Mercedes-Benz - GLAMercedes GLA220 Battery Replacement in Dubai
A GLA leads a hard life in Dubai without ever going anywhere difficult. It lives in a basement bay, does a few kilometres to the office, and often carries a tracker or a camera that somebody else wired in. Short journeys never put back what starting takes, and anything fitted afterwards keeps drawing once you have walked away. Battery Zone UAE tests the main battery, the small auxiliary and what the car draws while parked, at your building anywhere in Dubai.
Mercedes GLA220 at a Glance
- Main battery
- Engine bay AGM
- Auxiliary battery
- Small sealed unit
- Auxiliary position
- Passenger footwell area
- Hardest on it
- Short runs
- Common addition
- Trackers and cameras
- Where we work
- Basement car parks
Passenger side; an H6 or H8 class case.
Roughly 12 to 14Ah, about the size of a motorcycle battery.
Most often under the cabin filter housing.
A few kilometres never replaces what starting takes.
Fitted after sale and not always wired to sleep.
Anywhere in Dubai, 24 hours a day.
Mercedes GLA220 by Generation
The name stayed the same, the electrical system did not. Find the years your car was built in and the differences that matter.
The original GLA, built on the A-Class platform. Main AGM in the engine bay on the passenger side, with a small auxiliary battery most consistently reported in the passenger footwell area under the cabin filter housing.
The second GLA, taller and with MBUX in the cabin, which means more standing electrical load to settle after you lock it. The battery job is unchanged in shape, and the auxiliary unit remains.
Short Trips Are the Problem, Not the Mileage
Starting an engine is the single largest withdrawal a battery makes, and the alternator spends the following minutes putting it back. On a drive of a few kilometres from a basement to an office car park, it does not finish the job. Do that twice a day, every day, and the battery lives permanently at less than full charge, which is precisely the state in which heat does its damage fastest.
That is why a GLA with very low mileage can need a battery sooner than one that covers long distances. The car has not worked hard, but its battery has never been allowed to recover either. Owners describe it as a car that was fine for two years and then failed with no warning, which is exactly what this pattern produces.
Add what gets fitted afterwards. Trackers on financed cars, dash cameras wired to a permanent live, alarms and audio installed by whoever was cheapest. Any of those that does not go properly to sleep keeps drawing after you have gone upstairs, and a car that is already undercharged has no reserve to absorb it.
What We Look At on a GLA
Two batteries and one question: is anything still awake after you lock it?

Does This Sound Like Your Car?
The pattern is consistent enough that owners recognise themselves in it.
Low mileage, short daily journeys, parked in a basement the rest of the time
Fine for two years, then failing suddenly with no real warning
Flat after a long weekend or a week away, then fine once driven again
Trouble that began after a tracker, camera or alarm was installed
An auxiliary battery message while the engine still starts normally
Start-stop that has quietly given up engaging in traffic
What the Visit Involves
Tell Us the Pattern
How far you drive, how long it sits, and what has been fitted since you bought it. All three change the diagnosis.
We Come to the Bay
Basement car parks included, anywhere in Dubai, 24 hours a day. The car does not need to be driven out or recovered.
Both Batteries, Plus the Draw
Main and auxiliary under load, the charging output, and what the car takes once it has properly settled after locking.
Fitted and Advised
The failed unit replaced and registered, plus a straight answer about anything that is keeping the car awake.
Mercedes GLA220 Battery Questions
Sources vary, but the most consistently reported position on the X156 is the passenger footwell area, under or behind the cabin filter housing, reached by lifting the mat. It is a small sealed unit of roughly 12 to 14Ah, about the size of a motorcycle battery. Our technician checks the car rather than relying on one source.
Because short trips are harder on a battery than long ones. Starting takes a large amount of current and a few kilometres does not give the alternator time to replace it, so the battery sits permanently below full charge, which is the state in which Dubai heat does its damage fastest.
It can be. Trackers, dash cameras and alarms fitted after the car was sold are wired outside the vehicle's own systems, and not all of them sleep properly. We identify what is fitted and measure whether the car is still drawing current once it has settled, which answers the question without guesswork.
It means the little backup battery is no longer holding the voltage the car wants from it. It supports the electronics during start-stop restarts and is a separate part with its own lifespan. Replacing the main battery will not clear the message, so both are tested before anything is fitted.
Yes, and a great many of our GLA visits are exactly that. Battery Zone UAE works in building car parks across Dubai, 24 hours a day. If the car cannot be moved, that is the normal situation rather than a complication.
Give it a longer run occasionally rather than only short hops, and have anything added after sale checked for how it behaves when the car is locked. If the car regularly sits for a week or more, a maintenance charger is worth considering. Our technician will say which of these applies to your car.
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.
GLA Flat in the Basement? We Come Down to It
Battery Zone UAE tests both batteries and what your car draws while parked, in your building's car park anywhere in Dubai, and fits the right unit on the spot. Any hour.
- Both batteries tested
- Coded to the car
- Old unit recycled

