Does the Wiesmann Mf3 Roadster 3.2 need an AGM or EFB battery?

If your Wiesmann Mf3 Roadster 3.2 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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Wiesmann MF3 Roadster 3.2

Batteries for Wiesmann MF3 Roadster 3.2 343 hp (petrol, from 2003)

Wiesmann · MF3 Roadster

Which battery does a Wiesmann MF3 Roadster 3.2 need?

Specifications and battery: 3.2 (343 hp)

Battery for Wiesmann MF3 Roadster 3.2 (343 hp, petrol, from 2003): a 70 Ah, 760 A EFB battery (278 × 175 × 190 mm), with the positive terminal on the right. Without Start-Stop a conventional battery is enough; an EFB or AGM of the same size is an optional upgrade. (S54326S4)

Recommended battery for this engine Start-Stop battery Varta N70 12V 70Ah 760A EFB €124.98 incl. VAT

View battery →

Brand: Wiesmann
Model: MF3 Roadster
Built: 07/2003 - 2026
Power: 252 kW / 343 hp
Fuel: Petrol
Engine size: 3,246 cc (3.2 L)
Cylinders: 6
Body type: Convertible
Drive: Rear-Wheel Drive
Engine codes: S54326S4
Start-Stop battery: Not required

Battery for this engine

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

This engine shares its battery with the 2.8 (193 hp), 3.0 (231 hp), 3.2 (321 hp) and 3.2 (325 hp): the compatible batteries are exactly the same.

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

EFB, AGM or conventional for this engine?

Rule of thumb for the Wiesmann MF3 Roadster 3.2: fit the same technology as the original or better (conventional → EFB → AGM), with equal or higher capacity and cold cranking amps, and respect the size and terminal position of around 70 Ah.

🔧 Battery Expert Advisor

Battery analysis for your Wiesmann MF3 Roadster 3.2

Quick answer You need an EFB battery of 70 Ah. Our recommendation: VARTA N70.

VARTAN70

EFB70 Ah760 A278×175×190

€124.98

Buy

Prices and availability updated on 28/10/2026

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

📋 What we found

For your Wiesmann MF3 Roadster 3.2 we found 4 compatible Start-Stop batteries.

⚡ Battery type for your vehicle

Your Wiesmann MF3 Roadster 3.2 has no Start-Stop, but the manufacturer fits an AGM or EFB battery as standard because the charging system requires it. Choose one with the same technology.

🔋 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 Wiesmann MF3 Roadster 3.2 we recommend the VARTA N70 (EFB, 70 Ah). It's the battery recommended by the vehicle manufacturer for your Wiesmann MF3 Roadster 3.2 — 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.

Rated 4.3/5 by 20 verified customers.
Get it on Friday before 5 PM — your product ships tomorrow.

See this battery →

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Verified selection

Class: Car Batteries
Brand: Wiesmann
Model: MF3 Roadster
Engine: 3.2

Order now with express shipping: your product ships tomorrow and arrives on Friday before 5 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

This engine comes with an AGM/EFB battery as standard: the car's charging system requires it even without Start-Stop. If in doubt, message us and we will confirm.

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
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	VARTA	A7	70 Ah	760 A	278×175×190 mm	AGM	€134.95	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 Wiesmann MF3 Roadster 3.2 (343 hp, petrol, from 2003): a 70 Ah, 760 A EFB battery (278 × 175 × 190 mm), with the positive terminal on the right. Without Start-Stop a conventional battery is enough; an EFB or AGM of the same size is an optional upgrade. Compatible batteries offer 70 Ah, 760 A (CCA), 12 V, case H6/L3, conventional flooded technology. Browse the compatible battery list below.
: If your Wiesmann Mf3 Roadster 3.2 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 has no Start-Stop. According to the manufacturer, it does not need to be registered after the change.

Batteries for Wiesmann MF3 Roadster 3.2 343 hp (petrol, from 2003)

Which battery does a Wiesmann MF3 Roadster 3.2 need?