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Hints, Practical hints, What to do if – Mercedes-Benz R-Class 2010 Owners Manual User Manual

Page 307

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Vehicle

Problem

Possible causes/consequences and

X Solutions

The yellow fuel tank
reserve warning lamp in
the fuel gauge comes
on while driving.

The fuel level has gone below the reserve mark.

X

Refuel at the next gas station.

Engine

Problem

Possible causes/consequences and

X Solutions

! (USA only)
; (Canada only)
The yellow engine
malfunction indicator
lamp comes on when
the engine is running.

There may be a malfunction in

R

the fuel management system

R

the ignition system

R

the emission control system

R

systems which affect emissions

Such malfunctions may result in excessive emissions values and
may switch the engine to limp-home (emergency operation) mode.

X

Have the vehicle checked as soon as possible at an authorized
Mercedes-Benz Center.

i

Some states may by law require you to visit a workshop as

soon as the engine malfunction indicator lamp comes on. Check
local requirements.

! (USA only)
; (Canada only)
The yellow engine
malfunction indicator
lamp comes on when
the engine is running.

A loss of pressure has been detected in the fuel system. The fuel
cap may not be closed properly or the fuel system may be leaky.

X

Check the fuel cap (

Y

page 220).

X

If it is not closed properly: Close the fuel cap.

X

If it is closed properly: Have the fuel system checked by an

authorized Mercedes-Benz Center.

Diesel engine: Your fuel tank was driven empty.

X

After refueling, start, turn off and restart the engine three or four
times in succession.
The limp-home mode is canceled. You do not need to have your
vehicle checked.

What to do if …

305

Practical hints

251_AKB; 4; 52, en-US
d2ureepe,

Version: 2.11.8.1

2009-03-23T09:22:52+01:00 - Seite 305

Z

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