Skip the auto shop - Our mechanics make house calls

Q: Broken gas gauge

asked by on

The gas gauge is not working.

A: Mercedes has discovered a problem that will...

Mercedes has discovered a problem that will cause the gas gauge to be inoperative. Other symptoms include an inoperative remote for central locking, and “turn signals inoperative” message. The fix is to reprogram the rear SAM module. Only the dealer can do this.

The reference number is: LI54.21-P-049893 Date of issue: 6-3-2011

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Bank 1 and Bank 2 running lean

If lean faults occur after the manifold was removed and reinstalled, this indicates a vacuum leak which also means that unmetered air is coming into the intake. Either a vacuum line or induction pipe is loose, or the manifold is...

Q: I went through a car wash with my diesel fuel cap open. I had just filled up. What do I do

Hello. If you are afraid that water or moisture has possibly found its way into your fuel tank, then I would consider draining and refilling the tank. Your vehicle should be equipped with a fuel filter that can catch some...

Q: Vehicle won't start

There may be a main power circuit down on your car. The steering lock is electrically disengaged on your car as is the shift lock. One of the B positive terminals on your ignition switch is probably dead. There are...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...