Jump-starting
If your vehicle's battery is discharged, the engine can be jump-started from another vehicle or from an external battery using jump leads.
Observe the following points:
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Jump-starting must only be performed when the engine and catalytic converter are cold.
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Do not start the engine if the battery has frozen. Thaw the battery out first.
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Jump-starting may only be performed from 12V batteries.
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Only use jump leads which are protected against polarity reversal and which have a sufficient cross-section and insulated terminal clamps.
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Jump leads which are protected against polarity reversal and further information about jump-starting can be obtained from any Mercedes-Benz Service Centre.
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Avoid repeated and lengthy starting attempts.
Never start the vehicle using a rapid battery charger.
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 | Risk of injury |
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There is a risk of acid burns when jump-starting a vehicle due to the gases which escape from the battery. Do not lean over the battery while the engine is being jump-started.
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| Risk of explosion |
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Gases escaping from the battery during jump-starting may cause minor explosions. Avoid creating sparks. Keep naked flames away from the battery, and do not smoke.
Comply with safety precautions and take protective measures when handling batteries. You will find these under “Battery” in the index.
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Make sure that the two vehicles do not touch.
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Depress the parking brake.
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Move the selector lever to P.
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Switch off all electrical consumers.
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 | Positive terminal of your vehicle's battery |
 | Positive terminal of donor battery |
 | Negative terminal of donor battery |
 | Connection for suitable earth point on the vehicle |
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