ABS or ESP warning only
Basic braking may remain while anti-lock or stability support is limited. Avoid harsh braking, high speed, wet roads, and unnecessary driving.
Arrange diagnosis promptly
Find the failed part before paying for a controller
ABS or ESP warnings do not automatically mean the control module has failed. We check the warning history, wheel-speed signals, electrical supply, communication, and hydraulic unit so you can approve the right repair.
Initial ABS and ESP assessment: AED 250–450 including VAT. Build a realistic repair budget.

Start with what the car is telling you
Your next step depends on the warning color, brake-pedal feel, and when the fault appears. Follow the dashboard message and owner’s manual if either gives a more restrictive instruction.
Match the closest symptom. If more than one applies, use the safest instruction.
Basic braking may remain while anti-lock or stability support is limited. Avoid harsh braking, high speed, wet roads, and unnecessary driving.
Arrange diagnosis promptly
A soft or sinking pedal, weak braking, strong pulling, fluid loss, or grinding can indicate a hydraulic or mechanical brake fault.
Stop safely and use recovery
Record when it appears: turning, braking, after rain, at a certain speed, after startup, or after driving over a bump. Intermittent evidence can prevent unnecessary parts replacement.
Send the exact warning and timing
Recent battery, jump-start, wheel-bearing, suspension, tire, or brake work can direct testing toward voltage, wiring, sensor gaps, connectors, or calibration.
Tell us what changed before the light appeared
Arrange recovery when braking feels abnormal, a red brake warning remains on, fluid is leaking, or the vehicle instructs you to stop. Call us if you are unsure whether the vehicle should be moved.
A code is a starting point, not a parts order
The useful result is not simply a list of fault codes. It should show which signal or component failed, what was checked around it, and why the recommended repair matches the evidence.

Battery condition, charging voltage, fuses, grounds, and voltage drop can affect several control units at once.
Customer result: supply fault separated from controller failureLive data can identify a missing or implausible wheel signal. The affected sensor, cable, connector, air gap, bearing, or encoder still needs physical testing.
Customer result: the faulty corner and likely component are identifiedNetwork wiring, connector condition, terminal tension, water entry, power, and ground should be checked when the unit drops off the vehicle network.
Customer result: wiring and connector faults are not mistaken for internal damagePump-motor, valve, pressure-control, and hydraulic findings must be separated from faults inside the electronic controller.
Customer result: module repair is not sold for a pump or brake-system faultAn electronic controller repair becomes reasonable after the external circuits and relevant inputs pass testing and the internal fault remains reproducible.
Customer result: repair, exchange, or replacement is based on a confirmed findingStart with the test, then add only the confirmed work
These estimates include VAT and normal labor for the work described. Your written quote should identify the failed area, supplied part, required setup, and anything not included.
Starting assessment
AED 250–450Warning review, vehicle-wide scan, selected live-data checks, and the initial electrical or physical tests needed to define the next step.
Model, part number, failure type, repairability, access, software requirements, fluid work, and parts availability.
VAT and normal labor for the named work. The quote states the part, installation, testing, and applicable setup included.
Recovery, brake hydraulics, bearings or encoders, battery or charging work, extensive wiring, fluid, and unrelated faults.
Get a more useful first estimate.
Send the model, year, VIN if available, exact warning, pedal feel, recent work, and a dashboard photo.
Know what you are paying for
The exact tests depend on the warning and Mercedes model. The handover should still make the finding, repair choice, price, and next action understandable before you approve additional work.
The exact message, when it appears, pedal behavior, recent work, and relevant driving conditions.
The useful codes, communication status, wheel-speed comparison, or input values that direct the next test.
Applicable power, ground, fuse, connector, network, sensor, wiring, or physical checks around the named fault.
Sensor or circuit repair, original controller repair, exchange unit, new unit, hydraulic work, or further testing.
VAT, supplied part, labor, setup, timing estimate, exclusions, and any applicable warranty conditions.
Relevant rescan, warning check, communication check, applicable calibration, and hydraulic or pedal checks where the system was opened.

