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Mercedes-Benz EQS: Battery Warranty

Battery limited warranty

Model yearEQS modelsTermCapacity floor
2023EQS Sedan and EQS SUV10 years or 155,000 miles, whichever occurs first, for a battery maintaining its certified status (Edition B 2023)192 Ah (EQS); 197 Ah (EQS SUV)
2025EQS Sedan, including the AMG EQS; EQS SUV, including the Maybach EQS 68010 years or 155,000 miles, whichever occurs first, for a battery maintaining its certified status (Edition A 2025)192 Ah (EQS); 197 Ah (EQS SUV)
2026EQS Sedan; EQS SUV, including the Maybach EQS 68010 years or 155,000 miles, whichever occurs first, for a battery maintaining its certified status (Edition A 2026)192 Ah (EQS); 197 Ah (EQS SUV)
  • The battery coverage supplements the New Vehicle Limited Warranty of 48 months or 50,000 miles, whichever occurs first, and covers defects arising after that warranty expires.

Coverage at a glance

ItemAnswer
What is coveredAny repairs or replacements necessary to correct defects in material or workmanship to the battery arising after the New Vehicle Limited Warranty expires, and any repair or replacement of the battery if its capacity drops below 192 Ah (EQS) or 197 Ah (EQS SUV) during the coverage
Capacity repairsIf possible, the battery's components are repaired or replaced and the original battery returned to the vehicle; if necessary, the battery is replaced with a new or factory re-manufactured lithium-ion battery
Restored toNot necessarily "as new" or 100% energy content, but at least 192 Ah (EQS) or 197 Ah (EQS SUV)
Replacement for a capacity claimIn a condition appropriate to the age and mileage of the vehicle, sufficient to achieve or exceed the minimum battery capacity for the remainder of the original battery's warranty period
Repair standardThe method used to measure battery capacity, the choice to repair, replace or provide reconditioned or re-manufactured parts, and the condition of those parts are at the sole discretion of Mercedes-Benz
Transfers to a second ownerYes. MBUSA warrants the battery to the original and each subsequent owner
Clock startsThe same date as the New Vehicle Limited Warranty
That date, 2023 and 2025Delivery to the first retail purchaser, or entry into service as an authorized dealership demonstrator or an MBUSA, MBUSI or MBRDNA company vehicle, but no later than 18 months from the production date
That date, 2026Except as otherwise required by applicable law, delivery to the first retail purchaser or lessee, or entry into service as an authorized dealership demonstrator or an MBUSA, MBUSI or MBRDNA company vehicle, but no later than 24 months from the production date
Owner's responsibilityEvery required maintenance service must be accomplished to keep the battery coverage valid
Purchaser's obligationsBear all expenses associated with operating the high-voltage battery, particularly electricity costs and insurance premiums, and maintenance and repair costs only if Mercedes-Benz does not assume them; ensure the battery is used exclusively as energy storage for the electric drive vehicle and handled according to the manufacturer's operating instructions; always store the vehicle according to the battery-care instructions in the Owner's Manual, provided that the battery is not connected to a power source; charge the battery properly, using only the approved/recommended charging cable for the vehicle; charge it, at the latest, within 14 days after its charge level has reached zero, according to the charge level display in the vehicle; use it only as intended in the contract, treat it with sufficient care and protect it from damage; make no modifications (e.g. tuning) or improper repairs to the high-voltage on-board electrical system and its components (electric motor, power electronics, charging unit, heating, air conditioning, wiring or the battery itself); connect additional consumers only according to the Owner's Manual; use the battery only in a roadworthy and reliable condition; have maintenance work, including service and additional maintenance work, carried out on the vehicle to Mercedes-Benz specifications within the indicated period
Where it is validThe same geographic restrictions as the New Vehicle Limited Warranty, including restrictions against its applicability outside the United States and Puerto Rico

What is not covered

In addition to the items the New Vehicle Limited Warranty excludes, the 2023, 2025 and 2026 booklets exclude damage or failures resulting from or caused by:

  • Leaving the vehicle parked for more than 14 days with a 0% battery charge displayed.
  • Physically damaging or intentionally attempting to reduce the life of the lithium-ion battery.
  • Exposing the lithium-ion battery to a direct flame.
  • Immersing any portion of the lithium-ion battery in water or fluids.
  • Opening the lithium-ion battery enclosure, or having it serviced by someone other than an authorized Mercedes-Benz Dealership.
  • Neglecting to follow correct charging procedures as recommended in the Operator's Manual.
  • Using incompatible charging devices.
  • Failure to repair an existing problem or otherwise properly maintain the vehicle.
  • Using the vehicle as a power source for alternative functions other than factory installed equipment.

The same booklets also exclude the costs of repairing damage or conditions caused by:

  • Accident, collision, or object striking the vehicle.
  • Towing of the vehicle (Flatbed recommended).
  • Abuse or negligence.
  • Failure to operate the vehicle in accordance with the Operator's Manual.
  • Misuse, such as towing, driving over curbs, overloading, using the vehicle as a power source, or for any other purpose for which the vehicle is not designed.
  • Use of replacement parts other than Genuine Mercedes-Benz parts.
  • Improper repair or maintenance.
  • Fire, explosion, earthquake, windstorm, lightning, hail, flood.
  • Normal wear and tear.
  • Loss of capacity due to or resulting from gradual capacity loss is not covered beyond the terms and limits of the battery warranty.
  • The battery warranty provides no coverage of any kind if the owner, insurer, financing institution or leasing company determined the vehicle to be a "total loss," "write off," or equivalent, or for any parts repaired or replaced under an insurance claim which are not required under the vehicle or battery warranty coverage.

See it for yourself

Scope note

US market, model years 2023, 2025 and 2026, from the battery-electric (EQ) Service and Warranty Information booklet mbusa.com serves for the EQS Sedan and EQS SUV in each of those years. The booklet delivered with a specific car is the authority for that car.