Mercedes-Benz - CL CoupeMercedes CL600 Battery Replacement in Dubai
Two CL600s built a few years apart need two different jobs. The early cars carry a starter battery under the bonnet and a large consumer battery behind the boot trim that owners put at around thirty kilograms, while later ones drop that entirely and fit a small auxiliary unit behind the dashboard instead. There is also an order in which the terminals come off, and getting it wrong can damage the controller that manages the pair. Battery Zone UAE comes to the car anywhere in Dubai.
Mercedes CL600 at a Glance
- Engine
- V12 biturbo
- Starter battery
- Engine bay
- Consumer battery
- Boot, early cars
- Later cars instead
- Small auxiliary unit
- Disconnect order
- Engine bay earth first
- Also drawing
- Active Body Control
The largest starting load Mercedes builds.
On every year of this generation.
Behind the trim; around thirty kilograms.
Behind the instrument panel, driver's side.
And reconnected last, to protect the controller.
A belt-driven hydraulic system on these cars.
Mercedes CL600 by Generation
Mercedes changed how this car stores its electricity partway through the run, so the build year matters more here than on almost any other model.
Starter battery under the bonnet and a large consumer battery in the boot behind the trim. Replacing the boot unit means dismantling panels and lifting a very heavy battery out of a tight slot.
The boot battery goes. A starter battery under the bonnet remains, with a small auxiliary unit behind the instrument panel on the driver's side taking over the supporting role.
The preceding CL, with its own V12 in CL600 form and Active Body Control from the outset. Older electronics, and a car now at the age where cables and earths deserve as much attention as the battery.
A Twelve-Cylinder Asks a Lot, Twice
A V12 biturbo has more to turn than anything else in the Mercedes range, and in a car this size it is turning it against the drag of a hydraulic suspension system and a cabin full of equipment. The starting load alone puts this among the most demanding batteries we fit, which is part of why Mercedes gave the early cars a dedicated starter battery rather than asking one unit to do everything.
Active Body Control adds to the picture. It is a hydraulic system driven off the engine, and when a car has been standing it has work to do as soon as it runs. A CL that has sat for a fortnight in a Dubai summer is asking a weakened battery to start a V12 and then immediately support everything that wakes up afterwards.
The second demand is the one owners notice first. The engine fires, and then the dashboard fills with messages about systems that have nothing obviously to do with a battery. On this car that is normal behaviour for low voltage, and it is worth testing before anyone starts quoting for suspension or control units.
Which CL600 Job Is Yours
Established from the build year before a technician leaves, because the two jobs are not comparable.
| Early C216 | Later C216 | |
|---|---|---|
| Starter battery | Engine bay | Engine bay |
| Second battery | Large consumer unit in the boot | Small auxiliary behind the dash |
| Access | Boot trim panels removed | Instrument panel side trim |
| Weight involved | Around thirty kilograms | A few kilograms |
| Time on site | Longer, and two people where needed | Considerably shorter |
| Disconnect order | Engine bay earth first | Engine bay earth first |
Reported arrangements vary a little by market and build date, so our technician confirms against the car rather than from a catalogue.
Doing It Without Damaging Anything
On a car with two batteries and a controller between them, the sequence is part of the job.
What a Failing CL600 Battery Looks Like
The electronics complain first on this car, which is why the symptom list looks nothing like a flat battery.
A dashboard of warnings on start-up about systems that then work normally
The suspension taking longer than usual to settle after the car has stood
A bright cabin with no crank at all, which points at the starter battery
Seat, mirror and cabin settings forgotten after a week parked
Doors or boot becoming slow to respond to the key
Any battery past two years old in a car that is driven occasionally
Arranging the Visit
Build Year First
It decides whether this is the boot job or the dashboard job, and therefore what is loaded and how long we will be with you.
We Come to the Coupe
Villa, tower car park or roadside anywhere in Dubai, 24 hours a day, with the right units on board.
Readings Before a Price
Each battery under load, the charging output, and the draw while the car is locked if it has been going flat on its own.
Replaced in the Right Order
Correct sequence at the terminals, memory preserved, the new unit registered where required, warranty issued and the old battery recycled.
Mercedes CL600 Battery Questions
It depends on the build year. Early C216 cars have a starter battery in the engine bay and a large consumer battery in the boot behind the trim. Later cars keep the engine bay battery and replace the boot unit with a small auxiliary battery behind the instrument panel on the driver's side.
Because of where it sits and what it weighs. Owners describe it as around thirty kilograms in a tight slot behind trim panels that have to come apart first. It is manageable with the right approach and awkward without one, which is why it takes us longer than a typical visit and why we send the right equipment.
On this car, yes. The engine bay battery's earth should come off first and go back on last, because the controller that manages the two batteries can be damaged otherwise. It is a small detail with an expensive consequence, and it is part of why we would rather do this job than talk you through it.
It can be. Active Body Control is sensitive to supply voltage, and a weak battery produces messages about systems that are themselves perfectly healthy. Testing the batteries first is quick and rules out the cheap explanation before anyone prices the expensive one.
Yes, including the early cars with the boot battery. Battery Zone UAE works at your villa, building car park or the roadside anywhere in Dubai, 24 hours a day, and the car does not need to be driven or recovered anywhere.
Two to three years is typical, and a car that is driven rarely sits at the lower end rather than the higher one. Standing at a partial state of charge through a Dubai summer is harder on a battery than regular use, which catches out owners of occasional cars.
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.
CL600 Warnings on Start-Up? Test Before You Diagnose
Battery Zone UAE establishes which arrangement your CL600 has, comes to the car anywhere in Dubai, and replaces what has failed in the correct order with the memory kept alive. Any hour.
- Both batteries tested
- Coded to the car
- Old unit recycled