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Driving and the environment
- Never tow the vehicle to start it, use jump leads if necessary
WARNING (continued)
⇒ page 271.
your vehicle has automatic transmission). This makes use of engine
braking and relieves the brakes.
If you notice misfiring, uneven running or loss of power when the vehicle is
• Never let the brakes “slip” by applying light pressure. Continuous
moving, reduce speed immediately and have the vehicle inspected at the
braking will cause the brakes to overheat and the braking distance will
nearest qualified workshop. In general, the exhaust warning lamp will light
increase. Apply and then release the brakes alternately.
up when any of the described symptoms occur ⇒ page 66. If this happens,
• Never let the vehicle run with the engine switched off. The braking
unburnt fuel can enter the exhaust system and escape into the environment.
distance is increased considerably when the brake servo is not active.
The catalytic converter can also be damaged by overheating.
• Very heavy use of the brakes may cause a vapour lock if the brake fluid
is left in the system for too long. This impairs the braking effect.
WARNING
• Non-standard or damaged front spoilers could restrict the airflow to the
The catalytic converter reaches very high temperatures! Fire hazard!
brakes and cause them to overheat. Observe the relevant instructions
before purchasing accessories ⇒ page 206, “Technical modifications”.
• Never park where the catalytic converter could come into contact with
dry grass or inflammable materials under the vehicle.
• If a brake circuit fails, the braking distance will be increased consider-
ably. Contact a qualified workshop immediately and avoid unnecessary
• Do not apply additional underseal or anti-corrosion coatings to the
journeys.
exhaust pipes, catalytic converter or the heat shields on the exhaust
system. These materials could catch fire when the vehicle is being driven.
Caution
Exhaust gas purification system
Never fully drain the fuel tank because the irregularity of the fuel supply may
cause ignition problems. This allows unburnt fuel to enter the exhaust
Catalytic converter*
system, which could cause overheating and damage the catalytic converter.
To conserve the useful life of the catalytic converter
For the sake of the environment
- Always use unleaded petrol.
Even when the emission control system is working perfectly, there may be a
smell of sulphur from the exhaust under some conditions. This depends on
- Do not let the fuel get too low in the tank.
the sulphur content of the fuel used. Quite often the problem can be solved
by changing to another fuel brand.
- For engine oil changes, do not replenish with too much engine oil
⇒ page 215.
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