-mileage car that has been carefully kept, losing stored settings and having warnings appear afterwards is an avoidable annoyance.
Yes. Battery Zone UAE attends private garages, storage facilities and showrooms across Dubai by appointment, and will work around access arrangements. The car stays where it is and is not driven anywhere.
Not Your Model?
We fit batteries across the whole Mercedes-Benz range, and the marque page lists every model we cover.
We Cover All Of Dubai
Mobile units are positioned across the city for the fastest possible response. We're closest to Business Bay and Downtown Dubai, with rapid coverage extending to Al Karama, Al Jaddaf, and offices, residential areas, and highways citywide.
SLS Not Starting After Storage? Let Us Identify It First
Battery Zone UAE comes to your garage or storage facility anywhere in Dubai, establishes what battery your SLS actually carries, tests it under load and advises honestly on what it needs. By appointment.
- Both batteries tested
- Coded to the car
- Old unit recycled

