Does the SEAT Leon St 1.6 TDI 4drive need an AGM or EFB battery?

If your SEAT Leon St 1.6 TDI 4drive has start-stop, regenerative braking or many electrical accessories, you will need an AGM or EFB battery. Check your vehicle's technical specifications.

What type of battery does my car need?

You need the make, model and engine. If your car has Start-Stop (the engine switches off at traffic lights), it needs an EFB or an AGM battery, depending on what it came with: if it has an AGM, fit another AGM; if it has an EFB, another EFB or an AGM. On cars with battery management (BMW, Mercedes, VAG group…), moving from EFB to AGM requires coding the new battery. Without Start-Stop, a conventional battery is fine, or an EFB or AGM if you want a longer life.

What is the difference between AGM, EFB and standard batteries?

A conventional (lead-acid) battery is for cars without Start-Stop. An EFB is a reinforced conventional battery for basic Start-Stop. An AGM offers the highest performance and is fitted as standard on cars with advanced Start-Stop, regenerative braking or high electrical demand. Replacement rule: an AGM only with another AGM; an EFB with another EFB or an AGM; a conventional battery with any of the three. Never move down in technology.

How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

What warranty do the batteries have?

All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

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SEAT Leon ST 1.6 TDI 4Drive

Batteries for SEAT Leon ST 1.6 TDI 4Drive 110 hp (diesel, 2014-2020)

All engines and prices for this model: battery SEAT Leon →

SEAT · Leon ST

Which battery does a SEAT Leon ST 1.6 TDI 4Drive need?

Specifications and battery: 1.6 TDI 4Drive (110 hp)

Battery for SEAT Leon ST 1.6 TDI 4Drive (110 hp, diesel, 2014-2020): a 70 Ah, 760 A AGM battery (278 × 175 × 190 mm), with the positive terminal on the right. Its system needs AGM technology, so a conventional battery will not do. (CXXB)

Recommended battery for this engine Start-Stop battery Varta A7 12V 70Ah 760A AGM €134.95 incl. VAT

View battery →

Brand: SEAT
Model: Leon ST (5F8)
Built: 11/2014 - 08/2020
Power: 81 kW / 110 hp
Fuel: Diesel
Engine size: 1,598 cc (1.6 L)
Cylinders: 4
Body type: Estate
Drive: All-wheel Drive
Engine codes: CXXB
Start-Stop battery: Yes (AGM/EFB)

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Main	AGM	70 Ah	760 A	278 × 175 × 190 mm	+ on the right

The same batteries also fit the 1.4 TGI (110 hp), 1.4 TSI (140 hp), 1.4 TSI (150 hp), 1.4 TSI (125 hp) and 11 more engines of this model.

Data: vehicle specifications and the battery manufacturer's application catalogue.

EFB, AGM or conventional for this engine?

The SEAT Leon ST 1.6 TDI 4Drive has Start-Stop, so it needs an AGM battery of around 70 Ah to cope with the hundreds of restarts a day. A conventional battery in its place lasts a few months and the control unit ends up disabling Start-Stop. If the original was EFB you can upgrade to AGM, never the other way round.

🔧 Battery Expert Advisor

Battery analysis for your SEAT Leon ST 1.6 TDI 4Drive

Quick answer You need an AGM battery of 70 Ah. Our recommendation: VARTA A7.

VARTAA7

AGM70 Ah760 A278×175×190

€134.95

Buy

Prices and availability updated on 29/10/2026

Based on the batteries we found for your vehicle, our experts help you pick the right one.

📋 What we found

For your SEAT Leon ST 1.6 TDI 4Drive we found 4 compatible Start-Stop batteries.

⚡ Battery type for your vehicle

✓ Your SEAT Leon ST 1.6 TDI 4Drive uses the Start-Stop system. Every battery shown is compatible — no conventional options to confuse you.

🔋 Technology (AGM / EFB)

Do you know whether your car's current battery is AGM or EFB?

