
Post Written By Jackson Briar
How Long Will a Car Run without an Alternator? Running on Borrowed Time
Vehicle Specification Lookup Tool🔍
The Mercedes-Benz GLS450 battery sizes are: H7 (model years 2020 to 2026), H8 (model years 2017 to 2024), or AUX14 (model years 2017 to 2019) as specified in our data below, organized by trim, option package, and model year.
| Year | Trim | Battery Size Code | Battery Size (L X W X H) Inches | Get Here (paid link) |
|---|---|---|---|---|
| 2026 | L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | Amazon |
| 2026 | L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2026 | L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | Amazon |
| 2025 | L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | Amazon |
| 2025 | L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2025 | L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | Amazon |
| 2024 | L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | Amazon |
| 2024 | L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2023 | L6/3.0L; (Electrical System Battery (1)) OR (Electrical System Battery (2)); Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2023 | L6/3.0L; (Electrical System Battery (1)) OR (Electrical System Battery (2)); AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | Amazon |
| 2022 | L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2022 | L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | Amazon |
| 2021 | L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | Amazon |
| 2021 | L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | Amazon |
| 2020 | L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | Amazon |
| 2020 | L6/3.0L; Standard; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | Amazon |
| 2019 | V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | Amazon |
| 2019 | V6/3.0L; Standard; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | Amazon |
| 2018 | V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | Amazon |
| 2018 | V6/3.0L; Standard; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | Amazon |
| 2017 | V6/3.0L; Standard; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | Amazon |
| 2017 | V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | Amazon |
(1) The Battery Council International (BCI) uses battery group codes consisting of letters and numbers (ie. H6, T4, 24, 34r). These refer to the battery size that will best fit (physical dimensions, terminal locations and type) a specific vehicle.
Check out the Battery Size specifications for other makes and models.
The recommended 2026 Mercedes-Benz GLS450 battery sizes are H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2") or H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
The recommended 2025 Mercedes-Benz GLS450 battery sizes are H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
The recommended 2024 Mercedes-Benz GLS450 battery sizes are H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
The recommended 2023 Mercedes-Benz GLS450 battery sizes are H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; (Electrical System Battery (1)) OR (Electrical System Battery (2)); Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; (Electrical System Battery (1)) OR (Electrical System Battery (2)); AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; (Electrical System Battery (1)) OR (Electrical System Battery (2)); AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
The recommended 2022 Mercedes-Benz GLS450 battery sizes are H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
The recommended 2021 Mercedes-Benz GLS450 battery sizes are H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Electrical System Battery; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Electrical System Battery; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
The recommended 2020 Mercedes-Benz GLS450 battery sizes are H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2") or H7 (Length: 12 3/8" x Width: 6 7/8" x Height: 7 1/2") or H7 (Length: 12 7/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| L6/3.0L; Optional, 92 Ah Electrical System Battery; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Standard; AGM; Interstate SCH7 | H7 (94R) | 12 7/16" x 6 7/8" x 7 1/2" | 31.59 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Optional, 92 Ah Electrical System Battery; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
| L6/3.0L; Standard; Pure Lead AGM; Interstate MTZ-94R/H7 | H7 (94R) | 12 3/8" x 6 7/8" x 7 1/2" | 31.43 cm x 17.46 cm x 19.05 cm |
| L6/3.0L; Standard; AGM; Interstate MTX-94R/H7 | H7 (94R) | 12 7/16" x 6 15/16" x 7 1/2" | 31.59 cm x 17.62 cm x 19.05 cm |
The recommended 2019 Mercedes-Benz GLS450 battery sizes are AUX14 (Length: 5 15/16" x Width: 3 7/16" x Height: 5 3/4") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | 15.08 cm x 8.73 cm x 14.61 cm |
| V6/3.0L; Standard; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
| V6/3.0L; Standard; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
The recommended 2018 Mercedes-Benz GLS450 battery sizes are AUX14 (Length: 5 15/16" x Width: 3 7/16" x Height: 5 3/4") or H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | 15.08 cm x 8.73 cm x 14.61 cm |
| V6/3.0L; Standard; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
| V6/3.0L; Standard; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |
The recommended 2017 Mercedes-Benz GLS450 battery sizes are H8 (Length: 13 15/16" x Width: 6 15/16" x Height: 7 1/2") or AUX14 (Length: 5 15/16" x Width: 3 7/16" x Height: 5 3/4") or H8 (Length: 13 7/8" x Width: 6 7/8" x Height: 7 1/2").
| Trim | Battery Size Code | Battery Size (L X W X H) (Imp.) | Battery Size (L X W X H) (Metric) |
|---|---|---|---|
| V6/3.0L; Standard; AGM; Interstate MTX-49/H8 | H8 (49) | 13 15/16" x 6 15/16" x 7 1/2" | 35.4 cm x 17.62 cm x 19.05 cm |
| V6/3.0L; Aux Bat; AGM; Interstate MTX-AUX14 | AUX14 | 5 15/16" x 3 7/16" x 5 3/4" | 15.08 cm x 8.73 cm x 14.61 cm |
| V6/3.0L; Standard; Pure Lead AGM; Interstate MTZ-49/H8 | H8 (49) | 13 7/8" x 6 7/8" x 7 1/2" | 35.24 cm x 17.46 cm x 19.05 cm |

10) Ford Escape
11) Honda Civic

Post Written By Jackson Briar
How Long Will a Car Run without an Alternator? Running on Borrowed Time

Post Written By Jackson Briar
Is Vinegar Safe for Car Paint? The Truth About Vinegar as a Cleaning Agent

Post Written By Jackson Briar
Why Is My Heat Blowing Cold Air In My Car? Understanding the Common Causes