Mercedes-Benz 2003 CLK 320 Operator's Manual

Mercedes-Benz 2003 CLK 320 Operator's Manual

Clk-class coupe
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Questions and answers

bennie blaylock
April 20, 2025

wires were burnt on both headlights so I ordered new headlights but can't get them to work,checked all fuses none are blowed.

1 comments:
Mr. Anderson
May 10, 2025

If the new headlights for a 2003 Mercedes-Benz CLK 320 are not working after replacing burnt wires, possible issues could include:

- The lights were not switched off during replacement, causing a short circuit.
- Incorrect bulb type or watt rating was used.
- The bulbs were handled with oily or wet hands, damaging them.
- The bulbs were not properly installed in the socket.
- There may still be unresolved electrical damage beyond the burnt wires.

If the new bulb does not light up, it is recommended to visit an authorized Mercedes-Benz Center.

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bennie blaylock
April 20, 2025

I have trouble with headlights no power

1 comments:
Mr. Anderson
May 10, 2025

Possible causes of no power to the headlights on a 2003 Mercedes-Benz CLK 320 include:

1. Faulty headlight assemblies: Both new and old assemblies do not work, suggesting the issue is not the assemblies themselves.
2. Blown fuse: Although the fuse was checked and appeared fine, it may still be faulty or there may be another related fuse.
3. Electrical system issue: Previous signs such as dimming headlights while idling and complete electrical failure suggest a deeper electrical problem.
4. Faulty headlight switch or relay: The switch or headlight relay may be malfunctioning.
5. Battery or alternator issues: Even with a new battery, a weak alternator or poor connections could cause power loss to headlights.

Further diagnosis with basic electrical tools is recommended to check voltage at the headlight connectors and relays.

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Shelby Fleming
March 15, 2025

Why is my Mercedes Benz?C?L.K320 able to be cranked and idle.But when I go to put it in drive and try to press the gas.It wants to dial me and whenever I try to drive on hills going up hill.It literally dies on me too?

1 comments:
Mr. Anderson
March 15, 2025

A 2003 Mercedes-Benz CLK 320 that cranks and idles but dies when trying to drive, especially on hills, could have one or more of the following issues:

1. Fuel Delivery Problems – A failing fuel pump, clogged fuel filter, or faulty fuel pressure regulator could prevent adequate fuel supply when under load.
2. Air Intake Issues – A dirty or failing mass airflow sensor (MAF) could cause incorrect air-fuel mixture, leading to stalling under acceleration.
3. Throttle Body Malfunction – A dirty or faulty throttle body or throttle position sensor (TPS) could affect engine response, especially when demanding more power.
4. Vacuum Leaks – Leaks in vacuum hoses can cause an improper air-fuel mixture, leading to stalling under load.
5. Ignition System Failure – Weak spark from failing ignition coils, spark plugs, or crankshaft position sensor could cause the engine to die under load.
6. Transmission Issues – If the transmission is slipping or not engaging properly, it could cause the engine to stall when power is needed, especially on hills.

Diagnosing the exact cause would require checking fuel pressure, scanning for error codes, and inspecting key components.

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