Check your battery label: "AGM" or "VRLA" means AGM; "EFB" means EFB. If it says neither, it is probably conventional: on a Start-Stop car, ask us before buying. Never fit a conventional battery on a Start-Stop car, nor an EFB where an AGM was fitted.

Where do I check if my battery is AGM or EFB?

Can I fit an AGM if my car had EFB?

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our recommendation

For your SEAT Leon ST 1.6 TDI 4Drive we recommend the VARTA A7 (AGM, 70 Ah). It's the battery recommended by the vehicle manufacturer for your SEAT Leon ST 1.6 TDI 4Drive — the OEM equivalent. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.

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Get it tomorrow if you order before 6 PM.

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Verified selection

Class: Car Batteries
Brand: SEAT
Model: Leon ST
Engine: 1.6 TDI 4Drive

Receive them tomorrow before 5 PM if you order before 6 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — the same as your current battery or higher)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

Start-Stop & high energy demand batteries

AGM or EFB battery for start-stop vehicles and for cars with high energy demand (many electrical consumers, frequent starts). More charge cycles, better charge recovery and longer service life.

4 products

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Start-Stop & high energy demand batteries	VARTA	A7	70 Ah	760 A	278×175×190 mm	AGM	€134.95	More info
Start-Stop & high energy demand batteries	VARTA	N70	70 Ah	760 A	278×175×190 mm	EFB	€124.98	More info
Start-Stop & high energy demand batteries	TUDOR	TK720	72 Ah	760 A	278×175×190 mm	AGM	€108.60	More info
Start-Stop & high energy demand batteries	EXIDE	EK720	72 Ah	760 A	278×175×190 mm	AGM	€108.60	More info

Complete your purchase

Chargers

Chargers for your battery

1 product

Battery charger ABSAAR Pro4.0 6/12V 4A Smart Charger
- 6 V
€50.60

Frequently asked questions

: Battery for SEAT Leon ST 1.6 TDI 4Drive (110 hp, diesel, 2014-2020): a 70 Ah, 760 A AGM battery (278 × 175 × 190 mm), with the positive terminal on the right. Its system needs AGM technology, so a conventional battery will not do. Compatible batteries offer 70 Ah, 760 A (CCA), 12 V, case H6/L3, Start-Stop (EFB/AGM) technology. Browse the compatible battery list below.
: If your SEAT Leon St 1.6 TDI 4drive has start-stop, regenerative braking or many electrical accessories, you will need an AGM or EFB battery. Check your vehicle's technical specifications.
: You need the make, model and engine. If your car has Start-Stop (the engine switches off at traffic lights), it needs an EFB or an AGM battery, depending on what it came with: if it has an AGM, fit another AGM; if it has an EFB, another EFB or an AGM. On cars with battery management (BMW, Mercedes, VAG group…), moving from EFB to AGM requires coding the new battery. Without Start-Stop, a conventional battery is fine, or an EFB or AGM if you want a longer life.
: A conventional (lead-acid) battery is for cars without Start-Stop. An EFB is a reinforced conventional battery for basic Start-Stop. An AGM offers the highest performance and is fitted as standard on cars with advanced Start-Stop, regenerative braking or high electrical demand. Replacement rule: an AGM only with another AGM; an EFB with another EFB or an AGM; a conventional battery with any of the three. Never move down in technology.
: Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
: All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
: Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.
: In mainland Spain delivery takes 24-48 working hours if you order before 6:00 pm (Monday to Friday) and the battery is in stock; mainland Portugal takes 1 to 4 working days, the Balearic Islands 2 to 5 working days and other EU destinations 4 to 7 working days. Batteries are shipped fully charged and ready to install.

Guides

: This vehicle uses a Start-Stop battery (AGM or EFB): do not replace it with a conventional one. The manufacturer requires the new battery to be registered via OBD with a diagnostic tool and, if you change technology (EFB → AGM), coded; without this step it lasts much less.

Batteries for SEAT Leon ST 1.6 TDI 4Drive 110 hp (diesel, 2014-2020)

Which battery does a SEAT Leon ST 1.6 TDI 4Drive need?