First read and observe the introductoryinformation and safety warnings⇒
Introduction
In vehicles with a 12-volt vehicle battery in the luggage compartment, there is a jump lead
connection point (positive terminalyf ⇒ Fig. 216⊕ under a cover in the engine compartment for
connecting the red jump lead.
The vehicle can be jump-started or be used to jump-start another vehicle only via this jump lead
connection point.
Jump starting the vehicle
Fig. 217 Diagram for connecting the jump leads (12-volt vehicle battery in the engine
compartmentyf .
Fig. 218 Diagram showing how to connect jump leads on the vehicle providing the jump start (12-
volt battery in luggage compartmentyf .
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Key for ⇒ Fig. 217 and ⇒ Fig. 218:
Vehicle with discharged 12-volt vehicle battery that is being jump-started.
Vehicle with 12-volt vehicle battery that is supplying power and jump-starting the other
vehicle.
Suitable earth connection: preferably the jump lead connection point (earth connectionyf D
solid metal part which is securely bolted onto the cylinder block, or the cylinder block itself.
The discharged 12-volt vehicle battery must be properly connected to the vehicle's electrical
system.
The vehicles must not touch. Otherwise electricity could flow as soon as the positive terminals are
connected.
Ensure that the battery clamps have good metal-to-metal contact with the battery terminals.
If the engine does not start immediately, switch off the starter after about 10 seconds and try again
after about a minute.
If the engine still does not start, seek expert assistance.
Connecting jump leads (vehicles with 12-volt battery in the engine
compartmentyf
The jump leads should only be connected in the order A – B – C – D⇒ Fig. 217.
The black jump lead should never be connected to the negative terminal (–yf R Q W K H Y R O W Y H K L F O H
battery. Connecting the lead to the negative terminal can cause incorrect condition evaluation of the
12-volt vehicle battery in the vehicle electronics.
•Switch off the ignition in both vehicles ⇒ Starting and stopping the engine.
•Open the cover on the 12-volt vehicle battery in the engine compartment, if a cover is installed
⇒ 12-volt vehicle battery.
•Connect one end of the red jump lead to the positive terminal (+yf R I W K H Y H K L F O H Z L W K W K H
discharged 12-volt vehicle battery ⇒ Fig. 217①⇒.
