MERCEDES BENZ E-Klasse and predecessors Vacuum leak repair Cost
2002–2006 · Engine, Fuel & Emissions system
Typical range
$175–$315
Parts + labour
Labour hours
0.5–3h
At a typical garage
Vacuum leaks allow unmetered air into the intake manifold, causing the ECU to run the engine lean; symptoms include rough idle, high idle speed and hesitation. Diesel and hybrid vehicles use a mechanical vacuum pump for brake servo assistance, which can also fail. MERCEDES BENZ E-Klasse and predecessors vacuum system repair costs $175–$315.
Warning signs you need this repair
- Rough or erratic idle, especially when cold
- High idle speed that does not settle
- Hissing sound from the engine bay at idle
- Brake pedal feels hard and requires excessive effort (vacuum pump failure)
- Lean mixture fault codes or MAF/MAP sensor codes alongside idle issues
What affects the price
- Location of the leak — some hoses are accessible, others require intake manifold removal
- Whether the vacuum pump vanes or seals have worn (common on diesel engines)
- Age and brittleness of vacuum hoses throughout the engine
Common questions
How much does vacuum leak repair cost on a MERCEDES BENZ E-Klasse and predecessors?
Vacuum leak repair on a MERCEDES BENZ E-Klasse and predecessors (2002–2006) typically costs between $175 and $315 including parts and labour at an independent garage.
What parts are needed for vacuum leak repair on a MERCEDES BENZ E-Klasse and predecessors?
Consult your mechanic for the specific parts required for your vehicle.
How long does vacuum leak repair take on a MERCEDES BENZ E-Klasse and predecessors?
Vacuum leak repair on a MERCEDES BENZ E-Klasse and predecessors typically takes 0.5–3 hours of labour at a garage.
How often does vacuum leak repair need to be done?
For a MERCEDES BENZ E-Klasse and predecessors, vacuum leak repair is typically needed as needed; vacuum hoses degrade after 10+ years; pump failure is less predictable.
Other engine, fuel & emissions system repairs on the MERCEDES BENZ E-Klasse and predecessors
- ABS hydraulic unit replacement$425–$765
- ABS sensor replacement$175–$315
- ABS system bleeding$140–$252
- AC compressor clutch replacement$350–$630
- AC compressor replacement$375–$675
Vacuum leak repair cost on similar cars
- BMW 5 Series Sedan$193–$347
- AUDI A6 Avant$175–$315
- VOLVO S80$193–$347
- SAAB 9-5$175–$315
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