Keep the original unit when it remains the sensible option
The answer depends on the failed area, controller condition, compatibility, programming requirements, stock, and whether the hydraulic unit is involved.
Suitable when an internal electronic fault is confirmed and the existing unit can be repaired. This can preserve the vehicle’s original hardware and configuration.
Considered when the original is unsuitable for repair and a compatible tested unit is available. Part number, core return, and setup must be clear.
Used where repair and exchange are unsuitable. The quote should identify the supplied part, availability, installation, and required programming.
A pump motor, valve body, pressure-control, or hydraulic finding needs different work. See Mercedes ABS pump repair when testing supports that area.
Workshop facts you can verify
MercGarage operates from Warehouse 39 in Al Quoz 4. The business states that its team includes Mercedes-trained technicians and uses Star diagnostic equipment for Mercedes work.
Pickup and drop-off service is also listed by MercGarage. Availability, access, timing, and any charge should be confirmed when you book.
The images on this page are labelled AI-generated service images. They support the explanation but are not presented as evidence of completed customer repairs.
Relevant training supports vehicle-specific diagnostic work. It does not imply manufacturer authorization.
Used to read relevant Mercedes systems and data. A scan still needs electrical and physical testing where required.
Warehouse 39, Al Quoz 4, Dubai, with the page’s dedicated call and WhatsApp contact.
A convenience option listed by MercGarage. Confirm suitability and arrangements for the vehicle before relying on it.
Planning scenarios, not customer case studies
These examples show the relationship between the finding and the budget. They are not represented as completed MercGarage jobs because no supporting job cards, invoices, or customer repair records were provided for this page.
Assumption: no internal controller failure is proven. Testing supports unstable voltage, a connector, or a local sensor circuit.
Likely work: assessment and the confirmed localized repair.
AED 350–950Assumption: supply, ground, terminals, and network wiring pass, while the internal communication fault repeats.
Likely work: repair the original controller and verify communication.
AED 950–1,500Assumption: controller failure is confirmed, the hydraulic unit is serviceable, and a matching exchange unit is available.
Likely work: fit, applicable setup, rescan, and verification.
AED 1,800–3,200Final prices and timing depend on the vehicle, fault, part number, stock, and approved work. Verified case studies can be added later only when real job evidence and publication permission are available.
Check the decision before authorizing work
You should be able to answer these questions before paying for a controller, pump, sensor, or replacement unit. If an answer is missing, ask for it in writing.
The sensor, wire, connector, power supply, controller, pump, valve unit, or another brake component is identified.
Relevant live data, circuit checks, communication results, physical inspection, or repeatable internal fault.
Supplied part, labor, VAT, coding, calibration, bleeding, fluid, and verification are itemized where applicable.
Recovery, additional wiring, bearings, hydraulic repairs, unrelated warnings, or unavailable parts are clear.
The part number, source, new or remanufactured status, core return, and programming requirement are stated.
The applicable rescan, warning check, calibration, hydraulic integrity, and normal brake behavior checks are defined.
Any applicable coverage, exclusions, and time or mileage limit appear on the written estimate or invoice.
Mercedes ABS module service in Al Quoz 4
A dashboard photo and accurate history can make the first conversation more useful. We will explain the likely inspection path and confirm workshop or pickup arrangements.
Recovery: do not drive when braking feels abnormal, a red brake warning remains on, fluid is leaking, or the vehicle instructs you to stop.
Mercedes ABS module FAQs
These answers cover the questions that most often change the safety decision, test plan, or final cost.
If only an amber ABS or ESP warning is shown and the pedal feels normal, basic braking may remain while anti-lock or stability assistance is limited. Avoid unnecessary driving and harsh conditions, arrange diagnosis promptly, and follow the dashboard message and owner’s manual. Stop and recover the car for a red brake warning, weak or soft pedal, pulling, fluid loss, grinding, or any instruction to stop.
No. A code can identify a circuit, communication condition, or implausible signal. Power supply, ground, network wiring, connectors, sensors, and related physical components may need testing before an internal module fault is supported.
Low or unstable voltage can set warnings or communication faults in several systems. Battery condition, charging voltage, grounds, fuses, and voltage drop should be checked when the history or fault pattern points to supply instability.
Yes. A sensor, cable, connector, hub encoder, wheel bearing, sensor gap, or contamination can disturb wheel-speed data. Comparing all wheel speeds and inspecting the affected corner helps isolate the cause.
No. The electronic controller processes signals and commands intervention. The hydraulic pump and valve body manage brake pressure. They may be attached within one assembly, but the failed area and repair work can differ.
Some confirmed electronic faults can be repaired in the original unit. Severe internal damage, water damage, unavailable components, or certain constructions may require an exchange or new unit. Repairability is assessed after relevant external causes are excluded.
It can. Requirements vary by model, part number, unit source, and fitted equipment. Matching, programming, variant coding, calibration, and guided bleeding should be quoted only where applicable.
Initial assessment may be completed within a working day when the fault is present and testing is straightforward. Intermittent faults, internal controller repair, part matching, exchange stock, programming, and hydraulic work can extend the time. The written estimate should state the expected timing after the failed area is confirmed.